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1'3/4 headers vs 1'7/8

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Old 05-04-2010, 10:22 AM
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Thumbs up 1'3/4 headers vs 1'7/8
wondering how much power i might be leaving on the table running the 1'3/4 headers on my 402. Its an all motor 402. Tfs heads and 239/242 .605/.610 lift cam. When i had it tuned the tuner suggested i step up...
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Old 05-04-2010, 12:38 PM
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give Allngn a pm.. he has a 402 and has results going from a 13/4 to 17/8. i think ron from vengeance also has info. with a big motor like what you have, i would defintely run 1 7/8.
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Old 05-04-2010, 03:12 PM
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I couldnt find a member by that name. help locating him would be appreciated
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Old 05-04-2010, 05:42 PM
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Originally Posted by youguessit
I couldnt find a member by that name. help locating him would be appreciated
here

https://ls1tech.com/forums/member.php?u=61774
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