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Aluminum Intake and Sucking Oil [message #110864] Wed, 05 January 2011 00:52 Go to next message
George Beckman is currently offline  George Beckman   United States
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Just put on a Rockwell aluminum intake

In 600 miles I used 8 quarts of oil. I normally use about one in a thousand. I pulled plugs and 6 is black with oil and 8 doesn't look too healthy. Oil shows no sign of water, but will get changed anyway.

When we installed we sighted down the ports with a mirror and flashlight. Looked pretty good to us. The leaking side was "soft" when torquing; in other words it took more swings to bring to torque at each of the torque levels. The other side moved quickly. We went to 45 lbs. No blockoff plates as the manifold is blocked. I have no engine history so cannot answer questions about milling of heads but I doubt there was any fancy work. It is pretty plain.

If air and oil can be sucked in by just a few lbs of vacuum, I am thinking that the exhaust crossover port could easily blow out the gasket into the valley.

Question:

Do I put in block-off plates or not? I know I could have the heads welded, get aluminum heads, etc... not going to happen. Please give me your techniques for putting on the Rockwell aluminum intake.

Thanks in advance


'74 Eleganza, SE, Howell + EBL
Best Wishes,
George
Re: Aluminum Intake and Sucking Oil [message #110879 is a reply to message #110864] Wed, 05 January 2011 07:07 Go to previous messageGo to next message
Hardie Johnson is currently offline  Hardie Johnson   United States
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Location: Raleigh NC
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Did you read the recent thread about the proper way to check oil level?

Hardie Johnson "Crashj"
1973 26 foot Glacier, White Thing
Raleigh NC
Re: Aluminum Intake and Sucking Oil [message #110883 is a reply to message #110864] Wed, 05 January 2011 07:27 Go to previous messageGo to next message
Surbo is currently offline  Surbo   United States
Messages: 213
Registered: February 2004
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Senior Member
George Beckman wrote on Wed, 05 January 2011 00:52

Just put on a Rockwell aluminum intake

In 600 miles I used 8 quarts of oil. I normally use about one in a thousand. I pulled plugs and 6 is black with oil and 8 doesn't look too healthy. Oil shows no sign of water, but will get changed anyway.

When we installed we sighted down the ports with a mirror and flashlight. Looked pretty good to us. The leaking side was "soft" when torquing; in other words it took more swings to bring to torque at each of the torque levels. The other side moved quickly. We went to 45 lbs. No blockoff plates as the manifold is blocked. I have no engine history so cannot answer questions about milling of heads but I doubt there was any fancy work. It is pretty plain.

If air and oil can be sucked in by just a few lbs of vacuum, I am thinking that the exhaust crossover port could easily blow out the gasket into the valley.

Question:

Do I put in block-off plates or not? I know I could have the heads welded, get aluminum heads, etc... not going to happen. Please give me your techniques for putting on the Rockwell aluminum intake.

Thanks in advance


George;
The exhaust port in the head will still be huffing up against the composition intake manifold gasket and will have the potential to burn through in time. I would cut out a section of the gasket and install a SS plate, enough to cover the exhaust port of the head, to protect the gasket.

By your description of #6 & 8 plug, it sounds like the right side is the one leaking oil into the intake runners. You can measure the intake height from the rocker cover surface, or note there is a tell-tale machining line on the head that can give you some clue as to how the intake is setting in the "V" of the engine. I had the same problem, only my problem was on the left side, the intake did not cover the intake ports and sucked oil out of the valley into the intake runners on the left side. I may have some pic's of this, will seach and see.

Bob Drewes in SESD
Re: Aluminum Intake and Sucking Oil [message #110888 is a reply to message #110864] Wed, 05 January 2011 07:41 Go to previous messageGo to next message
bobby5832708 is currently offline  bobby5832708   United States
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Registered: November 2006
Location: Winter Springs FL
Karma: 3
Senior Member
George,

I've had my Rockwell manifold installed for a couple of years now and it's working fine. My engine is original so the head measurements are the same as GM made them, no surfaces have been milled down.

When installing the manifold I used Mr Gasket 404 gaskets and ran a bead of gray Permatex gasket goo over everything. I finger-tightened the bolts and waited until the next day before using the torque wrench, where I tightened in 3 steps (my usual procedure when I'm not in a hurry). I haven't touched it since. So far no leaks of oil, water, exhaust, or vacuum.

I had the spark plugs out this past summer to do a compression check and all were fine. My only unanswered question is how long until exhaust gas starts leaking from the area where the crossover was as I didn't use any stainless plugs or shields. I guess I will find out!



Bob Heller
2017 Winnebago 29VE
Winter Springs FL
Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110891 is a reply to message #110864] Wed, 05 January 2011 07:45 Go to previous messageGo to next message
Steven Ferguson is currently offline  Steven Ferguson   United States
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Registered: May 2006
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Senior Member
George,
Are you using a turkey tray or aftermarket composition gaskets between the
heads and intake?

