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Thread: power difference...4-1 header vs 4-2-1 header

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  1. 10-10-2009, 12:24 PM #1
    G.C
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    When you guys say "Big" difference, did you actually dyno your car before the header and after? or are you guys just guesstimating.
    :idb:
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  2. 10-10-2009, 12:54 PM #2
    RBS
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    Quote Originally Posted by G.C View Post
    When you guys say "Big" difference, did you actually dyno your car before the header and after? or are you guys just guesstimating.
    makes a big difference on a Butt dyno! every pull is a different result because you can never sit in the same, exact spot lololol
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  3. 10-12-2009, 12:20 AM #3
    D3UC3S
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    Quote Originally Posted by G.C View Post
    When you guys say "Big" difference, did you actually dyno your car before the header and after? or are you guys just guesstimating.
    when Mike tested the h22 drag header on my car we did a before and after...+14whp...no guestimating, his shit makes power
    '82 TE72 SR5 Sport Coupe
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