| Blowed up real good [message #169183] |
Thu, 10 May 2012 19:16  |
PettyVTX
Messages: 363
Registered: April 2011
Location: Winder Ga.
Karma: 1
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Senior Member |
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Well it happened to me. It hasnt happened since i was in my 20's But it can still happen no matter how good you think you take care of something.I was headed back from Gattlinburg and got 40 miles from home and heard something break first a clatter and then no oil pressure and locked up real quick. Deffinitly seiezed. I was planning on doing my frame this summer but now i have to do a engine. Im going to consider the Caddy Motor if i pull the 455 down and its totally trashed inside. So i may be needing Kens Motor mount diagram and will probably go that route seeing his close and up under it is a nice setup.How do Yall think the caddy motor will work with my switch pitch and 3.21 setup?
Ted
Ex Avion now looking for a 23'
Jeep Wrangler Towd
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| Re: [GMCnet] Blowed up real good [message #169194 is a reply to message #169183] |
Thu, 10 May 2012 19:40  |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Ted,
I responded your short out-of-thread note in confusion. Now I understand
you problem.
Despite my recent woes, I heartily endorse the Cadillac. It should be
great with the 3.21, but you'll probably never need the high stall in the
switch pitch.
On the other hand, whatever broke in the 455, I've probably got a
replacement.
My replacement's just about ready to go back in. I could have it ready for
my son's visit this weekend, but decided to do some other things while I
have it out so I'll have a week or two delay.
We need to talk. Call me when you have a chance 229 Nine Thirty-eight
Twenty-seven Ninety-seven
Ken H.
On Thu, May 10, 2012 at 8:16 PM, Ted Petty wrote:
>
>
> Well it happened to me. It hasnt happened since i was in my 20's But it
> can still happen no matter how good you think you take care of something.I
> was headed back from Gattlinburg and got 40 miles from home and heard
> something break first a clatter and then no oil pressure and locked up real
> quick. Deffinitly seiezed. I was planning on doing my frame this summer but
> now i have to do a engine. Im going to consider the Caddy Motor if i pull
> the 455 down and its totally trashed inside. So i may be needing Kens Motor
> mount diagram and will probably go that route seeing his close and up under
> it is a nice setup.How do Yall think the caddy motor will work with my
> switch pitch and 3.21 setup?
> Ted
> --
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Blowed up real good [message #169196 is a reply to message #169183] |
Thu, 10 May 2012 19:53 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Ted,
Sorry to hear of your bad luck. I don't see any disadvantage to installing a
Caddy with a switch pitch and a 3.21 FD.
There will be naysayers because of KenH's problems with the thrust bearing
but from what I've read here and other places written by people that KNOW
what they're talking about and not "talking" out an orifice much lower on
the body that the Caddy engine is just as good as the Olds engine. In fact
it has some features that one consider to make it better. Such as NO Siamese
exhaust ports, higher nickel content in the block, OEM low profile aluminum
manifold (rare but findable - I have), and others.
Having said that I will admit to being prejudiced as I have a Caddy 500,
switch pitch trans, and 3.21 FD that will go into The Blue Streak here in
Australia.
Regards,
Rob M.
-----Original Message-----
From: Ted Petty
Well it happened to me. It hasnt happened since i was in my 20's But it can
still happen no matter how good you think you take care of something.I was
headed back from Gattlinburg and got 40 miles from home and heard something
break first a clatter and then no oil pressure and locked up real quick.
Deffinitly seiezed. I was planning on doing my frame this summer but now i
have to do a engine. Im going to consider the Caddy Motor if i pull the 455
down and its totally trashed inside. So i may be needing Kens Motor mount
diagram and will probably go that route seeing his close and up under it is
a nice setup.How do Yall think the caddy motor will work with my switch
pitch and 3.21 setup?
Ted
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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
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| Re: Blowed up real good [message #169208 is a reply to message #169183] |
Thu, 10 May 2012 21:11 |
PettyVTX
Messages: 363
Registered: April 2011
Location: Winder Ga.
Karma: 1
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Senior Member |
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Ken
I will be calling and if you still need some help on installing yours back in let me know. Looks like im not going anywhere now.I will call you tommorow.
