Thread: 3.4

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  1. #1 3.4 
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    I'm currently running the 3.5 pulley and peaking at 10 psi with no kr. Is it worth it to drop to a 3.4 and what would be the psi increase be for such a small drop in sizes?
    K & N cai / 3" downpipe / hi-flow cat / u-bend delete / 180 T-stat / ceramic coated plog & crossover / Overkill pcm / 3.5" pulley / zzp stage 1 TB / auto lite 104's / msd wires / poly mounts / slp front and rear sway bars / bmr trailing arms /
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  2. #2 Re: 3.4 
    DUI BABY Bio248's Avatar
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    maybe 1 pound of boost or so. if youre not knocking then try it out and see where it goes.

    in all technical senses you would probably gain more from added timing and not more boost.
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  3. #3 Re: 3.4 
    Donating Users Liquifire's Avatar
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    I would try the 3.4 it is worth a shot..........if you have any KR, then go back to the 3.5 and sell the 3.4...........my .02
    98 GTP Coupe- 180* T-stat, GMPP Front Sway Bar, Dual Aeroforce Interceptor's, TDC FWI, TDC Taylor 10.4's, ZZP SS Plog, ZZP 3" SS catted DP, ZZP MPS W/3.4, AL104's gapped @.055, 3800Perf. PCM
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