Home » Public Forums » GMCnet » [GMCnet] Chrome valve covers for the Olds
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| Re: [GMCnet] Chrome valve covers for the Olds [message #305852 is a reply to message #305850] |
Mon, 22 August 2016 21:58   |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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I'm not really an expert on this, Bob, but a couple of things I've heard
over the years:
1. You DO need the baffles in them
2. If they're sandblasted before chroming with the baffles in them,
there's a good possibility of residual sand contaminating your motor oil.
I'd watch out for those issues.
Ken H.
On Mon, Aug 22, 2016 at 10:42 PM, Bob Dunahugh wrote:
> This winter I'm finally going to install the EFI that I've had for 2 years
> on my 403. I just got an Olds 350 aluminum intake. So that brings up that a
> set of chrome valve covers would be nice. As I recall the 403, and 455
> covers are the same. Any issues to watch out for?
>
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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] Chrome valve covers for the Olds [message #305864 is a reply to message #305853] |
Tue, 23 August 2016 00:13 |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Yep!
http://www.gmcmhphotos.com/photos/aa-miscellaneous-photos/p28551-gmc-valve-covers.html
Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Emery Stora
Sent: Tuesday, August 23, 2016 1:05 PM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Chrome valve covers for the Olds
Bob
Be careful changing valve covers. The ones used on the GMC motorhome had some special baffles in them that prevented oil loss
through the pcv valve.
Many replacement covers fit fine but don't have the baffles resulting in oil usage going high
Be sure to compare the underside of the covers to see if the baffles are there and are the same.
Emery Stora
77 Kingsley
Rede rock, CO
> On Aug 22, 2016, at 8:42 PM, Bob Dunahugh wrote:
>
> This winter I'm finally going to install the EFI that I've had for 2 years on my 403. I just got an Olds 350 aluminum intake. So
that brings up that a set of chrome valve covers would be nice. As I recall the 403, and 455 covers are the same. Any issues to
watch out for?
>
> Bob Dunahugh.
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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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: [GMCnet] Chrome valve covers for the Olds [message #305882 is a reply to message #305879] |
Tue, 23 August 2016 09:38 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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We used to have a saying in drag racing, "If it don't go, chrome it".
Simply explained, it meant that performance is largely unaffected by fancy
chrome and bling. The race cars to watch out for were painted and tidy, but
very little was spent on dress up parts. After the car's racing days were
over, then, cosmetic touches were added and the car went on the show car
circuit.
No one looks under the engine hatch at GMC rallies unless it won't
start when the rally is over. I have watched. Heck, most of the time owners
don't even do a walk around to see if they have air in their tires, or
that their lights and turn signals work.
Jim Hupy
Salem, Or
On Aug 23, 2016 7:05 AM, "Bob Dunahugh" wrote:
>
> I've seen a powder coating that is very close to a chrome look. That may
> be a simpler choice. Bob Dunahugh
>
> ________________________________
> From: Bob Dunahugh
> Sent: Monday, August 22, 2016 9:42 PM
> To: gmclist@list.gmcnet.org
> Subject: Chrome valve covers for the Olds
>
>
> This winter I'm finally going to install the EFI that I've had for 2 years
> on my 403. I just got an Olds 350 aluminum intake. So that brings up that a
> set of chrome valve covers would be nice. As I recall the 403, and 455
> covers are the same. Any issues to watch out for?
>
> Bob Dunahugh.
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
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| Re: [GMCnet] Chrome valve covers for the Olds [message #305887 is a reply to message #305883] |
Tue, 23 August 2016 10:40 |
Keith V
Messages: 2337
Registered: March 2008
Location: Mounds View,MN
Karma: 0
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Senior Member |
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Don't sand blast chrome or do anything to valve covers, too hard to get all the crud out of them afterwords.
Just paint them Olds Blue and live a long happy life.
But I'm skeptical about the engine blowing up because of valve covers.
What does that even mean anyway?
----------------------------------------
>
> We put on valve covers that appeared to fit but the oil process was wrong n it caused a newly overhauled engine to blow up.
