Thread: Should i drop to a 3.0 on a Gen V or a 3.2?

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  1. #1 Should i drop to a 3.0 on a Gen V or a 3.2? 
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    My Mods:
    XPZ Cam w/Pushrods
    Stg 2 or 3 Heads w/130# Springs
    Ported Lim
    Gen V w/ 3.4 pulley
    N* LQ4
    Intake
    60# Injectors w/Fpr and Walboro Fuel Pump
    Zzp Tune for Mods

    I currently have NO KNOCK Would i be safe to run a 3.0 on the Gen V? Or try a 3.2? Im always scanning though.. Thanks!!!
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  2. #2 Re: Should i drop to a 3.0 on a Gen V or a 3.2? 
    GXP Level Member coolone's Avatar
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    So what will you do when you encounter KR? You can drop, but without the ability to change the tune, you'll pulley back up with Knock. So if you have no knock, I'd say enjoy the ride!

    : )
    Overkill BBC Cam, YT 1.8 RR's, Rhodes Lifters, STGII Heads, GenV, Pacesetters, 3" Exh to Tips, TEP Trans. N*, ID 75# injectors/E85 coming soon
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  3. #3 Re: Should i drop to a 3.0 on a Gen V or a 3.2? 
    GrandPrix Junkie CrazyGuy03's Avatar
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    Pretty much sums it up. Most throw on a small pulley and tune around it to make it work
    2003 Buick Regal GSX lots of mods - click here to see latest build - http://www.grandprixforums.net/threa...ld-for-the-gsx

    *For Reference - Does not have a Zack Howard Cam - It's an Intense Stage 3 - Thank You*
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  4. #4 Re: Should i drop to a 3.0 on a Gen V or a 3.2? 
    GXP Level Member Timing's Avatar
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    zzp tunes are rich so you could probly get away with a 3.2 but with the mods a 3.0-3.1 is doable with a real tune. If your spending money on those mods get a real tune, you wont believe what your losing. With that being said gauge your pulley around being able to run like 17-18 * timing with 11.7-12:1 afr knock free.
    08 MazdaSpeed 3- Treadstone tr8l, Ebay Piping, Ported intake,Thermal gasket, Cs Injector Seals,Cobb intake/inlet, Autotech Internals, Poly mounts, Speed Daddy DP, Magnaflow CB,
    RPF1 17x9 255/45 Direzza Zll
    04 COMPG- Vs, getrag 284 RIP
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  5. #5 Re: Should i drop to a 3.0 on a Gen V or a 3.2? 
    GrandPrix Junkie SgtMarshal's Avatar
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    pulleys are easy to resale, I would go down a little at a time and resale the one you know you don't need and wont use anymore. Its always better to have more pulleys than less.
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  6. #6 Re: Should i drop to a 3.0 on a Gen V or a 3.2? 
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    Cool i will try and 3.2... 3.0 to max out on pump gas... If im knock free... 2.8 for the grand finale... On e85 and a dyno tune
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