On Tue, Jan 4, 2011 at 11:52 PM, George Beckman <gbeckman@pggp.com> wrote:

>
>
> Just put on a Rockwell aluminum intake
>
> In 600 miles I used 8 quarts of oil. I normally use about one in a
> thousand. I pulled plugs and 6 is black with oil and 8 doesn't look too
> healthy. Oil shows no sign of water, but will get changed anyway.
>
> When we installed we sighted down the ports with a mirror and flashlight.
> Looked pretty good to us. The leaking side was "soft" when torquing; in
> other words it took more swings to bring to torque at each of the torque
> levels. The other side moved quickly. We went to 45 lbs. No blockoff
> plates as the manifold is blocked. I have no engine history so cannot
> answer questions about milling of heads but I doubt there was any fancy
> work. It is pretty plain.
>
> If air and oil can be sucked in by just a few lbs of vacuum, I am thinking
> that the exhaust crossover port could easily blow out the gasket into the
> valley.
>
> Question:
>
> Do I put in block-off plates or not? I know I could have the heads welded,
> get aluminum heads, etc... not going to happen. Please give me your
> techniques for putting on the Rockwell aluminum intake.
>
> Thanks in advance
> --
> '74 Eleganza, SE, Howell + EBL
> Best Wishes,
> George
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>



--
Steve Ferguson
Sierra Vista, AZ
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Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110892 is a reply to message #110891] Wed, 05 January 2011 07:48 Go to previous messageGo to next message
Sandra Price is currently offline  Sandra Price   United States
Messages: 709
Registered: May 2006
Karma: 1
Senior Member
We had the same problem on a fresh rebuilt engine. We installed intake
gaskets from Mondello and cured the problem.

Bob Price

On Wed, Jan 5, 2011 at 7:45 AM, Steven Ferguson <botiemad11@gmail.com>wrote:

> George,
> Are you using a turkey tray or aftermarket composition gaskets between the
> heads and intake?
>
> On Tue, Jan 4, 2011 at 11:52 PM, George Beckman <gbeckman@pggp.com> wrote:
>
> >
> >
> > Just put on a Rockwell aluminum intake
> >
> > In 600 miles I used 8 quarts of oil. I normally use about one in a
> > thousand. I pulled plugs and 6 is black with oil and 8 doesn't look too
> > healthy. Oil shows no sign of water, but will get changed anyway.
> >
> > When we installed we sighted down the ports with a mirror and flashlight.
> > Looked pretty good to us. The leaking side was "soft" when torquing; in
> > other words it took more swings to bring to torque at each of the torque
> > levels. The other side moved quickly. We went to 45 lbs. No blockoff
> > plates as the manifold is blocked. I have no engine history so cannot
> > answer questions about milling of heads but I doubt there was any fancy
> > work. It is pretty plain.
> >
> > If air and oil can be sucked in by just a few lbs of vacuum, I am
> thinking
> > that the exhaust crossover port could easily blow out the gasket into the
> > valley.
> >
> > Question:
> >
> > Do I put in block-off plates or not? I know I could have the heads
> welded,
> > get aluminum heads, etc... not going to happen. Please give me your
> > techniques for putting on the Rockwell aluminum intake.
> >
> > Thanks in advance
> > --
> > '74 Eleganza, SE, Howell + EBL
> > Best Wishes,
> > George
> > _______________________________________________
> > GMCnet mailing list
> > List Information and Subscription Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> >
>
>
>
> --
> Steve Ferguson
> Sierra Vista, AZ
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>



--
IN GOD WE TRUST!

Sandra and Bob in the 52nd Year of our State of Marriage
“Life’s a Trip” in “The Roadhouse”
’73 Painted Desert
Huntsville, TX

Finally, all of you, live in harmony with one another, be sympathetic, love
as brothers, be compassionate and humble. Do not repay evil with evil or
insult with insult, but with blessing, because to this you were called so
that you may inherit a blessing. --1 Peter 3:8-9
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Re: Aluminum Intake and Sucking Oil [message #110893 is a reply to message #110883] Wed, 05 January 2011 07:59 Go to previous messageGo to next message
Surbo is currently offline  Surbo   United States
Messages: 213
Registered: February 2004
Karma: 0
Senior Member
Surbo wrote on Wed, 05 January 2011 07:27

George Beckman wrote on Wed, 05 January 2011 00:52

Just put on a Rockwell aluminum intake

In 600 miles I used 8 quarts of oil. I normally use about one in a thousand. I pulled plugs and 6 is black with oil and 8 doesn't look too healthy. Oil shows no sign of water, but will get changed anyway.

