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3A heads
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Posted: 08/26/09
10:54 AM
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Im looking for info on pontiac 3a heads, I have a pontiac 350, I cant find the casting number, it has 3a heads. any info would be greatly appreciated.
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Posted: 08/26/09
11:52 AM
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The reason you can not fined info on the 3A heads is that there are no 3A Pontiac heads.
Are you sure it is a Pontiac engine the casting number you need is on the center exhaust port of the head if it is a true pontiac engine.
Professional hi-performance engine builder
Horsepower sells Engines and torque wins races.
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Posted: 08/26/09
12:08 PM
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Just found some info the 3A code is oldsmobile and is a 8:1CR 350 and has 75CC combustion chambers.
Professional hi-performance engine builder
Horsepower sells Engines and torque wins races.
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Posted: 08/26/09
06:22 PM
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it says PMD on the heads
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Posted: 08/27/09
05:26 AM
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Pontiac never had 3A castings only oldsmobile.
How about posting a picture of the engine and heads.
Professional hi-performance engine builder
Horsepower sells Engines and torque wins races.
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Posted: 08/27/09
01:13 PM
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Where do you put oil in the engine? In the valve cover or in a fill tube at the front of the engine?
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The Silver Buick- '77 Skylark coupe w/ a Fuel Injected Buick 455&TKO-600, '72 Centurion Conv't - 455w/TH400, '67 T-bird 4Dr (suicide) w/428&C6. Needing to replace a '69 Firebird 400.
http://www.bangshift.com/forum/index.php?topic=6189.0
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