Rob you have the setup im looking to do when are you going to install yours and have you heard of any problems with the SP with the caddy before? Kens motor has spoiled me it was such a nice setup especially with the FI powder coated frame im just amazed the quality of work i seen on it and no using used bolts for his axles gotta be new which is the way to go for dependability.No way his thrust bearing problem is going to deter me. We are all learning from his experience with this motor and plenty of stuff from the past problems. I gotta tell ya that i really need the brake vacuum mod. After the motor locked at highway speeds im glad i was on flat land instead of just a few miles back humming thru the mountains. I had to stand on the brakes just to get it to stop on the shoulder if i was in one of those twisties on 441 i probably would have been down the mountain.
Ted
Ex Avion now looking for a 23'
Jeep Wrangler Towd
[Updated on: Thu, 10 May 2012 21:25] Report message to a moderator |
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| Re: [GMCnet] Blowed up real good [message #169213 is a reply to message #169196] |
Thu, 10 May 2012 21:37 |
Kosier
Messages: 834
Registered: February 2008
Karma: 1
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Senior Member |
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Hey, let me throw in a ringing endorsement for the big Cad. The
switch-pitch
is tighter in low stall and is super. The only problem is
excessive wear on the
front tires and that funny squalling noise when their spinning.
LOL
Gary Kosier "I have 500 inches and, best of all, it's a
Cadillac"
----- Original Message -----
From: "Rob Mueller" <robmueller@iinet.net.au>
To: <gmclist@temp.gmcnet.org>
Sent: Thursday, May 10, 2012 8:53 PM
Subject: Re: [GMCnet] Blowed up real good
> Ted,
>
> Sorry to hear of your bad luck. I don't see any disadvantage to
> installing a
> Caddy with a switch pitch and a 3.21 FD.
>
> There will be naysayers because of KenH's problems with the
> thrust bearing
> but from what I've read here and other places written by people
> that KNOW
> what they're talking about and not "talking" out an orifice
> much lower on
> the body that the Caddy engine is just as good as the Olds
> engine. In fact
> it has some features that one consider to make it better. Such
> as NO Siamese
> exhaust ports, higher nickel content in the block, OEM low
> profile aluminum
> manifold (rare but findable - I have), and others.
>
> Having said that I will admit to being prejudiced as I have a
> Caddy 500,
> switch pitch trans, and 3.21 FD that will go into The Blue
> Streak here in
> Australia.
>
> Regards,
> Rob M.
>
> -----Original Message-----
> From: Ted Petty
>
> Well it happened to me. It hasnt happened since i was in my
> 20's But it can
> still happen no matter how good you think you take care of
> something.I was
> headed back from Gattlinburg and got 40 miles from home and
> heard something
> break first a clatter and then no oil pressure and locked up
> real quick.
> Deffinitly seiezed. I was planning on doing my frame this
> summer but now i
> have to do a engine. Im going to consider the Caddy Motor if i
> pull the 455
> down and its totally trashed inside. So i may be needing Kens
> Motor mount
> diagram and will probably go that route seeing his close and up
> under it is
> a nice setup.How do Yall think the caddy motor will work with
> my switch
> pitch and 3.21 setup?
> Ted
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: Blowed up real good [message #169214 is a reply to message #169183] |
Thu, 10 May 2012 22:29 |
PettyVTX
Messages: 363
Registered: April 2011
Location: Winder Ga.
Karma: 1
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Senior Member |
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Gary
what did you guys do for the axle support bearing i had a hell of a time finding a new bearing as the axle shaft on the 3.21 is a smaller diameter. And what front mount did you use? I think Ken H made his. And i like smoking tires
Ex Avion now looking for a 23'
Jeep Wrangler Towd
[Updated on: Thu, 10 May 2012 22:30] Report message to a moderator |
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| Re: [GMCnet] Blowed up real good [message #169222 is a reply to message #169214] |
Fri, 11 May 2012 07:14 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Ted,
Before I forget it: I've got an A-frame tow bar modified to fit the bumper
brackets on the GMC front clip. It proved very useful when I R&R'd my clip.