When we installed we sighted down the ports with a mirror and flashlight. Looked pretty good to us. The leaking side was "soft" when torquing; in other words it took more swings to bring to torque at each of the torque levels. The other side moved quickly. We went to 45 lbs. No blockoff plates as the manifold is blocked. I have no engine history so cannot answer questions about milling of heads but I doubt there was any fancy work. It is pretty plain.

If air and oil can be sucked in by just a few lbs of vacuum, I am thinking that the exhaust crossover port could easily blow out the gasket into the valley.

Question:

Do I put in block-off plates or not? I know I could have the heads welded, get aluminum heads, etc... not going to happen. Please give me your techniques for putting on the Rockwell aluminum intake.

Thanks in advance


George;
The exhaust port in the head will still be huffing up against the composition intake manifold gasket and will have the potential to burn through in time. I would cut out a section of the gasket and install a SS plate, enough to cover the exhaust port of the head, to protect the gasket.

By your description of #6 & 8 plug, it sounds like the right side is the one leaking oil into the intake runners. You can measure the intake height from the rocker cover surface, or note there is a tell-tale machining line on the head that can give you some clue as to how the intake is setting in the "V" of the engine. I had the same problem, only my problem was on the left side, the intake did not cover the intake ports and sucked oil out of the valley into the intake runners on the left side. I may have some pic's of this, will seach and see.

Bob Drewes in SESD



George;
Here are a couple of pic's of what I did. Notice on the pic of the head, it shows the machining line for the intake manifold. Before you remove the intake, take a good look at how the intake sets in the valley, is one side higher than the other?


http://tinyurl.com/39ec24j

http://tinyurl.com/36wzux6

Bob Drewes in SESD
Re: Aluminum Intake and Sucking Oil [message #110894 is a reply to message #110883] Wed, 05 January 2011 08:04 Go to previous messageGo to next message
fred v is currently offline  fred v   United States
Messages: 999
Registered: April 2006
Location: pensacola, fl.
Karma: 0
Senior Member
[quote

George;
The exhaust port in the head will still be huffing up against the composition intake manifold gasket and will have the potential to burn through in time. I would cut out a section of the gasket and install a SS plate, enough to cover the exhaust port of the head, to protect the gasket.

Bob Drewes in SESD
[/quote]


don't all Olds intake gaskets have the crossover hole already in them? the Rockwell manifold has the crossover in it as i recall. there was some discussion on those manifolds as to whether or not to block the crossover.


Fred V
'77 Royale RB 455
P'cola, Fl
Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110897 is a reply to message #110894] Wed, 05 January 2011 08:16 Go to previous messageGo to next message
Richard Denney is currently offline  Richard Denney   United States
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Registered: April 2010
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Senior Member
On Wed, Jan 5, 2011 at 9:04 AM, fred veenschoten <fredntoni@cox.net> wrote:

> don't all Olds intake gaskets have the crossover hole already in them? the
> Rockwell manifold has the crossover in it as i recall. there was some
> discussion on those manifolds as to whether or not to block the crossover.
>
>
The port for the crossover has rounded corners, but the usual block-off
plate is square and oversized. That's why cutting is required--the plate has
to be bigger than the hole to keep from falling in.

Or, you can buy gaskets made by Dick Paterson, which already have steel
block-off plates fitted to openings in the gasket.

On the subject of sucking oil, the RPM manifolds (and any other after-market
manifold) may have port alignment issues on engines that have been machined
from stock. As with any replacement manifold, you must check port alignment.
I did so by scribing marks at the ends of the manifold and head that aligned
with the top and bottom edges of the ports, to make sure they lined up. They
did not on the first-batch manifold I tried, but that machining problem was
corrected in later batches. I didn't check it on that first one and the
result was sucking five quarts of oil through cylinder 8 in about 200 miles.
Fortunately, the oil fouled the plug, keeping it from firing in that
who-knows-what mixture. But the oil also soaked and then burned the exhaust
manifold gasket, which had to be replaced along with the plug.

Rick "also check that the bolt washers are able to seat in the machined
flats on the manifold" Denney

--
'73 230 "Jaws"
Northern Virginia
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Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110898 is a reply to message #110897] Wed, 05 January 2011 08:22 Go to previous messageGo to next message
Sandra Price is currently offline  Sandra Price   United States
Messages: 709
Registered: May 2006
Karma: 1
Senior Member
We had the same problem on a fresh rebuilt engine. I don't know whether the
heads or the block were cut before I built the engine. We replaced the
intake gaskets with Mondello gaskets and that cured the problem.

Just finished installing the second rebuild of the same engine and fired it
up yesterday. Runs good. Got some tweaking to do. Good luc with yours.