>
> Sent from my iPhone
>
>> On Aug 23, 2016, at 9:04 AM, Bob Dunahugh wrote:
>>
>>
>> I've seen a powder coating that is very close to a chrome look. That may be a simpler choice. Bob Dunahugh
>>
>> ________________________________
>> From: Bob Dunahugh
>> Sent: Monday, August 22, 2016 9:42 PM
>> To: gmclist@list.gmcnet.org
>> Subject: Chrome valve covers for the Olds
>>
>>
>> This winter I'm finally going to install the EFI that I've had for 2 years on my 403. I just got an Olds 350 aluminum intake. So that brings up that a set of chrome valve covers would be nice. As I recall the 403, and 455 covers are the same. Any issues to watch out for?
>>
>> Bob Dunahugh.
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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Keith Vasilakes
Mounds View. MN
75 ex Royale GMC
ask me about MicroLevel
Cell, 763-732-3419
My427v8@hotmail.com
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| Re: [GMCnet] Chrome valve covers for the Olds [message #305900 is a reply to message #305882] |
Tue, 23 August 2016 17:00 |
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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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Jim,
Hmmmmmm, at GMCMI Conventions they have a couple of days of Open House where owners show off their GMC's, and visitors vote for the
"best" one. A prize is awarded to the winner.
Your statement regarding looking under the engine hatch has given me an idea, on my "new" Kingsley I'm going to "bling" up the Caddy
500 and put a glass panel in the middle of the hatch ala Dan & Tri Gregg's GMC.
It might give me an edge in winning the "best" coach contest.
Regards,
Rob M.
USAussie - Downunder
AUS '75 Avion - The Blue Streak TZE365V100428
USA '75 Avion - Double Trouble TZE365V100426
-----Original Message-----
From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of James Hupy
Sent: Wednesday, August 24, 2016 12:38 AM
To: gmclist@list.gmcnet.org
Subject: Re: [GMCnet] Chrome valve covers for the Olds
We used to have a saying in drag racing, "If it don't go, chrome it".
Simply explained, it meant that performance is largely unaffected by fancy
chrome and bling. The race cars to watch out for were painted and tidy, but
very little was spent on dress up parts. After the car's racing days were
over, then, cosmetic touches were added and the car went on the show car
circuit.
No one looks under the engine hatch at GMC rallies unless it won't
start when the rally is over. I have watched. Heck, most of the time owners
don't even do a walk around to see if they have air in their tires, or
that their lights and turn signals work.
Jim Hupy
Salem, Or
On Aug 23, 2016 7:05 AM, "Bob Dunahugh" wrote:
>
> I've seen a powder coating that is very close to a chrome look. That may
> be a simpler choice. Bob Dunahugh
>
_______________________________________________
GMCnet mailing list
Unsubscribe or Change List Options:
http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
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: [GMCnet] Chrome valve covers for the Olds [message #305916 is a reply to message #305887] |
Tue, 23 August 2016 23:33 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Senior Member |
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Problem with most chromed valve covers are the fact that they do not have
baffles to keep oil from beig drawn up by the PVC vale and the Air cleaner.
On Tue, Aug 23, 2016 at 8:40 AM, Keith V wrote:
> Don't sand blast chrome or do anything to valve covers, too hard to get
> all the crud out of them afterwords.
> Just paint them Olds Blue and live a long happy life.
>
> But I'm skeptical about the engine blowing up because of valve covers.
> What does that even mean anyway?
>
> ----------------------------------------
>
>>
>> We put on valve covers that appeared to fit but the oil process was
> wrong n it caused a newly overhauled engine to blow up.
>>
>> Sent from my iPhone
>>
>>> On Aug 23, 2016, at 9:04 AM, Bob Dunahugh wrote:
>>>
>>>
>>> I've seen a powder coating that is very close to a chrome look. That
> may be a simpler choice. Bob Dunahugh
>>>
>>> ________________________________
>>> From: Bob Dunahugh
>>> Sent: Monday, August 22, 2016 9:42 PM
>>> To: gmclist@list.gmcnet.org
>>> Subject: Chrome valve covers for the Olds
>>>
>>>
>>> This winter I'm finally going to install the EFI that I've had for 2
> years on my 403. I just got an Olds 350 aluminum intake. So that brings up
> that a set of chrome valve covers would be nice. As I recall the 403, and
> 455 covers are the same. Any issues to watch out for?
>>>
>>> Bob Dunahugh.
>>> _______________________________________________
>>> GMCnet mailing list
>>> Unsubscribe or Change List Options:
>>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>
--
Jim Kanomata
Applied/GMC, Fremont,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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