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Old 02-21-2020, 09:26 AM   #1
Billy Nees
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Default Re: 305 header size ???

Jere wasn't a real fan of stepped headers. He also wasn't a fan of merged collectors. He said, "if your car picks up with a merged collector then your primary tube is too big".
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Old 02-21-2020, 05:19 PM   #2
Ed Wright
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Default Re: 305 header size ???

Quote:
Originally Posted by Billy Nees View Post
Jere wasn't a real fan of stepped headers. He also wasn't a fan of merged collectors. He said, "if your car picks up with a merged collector then your primary tube is too big".
Yep!
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Old 02-21-2020, 11:21 PM   #3
James Jeschke Jr
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Default Re: 305 header size ???

1 1/2” x8”Lg. to 1 5/8”Lg. x8” to 1 3/4” is the best I have found.
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