Bob Price

On Wed, Jan 5, 2011 at 8:16 AM, Richard Denney <rwdenney@gmail.com> wrote:

> On Wed, Jan 5, 2011 at 9:04 AM, fred veenschoten <fredntoni@cox.net>
> wrote:
>
> > don't all Olds intake gaskets have the crossover hole already in them?
> the
> > Rockwell manifold has the crossover in it as i recall. there was some
> > discussion on those manifolds as to whether or not to block the
> crossover.
> >
> >
> The port for the crossover has rounded corners, but the usual block-off
> plate is square and oversized. That's why cutting is required--the plate
> has
> to be bigger than the hole to keep from falling in.
>
> Or, you can buy gaskets made by Dick Paterson, which already have steel
> block-off plates fitted to openings in the gasket.
>
> On the subject of sucking oil, the RPM manifolds (and any other
> after-market
> manifold) may have port alignment issues on engines that have been machined
> from stock. As with any replacement manifold, you must check port
> alignment.
> I did so by scribing marks at the ends of the manifold and head that
> aligned
> with the top and bottom edges of the ports, to make sure they lined up.
> They
> did not on the first-batch manifold I tried, but that machining problem was
> corrected in later batches. I didn't check it on that first one and the
> result was sucking five quarts of oil through cylinder 8 in about 200
> miles.
> Fortunately, the oil fouled the plug, keeping it from firing in that
> who-knows-what mixture. But the oil also soaked and then burned the exhaust
> manifold gasket, which had to be replaced along with the plug.
>
> Rick "also check that the bolt washers are able to seat in the machined
> flats on the manifold" Denney
>
> --
> '73 230 "Jaws"
> Northern Virginia
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>



--
IN GOD WE TRUST!

Sandra and Bob in the 52nd Year of our State of Marriage
“Life’s a Trip” in “The Roadhouse”
’73 Painted Desert
Huntsville, TX

Finally, all of you, live in harmony with one another, be sympathetic, love
as brothers, be compassionate and humble. Do not repay evil with evil or
insult with insult, but with blessing, because to this you were called so
that you may inherit a blessing. --1 Peter 3:8-9
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Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110900 is a reply to message #110894] Wed, 05 January 2011 08:30 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
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Registered: July 2007
Location: Sydney, Australia
Karma: 6
Senior Member
Fred,

All the gaskets I have seen for the Olds 455 manifold have a crossover hole
in them.

The Rockwell manifold DOES NOT have the crossover.

Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426


-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of fred veenschoten
Sent: Thursday, January 06, 2011 1:04 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Aluminum Intake and Sucking Oil

don't all Olds intake gaskets have the crossover hole already in them? the
Rockwell manifold has the crossover in it as i recall. there was some
discussion on those manifolds as to whether or not to block the crossover.

--
Fred V
'77 Royale RB 455
P'cola, Fl
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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426
Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110905 is a reply to message #110900] Wed, 05 January 2011 09:14 Go to previous messageGo to next message
Dennis S is currently offline  Dennis S   United States
Messages: 3046
Registered: November 2005
Karma: 2
Senior Member

Rob,

A lot of Olds 455 intake manifold gaskets come without the crossover hole -- In fact when I installed the crossover block off plates I used the thicker gasket (Mr Gasket 404 I believe) and DID NOT cut out for the stainless steel plate. I did file down the edges on one side of the plates to a knife edge.

Dennis







Dennis Sexton
73 GMC 230
Germantown, TN
USA



-----Original Message-----
From: Rob Mueller <robmueller@iinet.net.au>
To: gmclist@temp.gmcnet.org
Sent: Wed, Jan 5, 2011 8:30 am
Subject: Re: [GMCnet] Aluminum Intake and Sucking Oil


Fred,
All the gaskets I have seen for the Olds 455 manifold have a crossover hole
n them.
The Rockwell manifold DOES NOT have the crossover.
Regards,
ob M.
SAussie - Downunder
US '75 Avion - The Blue Streak TZE365V100428
SA '75 Avion - Double Trouble TZE365V100426

----Original Message-----
rom: gmclist-bounces@temp.gmcnet.org
mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of fred veenschoten
ent: Thursday, January 06, 2011 1:04 AM
o: gmclist@temp.gmcnet.org
ubject: Re: [GMCnet] Aluminum Intake and Sucking Oil
don't all Olds intake gaskets have the crossover hole already in them? the
ockwell manifold has the crossover in it as i recall. there was some
iscussion on those manifolds as to whether or not to block the crossover.
--
red V
77 Royale RB 455
'cola, Fl
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Dennis S
73 Painted Desert 230
Memphis TN Metro
Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110906 is a reply to message #110891] Wed, 05 January 2011 09:21 Go to previous messageGo to next message
George Beckman is currently offline  George Beckman   United States
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Location: Colfax, CA
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Senior Member
Steven Ferguson wrote on Wed, 05 January 2011 05:45

George,
Are you using a turkey tray or aftermarket composition gaskets between the
heads and intake?