Yes, I did make my front mount, and I have a jig to reproduce it, though
I'd make a couple of minor changes if making another one. But, I have the
'72 mount from the latest engine if you need it -- and know who's got
another one if someone needs to buy one.
Ken H.
On Thu, May 10, 2012 at 11:29 PM, Ted Petty wrote:
>
>
> Gary
> what did you guys do for the axle support bearing i had a hell of a time
> finding a new bearing as the axle shaft on the 3.21 is a smaller diameter.
> And what front mount did you use? I think Ken H made his.
> --
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: Blowed up real good [message #169236 is a reply to message #169183] |
Fri, 11 May 2012 09:20 |
Chr$
Messages: 2690
Registered: January 2004
Location: Scottsdale, AZ
Karma: 1
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Senior Member |
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Bahh... You can get smoking michelins with the 455!
-Chr$: Perpetual SmartAss
Scottsdale, AZ
77 Ex-Kingsley 455 SOLD!
2010 Nomad 24 Ft TT 390W PV W/MPPT, EV4010 and custom cargo door.
Photosite: Chrisc GMC:"It has Begun" TT: "The Other Woman"
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| Re: [GMCnet] Blowed up real good [message #169326 is a reply to message #169263] |
Sat, 12 May 2012 07:29 |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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Senior Member |
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| Kosier wrote on Fri, 11 May 2012 14:37 |
Ted,
I have the 3.21 in the shop, but not installed. John Biwersi is
the guru on the 3.21.
On the front motormount, I have 6 or 8 out in the shop, cause I'm
a packrat.
Gary Kosier
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Well, there you are!! I might add, do not use the 68-72 motor mount without first having the rubber portion revulcanized. A 40+ year old vulcanized mount won't hold up against all that torque. I speak from experience. I'd be inclined to use Ken Henderson's design using the Olds rubber mount. Simple and strong. JMHO
http://www.gmcmhphotos.com/photos/data/5259/010_-_Cad_500_Front_Mount_for_GMCMH_Olds_Rubber_.pdf
Larry 
78 Royale w/500 Caddy
Menomonie, WI.
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| Re: Blowed up real good [message #169329 is a reply to message #169183] |
Sat, 12 May 2012 08:09 |
PettyVTX
Messages: 363
Registered: April 2011
Location: Winder Ga.
Karma: 1
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Senior Member |
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Larry
im like you i think if i do go with the caddy i would use Ken H design and go fuel injection.He really has a nice setup in his rig. It sounds like you guys have really do a lot of research and pain and error on the caddy system thanks for posting all the links.Do yall make your own headers or can they be bought.Ken doesnt run headders and the manifolds seem to be pretty compact. it is a lot to consider. I guess the only thing now is to pull this motor down and see what broke. It was running so sweet and i was getting about 9 1/2 MPH out of her too and just got the cruise control to work. Man i was on easy street.Now im in the gutter. From riches to rags or whatever.
Ex Avion now looking for a 23'
Jeep Wrangler Towd
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| Re: [GMCnet] Blowed up real good [message #169393 is a reply to message #169368] |
Sat, 12 May 2012 22:47 |
Larry
Messages: 2875
Registered: January 2004
Location: Menomonie, WI
Karma: 10
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Senior Member |
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| Robert Mueller wrote on Sat, 12 May 2012 18:32 |
Larry,
Jerry Potter (DA MAN when it comes to Caddy 500's - now retired) told me
that "puttin' headers on the Caddy in your GMC will be like puttin' perfume
on a pig." He noted that because the engine will probably never see more
than 3500 rpm.
You're 100% right good left (driver side) exhaust manifolds are rare as
rocking horse poo!
You can buy a new one on eBay BUT get a load of the price!
Item # 290681584605
As far as the Cad Co's headers go IIRC can you get the transmission governor
out without removing the header? Yes / No?
Regards,
Rob M.
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Yes, Milt Wade am old GMC'r worked with Chris at Cad Co. on the design of those headers. One of Milt's requirements was to shape them so that the governor can be removed without removing the header. I'm lucky enough to have an extra set of manifolds and a set of headers. So far, haven't needed them.
Larry
78 Royale w/500 Caddy
Menomonie, WI.
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