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Old 06-14-2011, 08:08 PM
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454 headers, which ones

I have a gen 5 454 going in a 65 impala, I want to put headers on it, it has the factory exhaust manifold now, they sort of look like headers. anyway, if I do a search on summit, it gives truck headers. Will 396 headers for 65 work on this 454?

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Old 06-14-2011, 08:42 PM
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Try the 270 phone number here for Holley Tech. They make swap headers for '64 Big Block, but I don't see the '65 listed. Call 'em up or fill out the email request...
http://www.holley.com/TechService/TechRequest.asp
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Old 06-14-2011, 08:43 PM
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Please delete.
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Old 06-14-2011, 10:42 PM
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Why shoot Tech, I woulda thought you have turned him on to those "Fosdick" block huggers.
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Old 06-14-2011, 11:01 PM
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Quote:
Originally Posted by 327NUT
Why shoot Tech, I woulda thought you have turned him on to those "Fosdick" block huggers.
No man, they're too.....how do you say.....Fosdick!!
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Old 06-15-2011, 07:07 AM
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the 396 has the same bolt pattern as the 454.

are you using the gen V exhaust manifolds?. If so, those are nice.

here is a manifold link page. Which ones do you have now? Is your engine stock?

http://www.stevensparts.com/CHEV%20E...0MANIFOLDS.htm
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Old 06-15-2011, 01:09 PM
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I have the ones on the left, but hey have some sort of 'flex' in the middle. I was told if I just go with these, it will give me good low end torque, but it's already a peanut port, i have 4 11 gears in a 700 r4, not sure just home low end torque I need, but the car is heavy, what do you think? go with these ones?
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Old 06-15-2011, 01:38 PM
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headers have more of a midrange effect on torque with stock to mild engines.

The more "non-stock" the engine is, the more headers help.

With a stock cam and peanut heads, headers will not help that much. They do sound like more hp.
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Old 06-15-2011, 02:05 PM
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you sold me on staying stock
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Old 04-08-2013, 02:35 PM
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Sorry, commented on wrong thread

Last edited by Karcrazy; 04-08-2013 at 02:39 PM. Reason: Wrong quote
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Old 09-14-2013, 10:26 AM
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Trying to attach pic of my new engine
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