I used 404 from Mr. Gasket.


'74 Eleganza, SE, Howell + EBL
Best Wishes,
George
Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110911 is a reply to message #110905] Wed, 05 January 2011 09:43 Go to previous messageGo to next message
George Beckman is currently offline  George Beckman   United States
Messages: 1085
Registered: October 2008
Location: Colfax, CA
Karma: 11
Senior Member
Dennis S wrote on Wed, 05 January 2011 07:14


Rob,

A lot of Olds 455 intake manifold gaskets come without the crossover hole -- In fact when I installed the crossover block off plates I used the thicker gasket (Mr Gasket 404 I believe) and DID NOT cut out for the stainless steel plate. I did file down the edges on one side of the plates to a knife edge.

Dennis





Thanks to all who have written so far. I will try to clear up several of the questions asked.

The Mr. Gasket 404 was solid at the crossover ports.

The manifold seemed to be sitting evenly, height wise on each side in relation to the line near the top of the head.

We were very careful during placement and torquing. We did 15, 30, wait two hours, and 45. Red RTV mushed out beautifully. I was very pleased. Not a messy gob, but a nice fat bulge.


All washers seated fine.

I am going to look at a Felpro 1560 (I believe is the number) gasket. Someone makes a gasket that is .025 thicker than Mr. Gasket.

I believe my dip stick is correct... in relation to oil changes. Of course when you find you have burned 4 quarts in a 180 mile trip that usually uses almost no oil, you don't find much on the stick at all. I have a real oil gauge, luckily and saw it flicker to zero and then back up when I braked for a traffic light. That makes you heart sink. Oil pressure jumping up and down and in Pasadena traffic with no place to pull aside... waiting four and five minutes at each light. Needless to say, I eased up to every light until I could pull off and dump in some oil.

I normally like to check oil in the morning before the first start. Believe me, I will be checking every 50 miles until convinced I have a good seal. I don't want to loose an engine over a cracked intake manifold.



'74 Eleganza, SE, Howell + EBL
Best Wishes,
George
Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110920 is a reply to message #110911] Wed, 05 January 2011 12:10 Go to previous messageGo to next message
Arthur Mansfield is currently offline  Arthur Mansfield   United States
Messages: 290
Registered: April 2010
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Senior Member
I also have AL manifold and have had problem with oil leaking from the manifold. My leaked from front and back where the rubber seals are. There is a hole in the front and rear and the holes allowed oil to leak. I fixed this by using RTV one the black seals. I have not had any problem with oil leaking into the heads. I just replacing the left head and used standard gaskets purchased from Advanced Auto. I have not started it yet. I still have to install AC Compressor (Great Fun). It has been put on whole by the arrival of a new grand baby.

How is your vacuum. If it is low then you have a probably have a leak through to the heads which could cause lost of oil into the head. If the vacuum is the same as it always has been then I doubt if that is your cause of lose of oil.

Art & Doris
EL 76

On Jan 5, 2011, at 9:43 AM, George Beckman wrote:

>
>
> Dennis S wrote on Wed, 05 January 2011 07:14
>> Rob,
>>
>> A lot of Olds 455 intake manifold gaskets come without the crossover hole -- In fact when I installed the crossover block off plates I used the thicker gasket (Mr Gasket 404 I believe) and DID NOT cut out for the stainless steel plate. I did file down the edges on one side of the plates to a knife edge.
>>
>> Dennis
>
>
> Thanks to all who have written so far. I will try to clear up several of the questions asked.
>
> The Mr. Gasket 404 was solid at the crossover ports.
>
> The manifold seemed to be sitting evenly, height wise on each side in relation to the line near the top of the head.
>
> We were very careful during placement and torquing. We did 15, 30, wait two hours, and 45. Red RTV mushed out beautifully. I was very pleased. Not a messy gob, but a nice fat bulge.
>
>
> All washers seated fine.
>
> I am going to look at a Felpro 1560 (I believe is the number) gasket. Someone makes a gasket that is .025 thicker than Mr. Gasket.
>
> I believe my dip stick is correct... in relation to oil changes. Of course when you find you have burned 4 quarts in a 180 mile trip that usually uses almost no oil, you don't find much on the stick at all. I have a real oil gauge, luckily and saw it flicker to zero and then back up when I braked for a traffic light. That makes you heart sink. Oil pressure jumping up and down and in Pasadena traffic with no place to pull aside... waiting four and five minutes at each light. Needless to say, I eased up to every light until I could pull off and dump in some oil.
>
> I normally like to check oil in the morning before the first start. Believe me, I will be checking every 50 miles until convinced I have a good seal. I don't want to loose an engine over a cracked intake manifold.
>
>
> --
> '74 Eleganza, SE, Howell + EBL
> Best Wishes,
> George
> _______________________________________________
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Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110930 is a reply to message #110906] Wed, 05 January 2011 14:05 Go to previous messageGo to next message
Steven Ferguson is currently offline  Steven Ferguson   United States
Messages: 3447
Registered: May 2006
Karma: 0
Senior Member
In that case, I would consider pulling the intake and looking for the spot
that didn't seal. Has the motor been rebuilt?

