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05-16-2010, 10:11 PM
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#1 |
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Registered User
Join Date: Feb 2007
Location: west coast
Posts: 3,380
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Aluminum heat shield?
What years used the aluminum flat heat shield between carb and intake manifold? Where they used on both 2 BBL and 4BBL small blocks and or big blocks?
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05-16-2010, 10:19 PM
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#2 |
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Registered User
Join Date: Jan 2006
Location: Take Off
Posts: 1,908
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Re: Aluminum heat shield?
I've never seen a carb heat shield stock on a 67-72 truck. It would think it would only be used on Holley equipped engines since the Holleys have fuel bowls that hang over the intake. Maybe you are thinking of an aluminum carb spacer that fits under just the carb base plate?
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05-19-2010, 08:16 PM
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#3 |
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Registered User
Join Date: Feb 2007
Location: west coast
Posts: 3,380
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Re: Aluminum heat shield?
Shield has firing order and GM part # 3973231. Was off a 70 or 71 350 pickup.Or maybe it was a corvette engine?
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05-20-2010, 09:38 AM
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#4 |
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Registered User
Join Date: Apr 2003
Location: NB
Posts: 3,367
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Re: Aluminum heat shield?
That is a sweet option there! Makes me want to make one.
__________________
1968 Chevy C10 307 3ott fleetside 1967 Chevy C/10 V8, 3spd, fleetside lwb.Sold 1967 Chev C/10 step, 383, M21. SOLD |
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05-20-2010, 10:48 AM
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#5 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,711
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Re: Aluminum heat shield?
Z28 from 67-69 had them. Similar ones available at your local speed shop. Easy to make one too.
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05-20-2010, 10:52 AM
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#6 |
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Senior Member
  
Join Date: Dec 1999
Location: Urbana,Ohio,USA
Posts: 4,618
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Re: Aluminum heat shield?
Never seen one on a truck.
Would have been Corvette's, Camaro's
__________________
2008 Chevy HHR 1/2 panel. 1949 Chevy Panel truck(just sittin, waiting) Board member #6 |
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05-20-2010, 11:07 AM
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#7 |
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Registered User
Join Date: Jul 2001
Location: North Louisiana
Posts: 4,501
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Re: Aluminum heat shield?
I bought a '70 GMC a few years ago that had one on it. I have no idea if it came that way, but it appeared original under the hood.
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Wynne 70 CST short fleet Hugger orange & white, 350/350, ps, pb, air, tilt, tach/vac/speedwarning, original buckets, AM/FM, oak bed floor, shoulder belts, 3.5"/5.5" drop, 20" American Racing VN425s. Build thread 53 Chevy shortbed 69 Camaro Click here to subscribe Chevy GMC International Truck Club Louisiana Charter Member http://www.louisianaclassictruckclub.com |
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05-26-2010, 07:43 PM
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#8 |
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Registered User
Join Date: Feb 2007
Location: west coast
Posts: 3,380
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Re: Aluminum heat shield?
The plot thickens. Here one used on a 100pt restoration out of the Brothers catalog. Still, the years used is a mystery.Its possible many original shields may have been discarded after a carb change.
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05-26-2010, 08:35 PM
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#9 |
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Registered User
Join Date: Aug 2009
Location: Alden NY
Posts: 2,705
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Re: Aluminum heat shield?
My 70 burb has one under the 2 bbl on the original 307. Mine was a California truck and it also has some extra evaporative hoses that my 70 from New York doesn't have.. Maybe the shields were put only on California vehicles? I do know that there were specific Q jets for the California vehicles.
"  "
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1961 C1 Corvette 1959 El Camino 350 TPI, 9" 4 w disc 69 Blazer K5 - sold July '20 2021 Durango RT 5.7 Last edited by rsavage; 05-26-2010 at 08:37 PM. |
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05-27-2010, 11:03 PM
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#10 |
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Registered User
Join Date: Feb 2007
Location: west coast
Posts: 3,380
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Re: Aluminum heat shield?
I just happened to be in California and Brothers truck parts is in California. Special equipment for California's tougher emission laws vs. the other 49 states sounds right, thankyou rsavage.
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