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Old June 14th, 2010, 07:41 PM   #1
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455 engine swap in g body

does anyone have tips on headers for a g body cutlass with a 455. i dont want to spend a ton of money for dick millers or hookers. or if headman shorty headers would work.
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Old June 15th, 2010, 01:51 PM   #2
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Get hookers, or use stock exhaust manifolds.
I had a custom set made 20 years ago (before the hookers came out), that broke the bank. There is really no cheap way out.
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Old June 15th, 2010, 02:00 PM   #3
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Would the Thorton Reproductions work?

http://cgi.ebay.com/ebaymotors/W30-4...item5887f7cf48

sb
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Old June 15th, 2010, 05:11 PM   #4
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Quote:
Originally Posted by 80_cutlass View Post
Would the Thorton Reproductions work?

http://cgi.ebay.com/ebaymotors/W30-4...item5887f7cf48

sb
Yes
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Old June 15th, 2010, 05:30 PM   #5
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is there gonna to be any real performance loss or gain by running the w-30 manifolds over the stock ones that i have? or is there any performance diff between the stock ones i have prob 7 diff 455's with manifolds on them. i thought about making bigger version of the 307 steel log sytle they came with the g body cars.
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Old June 15th, 2010, 10:36 PM   #6
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Those are the best flowing manifold period. I'm not sure that's saying all that much, but they are leaps and bounds over the ones used in single exhaust applications.
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Old June 15th, 2010, 10:36 PM
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