On Wed, Jan 5, 2011 at 8:21 AM, George Beckman <gbeckman@pggp.com> wrote:

>
>
> Steven Ferguson wrote on Wed, 05 January 2011 05:45
> > George,
> > Are you using a turkey tray or aftermarket composition gaskets between
> the
> > heads and intake?
>
> I used 404 from Mr. Gasket.
> --
> '74 Eleganza, SE, Howell + EBL
> Best Wishes,
> George
> _______________________________________________
> GMCnet mailing list
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>



--
Steve Ferguson
Sierra Vista, AZ
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Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110949 is a reply to message #110905] Wed, 05 January 2011 18:15 Go to previous messageGo to next message
USAussie is currently offline  USAussie   United States
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
Senior Member
Dennis et al,

I stand corrected!

Here's a link to Summit Racing:

http://tinyurl.com/27rxfhr

http://www.summitracing.com/search/year/1976/make/OLDSMOBILE/model/TORONADO/
Department/Gaskets-Seals/Part-Type/Intake-Manifold-Gaskets/?Ns=Rank%7cAsc&RC
=100

Well this goes to show that on occasion I suffer from CRS!

Every bloody one of them has NO hole for the crossover!

I thought that maybe I confused them with Caddy 500 intake gaskets but nope,
the ones sold by SCE and MTS also have no holes for the crossover in the
Caddy!

Looks like the FACT of the matter is that the ONLY gasket with holes for the
crossover for either the Olds 455 or Caddy 500 is the OEM style turkey tray!

I stand corrected!

And in the corner with a pointy hat on for being a dunce and publishing
incorrect info! ;-)

Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426


-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Dennis S
Sent: Thursday, January 06, 2011 2:14 AM
To: gmclist@temp.gmcnet.org
Subject: Re: [GMCnet] Aluminum Intake and Sucking Oil


Rob,

A lot of Olds 455 intake manifold gaskets come without the crossover hole --
In fact when I installed the crossover block off plates I used the thicker
gasket (Mr Gasket 404 I believe) and DID NOT cut out for the stainless steel
plate. I did file down the edges on one side of the plates to a knife edge.

Dennis







Dennis Sexton
73 GMC 230
Germantown, TN
USA



-----Original Message-----
From: Rob Mueller <robmueller@iinet.net.au>
To: gmclist@temp.gmcnet.org
Sent: Wed, Jan 5, 2011 8:30 am
Subject: Re: [GMCnet] Aluminum Intake and Sucking Oil


Fred,
All the gaskets I have seen for the Olds 455 manifold have a crossover hole
n them.
The Rockwell manifold DOES NOT have the crossover.
Regards,
ob M.
SAussie - Downunder
US '75 Avion - The Blue Streak TZE365V100428
SA '75 Avion - Double Trouble TZE365V100426

----Original Message-----
rom: gmclist-bounces@temp.gmcnet.org
mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of fred veenschoten
ent: Thursday, January 06, 2011 1:04 AM
o: gmclist@temp.gmcnet.org
ubject: Re: [GMCnet] Aluminum Intake and Sucking Oil
don't all Olds intake gaskets have the crossover hole already in them? the
ockwell manifold has the crossover in it as i recall. there was some
iscussion on those manifolds as to whether or not to block the crossover.
--
red V
77 Royale RB 455
'cola, Fl
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ist Information and Subscription Options:
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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426
Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110954 is a reply to message #110949] Wed, 05 January 2011 18:43 Go to previous messageGo to next message
Gary Worobec is currently offline  Gary Worobec   United States
Messages: 867
Registered: May 2005
Karma: -1
Senior Member
Hi,
Since I am ready to put my Rockwell manifold on I called Mondello in Paso
Robles as they have 5 or 6 different intake manifold gaskets listed. They
suggested the
IG-505 specifically for the Rockwell manifold which is the gasket that Joe
Mondello shows in his new catalog that we got in Las Vegas.

http://www.mondellotwister.com/GasketsSealants.htm

The fellow also suggested a "narrow, snaky deal" which goes down in the
lifter valley to control oil flow. It was cheap so I bought it too.
Interesting to see what it is as they don't show it online.

SteveF suggested dimpling both the block and the manifold on the ends which
makes sense.

