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Old 01-17-2007, 11:51 AM
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Switching heads

Can you put heads from pontiac on chevy if they match up

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Old 01-17-2007, 12:39 PM
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Sure, if they matched up. Which they don't.
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Old 01-17-2007, 03:03 PM
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Only if the Pontiac has a chevy engine. Pontiac engines and chevy engines are completely different animals, but starting in 81-82, all Pontiacs started using chevy and Olds engines instead of pontiac engines.
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Old 01-17-2007, 10:43 PM
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350 ci heads

why does my pontiac have 350 heads?
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Old 01-17-2007, 11:46 PM
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What year is your Pontiac? If it's a newer car then it might have a Chevy 350 in it like Curtis73 said. If it's an older car then it'll probably have a Pontiac 350. Remember that Buick, Olds, and Pontiac all built 350s. Each was its own design independent from the other brands. Another little known fact is that back in the late '50s Plymouth actually built a 350 as well... I think it was in 1958.
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Old 01-18-2007, 12:45 AM
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Quote:
Originally Posted by 47chevrolet
why does my pontiac have 350 heads?

Because it isn't a Pontiac engine, but a Chevy???
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Old 01-18-2007, 11:45 AM
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pontiac

the pontiac motor is a 77 400 6.6
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Old 01-18-2007, 11:50 AM
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Quote:
Originally Posted by 47chevrolet
the pontiac motor is a 77 400 6.6

See post # 2.
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Old 01-18-2007, 12:33 PM
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the plymouth 350 was a big block wasnt it. i read that somewhere just wondering about it.
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Old 01-18-2007, 01:26 PM
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Originally Posted by blue85350
the plymouth 350 was a big block wasnt it. i read that somewhere just wondering about it.

Dist in front, short deck. Looks like the average 383.
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Old 01-19-2007, 12:48 AM
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If it's a Pontiac 400, maybe somebody put Pontiac 350 heads on it in order to increase the compression ratio. If they're 6X heads (common in '77), they could have come from a 350 or a 400. Here's how to tell: http://pontiacstreetperformance.com/psp/6XheadID.html
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