I'm going to use the stuff below instead of the rubber gaskets on the ends

Right Stuff Aerosol Instant Seal Gasket Maker- In place of rubber, cork,
paper, and felt gaskets, these gasket makers create seals that protect
against leaks caused by vibration, thermal expansion, and irregular
surfaces. Excellent resistance to oils and coolants. Fill spaces up to
0.25". Begin to harden in 5 minutes; reach full strength in 24 hours.
Temperature range is -75° to +450° F. Color is black

66175A41 Permatex Right Stuff Gasket Maker, 7.5-Ounce Aerosol Can

SteveF suggested this product if I recall.

Hopefully this will seal everything up.

Thanks

Gary and Joanne Worobec
1973 GMC Glacier
Anza, CA





----- Original Message -----
From: "Rob Mueller" <robmueller@iinet.net.au>
To: <gmclist@temp.gmcnet.org>
Sent: Wednesday, January 05, 2011 4:15 PM
Subject: Re: [GMCnet] Aluminum Intake and Sucking Oil


> Dennis et al,
>
> I stand corrected!
>
> Here's a link to Summit Racing:
>
> http://tinyurl.com/27rxfhr
>
> http://www.summitracing.com/search/year/1976/make/OLDSMOBILE/model/TORONADO/
> Department/Gaskets-Seals/Part-Type/Intake-Manifold-Gaskets/?Ns=Rank%7cAsc&RC
> =100
>
> Well this goes to show that on occasion I suffer from CRS!
>
> Every bloody one of them has NO hole for the crossover!
>
> I thought that maybe I confused them with Caddy 500 intake gaskets but
> nope,
> the ones sold by SCE and MTS also have no holes for the crossover in the
> Caddy!
>
> Looks like the FACT of the matter is that the ONLY gasket with holes for
> the
> crossover for either the Olds 455 or Caddy 500 is the OEM style turkey
> tray!
>
> I stand corrected!
>
> And in the corner with a pointy hat on for being a dunce and publishing
> incorrect info! ;-)
>
> Regards,
> Rob M.
> USAussie - Downunder
> AUS '75 Avion - The Blue Streak TZE365V100428
> USA '75 Avion - Double Trouble TZE365V100426
>
>
> -----Original Message-----
> From: gmclist-bounces@temp.gmcnet.org
> [mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of Dennis S
> Sent: Thursday, January 06, 2011 2:14 AM
> To: gmclist@temp.gmcnet.org
> Subject: Re: [GMCnet] Aluminum Intake and Sucking Oil
>
>
> Rob,
>
> A lot of Olds 455 intake manifold gaskets come without the crossover
> hole --
> In fact when I installed the crossover block off plates I used the thicker
> gasket (Mr Gasket 404 I believe) and DID NOT cut out for the stainless
> steel
> plate. I did file down the edges on one side of the plates to a knife
> edge.
>
> Dennis
>
>
>
>
>
>
>
> Dennis Sexton
> 73 GMC 230
> Germantown, TN
> USA
>
>
>
> -----Original Message-----
> From: Rob Mueller <robmueller@iinet.net.au>
> To: gmclist@temp.gmcnet.org
> Sent: Wed, Jan 5, 2011 8:30 am
> Subject: Re: [GMCnet] Aluminum Intake and Sucking Oil
>
>
> Fred,
> All the gaskets I have seen for the Olds 455 manifold have a crossover
> hole
> n them.
> The Rockwell manifold DOES NOT have the crossover.
> Regards,
> ob M.
> SAussie - Downunder
> US '75 Avion - The Blue Streak TZE365V100428
> SA '75 Avion - Double Trouble TZE365V100426
>
> ----Original Message-----
> rom: gmclist-bounces@temp.gmcnet.org
> mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of fred veenschoten
> ent: Thursday, January 06, 2011 1:04 AM
> o: gmclist@temp.gmcnet.org
> ubject: Re: [GMCnet] Aluminum Intake and Sucking Oil
> don't all Olds intake gaskets have the crossover hole already in them? the
> ockwell manifold has the crossover in it as i recall. there was some
> iscussion on those manifolds as to whether or not to block the crossover.
> --
> red V
> 77 Royale RB 455
> 'cola, Fl
> ______________________________________________
> MCnet mailing list
> ist Information and Subscription Options:
> ttp://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
> _______________________________________________
> MCnet mailing list
> ist Information and Subscription Options:
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>
> _______________________________________________
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> List Information and Subscription Options:
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>
> _______________________________________________
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Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110965 is a reply to message #110954] Wed, 05 January 2011 19:55 Go to previous messageGo to next message
Dennis S is currently offline  Dennis S   United States
Messages: 3046
Registered: November 2005
Karma: 2
Senior Member

Gary,
I wonder if the unidentified item you bought was the valley tray, VT-581, shown under gaskets.

http://www.mondellotwister.com/GasketsSealants.htm

It keeps the lifters from coming out when the pushrods fail...

I put one in too!


Dennis Sexton
73 GMC
Germantown, TN
USA



-----Original Message-----
From: Gary Worobec <gtw5@earthlink.net>
To: gmclist@temp.gmcnet.org
Sent: Wed, Jan 5, 2011 6:43 pm
Subject: Re: [GMCnet] Aluminum Intake and Sucking Oil


Hi,
ince I am ready to put my Rockwell manifold on I called Mondello in Paso
obles as they have 5 or 6 different intake manifold gaskets listed. They
uggested the
G-505 specifically for the Rockwell manifold which is the gasket that Joe
ondello shows in his new catalog that we got in Las Vegas.
http://www.mondellotwister.com/GasketsSealants.htm
The fellow also suggested a "narrow, snaky deal" which goes down in the
ifter valley to control oil flow. It was cheap so I bought it too.
nteresting to see what it is as they don't show it online.
SteveF suggested dimpling both the block and the manifold on the ends which
akes sense.
I'm going to use the stuff below instead of the rubber gaskets on the ends
Right Stuff Aerosol Instant Seal Gasket Maker- In place of rubber, cork,
aper, and felt gaskets, these gasket makers create seals that protect
gainst leaks caused by vibration, thermal expansion, and irregular
urfaces. Excellent resistance to oils and coolants. Fill spaces up to
.25". Begin to harden in 5 minutes; reach full strength in 24 hours.
emperature range is -75° to +450° F. Color is black
66175A41 Permatex Right Stuff Gasket Maker, 7.5-Ounce Aerosol Can
SteveF suggested this product if I recall.
Hopefully this will seal everything up.
Thanks
Gary and Joanne Worobec
973 GMC Glacier
nza, CA

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GMCnet mailing list
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Dennis S
73 Painted Desert 230
Memphis TN Metro
Re: [GMCnet] Aluminum Intake and Sucking Oil [message #110976 is a reply to message #110965] Wed, 05 January 2011 20:43 Go to previous messageGo to previous message
Gary Worobec is currently offline  Gary Worobec   United States
Messages: 867
Registered: May 2005
Karma: -1
Senior Member
No, I asked about that. That one does not fit a Toro.

Thanks

Gary and Joanne Worobec
1973 GMC Glacier
Anza, CA

----- Original Message -----
From: "Dennis S" <dennisfsexton@aol.com>
To: <gmclist@temp.gmcnet.org>
Sent: Wednesday, January 05, 2011 5:55 PM
Subject: Re: [GMCnet] Aluminum Intake and Sucking Oil


>
> Gary,
> I wonder if the unidentified item you bought was the valley tray, VT-581,
> shown under gaskets.
>
> http://www.mondellotwister.com/GasketsSealants.htm
>
> It keeps the lifters from coming out when the pushrods fail...
>
> I put one in too!
>
>
> Dennis Sexton
> 73 GMC
> Germantown, TN
> USA
>
>
>
> -----Original Message-----
> From: Gary Worobec <gtw5@earthlink.net>
> To: gmclist@temp.gmcnet.org
> Sent: Wed, Jan 5, 2011 6:43 pm
> Subject: Re: [GMCnet] Aluminum Intake and Sucking Oil
>
>
> Hi,
> ince I am ready to put my Rockwell manifold on I called Mondello in Paso
> obles as they have 5 or 6 different intake manifold gaskets listed. They
> uggested the
> G-505 specifically for the Rockwell manifold which is the gasket that Joe
> ondello shows in his new catalog that we got in Las Vegas.
> http://www.mondellotwister.com/GasketsSealants.htm
> The fellow also suggested a "narrow, snaky deal" which goes down in the
> ifter valley to control oil flow. It was cheap so I bought it too.
> nteresting to see what it is as they don't show it online.
> SteveF suggested dimpling both the block and the manifold on the ends
> which
> akes sense.
> I'm going to use the stuff below instead of the rubber gaskets on the ends
> Right Stuff Aerosol Instant Seal Gasket Maker- In place of rubber, cork,
> aper, and felt gaskets, these gasket makers create seals that protect
> gainst leaks caused by vibration, thermal expansion, and irregular
> urfaces. Excellent resistance to oils and coolants. Fill spaces up to
> .25". Begin to harden in 5 minutes; reach full strength in 24 hours.
> emperature range is -75° to +450° F. Color is black
> 66175A41 Permatex Right Stuff Gasket Maker, 7.5-Ounce Aerosol Can
> SteveF suggested this product if I recall.
> Hopefully this will seal everything up.
> Thanks
> Gary and Joanne Worobec
> 973 GMC Glacier
> nza, CA
>
> _______________________________________________
> GMCnet mailing list
> List Information and Subscription Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>

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