Thread: pulleys for newbie

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  1. #1 pulleys for newbie 
    GT Level Member kuntzie's Avatar
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    this is goin in a fiero

    l26 (GT) bottom end
    l32 (gen v) top end
    3" straight through exhaust (not vey long either
    power log
    no t-stat
    42.5 injectors
    alky

    also has xp cam


    so how small of a pulley can we go? i dont want to have to run an intecooler in this hoe if i dont have to ,

    the car went 12.70 onjust a 3.4 and the custom downpipe/ exhaust last year on a gen 3 blowerad l67 bottom end

    i want to get down to 3" pulley if possible
    02 Grand Prix GT Intercooled turbo 5-speed 718whp 618wtq @ 21psi 7575 billet, spool valve, custom manifolds, 4" downpipe, 16way adjustable coilovers, 18x9.5 with 275's all around, gxp interior, gxp brakes
    tilton triple disc, custom aluminum flywheel, tilton slave and master, an awful lot more
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  2. #2 Re: pulleys for newbie 
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    how much timing are you running and what AFR?

    That pretty much determines the pulley.

    Fake math says +.2 for the L26 and another .2 for the Gen V.

    XP cam nets you a 3.2

    Powerlog, wouldnt do much at that point anymore, but the alky might let you get down to 3.1 or 3.0

    Then you add in the .4 from high compression and the blower and you're back up at 3.4

    Again, wont know till you try it.
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  3. #3 Re: pulleys for newbie 
    Donating Users gtp239's Avatar
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    only one way to know for sure drop and scan, also i want your gp
    1998 gtp fwi, sd headers, overkill,3.4, poly mounts,p&psc
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  4. #4 Re: pulleys for newbie 
    GT Level Member kuntzie's Avatar
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    its basiclly a drag car/ cruiser, with maybe 1500 miles a year, it has a walbro and will betuned at the 12.0 range

    its 5-speed and im looking fo 400whp (that would be around 360 automata power log is far superior to the stock front mani, there is just no room for any aftermarket headers in there
    02 Grand Prix GT Intercooled turbo 5-speed 718whp 618wtq @ 21psi 7575 billet, spool valve, custom manifolds, 4" downpipe, 16way adjustable coilovers, 18x9.5 with 275's all around, gxp interior, gxp brakes
    tilton triple disc, custom aluminum flywheel, tilton slave and master, an awful lot more
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  5. #5 Re: pulleys for newbie 
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    Without heads/ic i can't see that happening.

    12.0 is kinda lean for non i/c so i'd say try the 3.4 first.
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  6. #6 Re: pulleys for newbie 
    GT Level Member kuntzie's Avatar
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    its easy tuneable more rich, the guy is persistant on getting a 3.0 in there
    02 Grand Prix GT Intercooled turbo 5-speed 718whp 618wtq @ 21psi 7575 billet, spool valve, custom manifolds, 4" downpipe, 16way adjustable coilovers, 18x9.5 with 275's all around, gxp interior, gxp brakes
    tilton triple disc, custom aluminum flywheel, tilton slave and master, an awful lot more
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  7. #7 Re: pulleys for newbie 
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    pulley size doesnt matter.

    If he wants the smallest pulley tell him to order MPS in 3.2, 3.1, 3.0 and see what happens.
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  8. #8 Re: pulleys for newbie 
    GT Level Member kuntzie's Avatar
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    yes i know, but alas, some people just dont understand, think a 2.55 can just be put on there lol
    02 Grand Prix GT Intercooled turbo 5-speed 718whp 618wtq @ 21psi 7575 billet, spool valve, custom manifolds, 4" downpipe, 16way adjustable coilovers, 18x9.5 with 275's all around, gxp interior, gxp brakes
    tilton triple disc, custom aluminum flywheel, tilton slave and master, an awful lot more
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  9. #9 Re: pulleys for newbie 
    Donating Users gtp239's Avatar
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    if its just a track car what about meth?
    1998 gtp fwi, sd headers, overkill,3.4, poly mounts,p&psc
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  10. #10 Re: pulleys for newbie 
    The Blue One blueguy's Avatar
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    Man up...convert it to E85 and put a f*cking 2.8" on there Sally.

    Quote Originally Posted by gtp239 View Post
    if its just a track car what about meth?
    He says it has Alky Injection brah.
    Sold WBody's: '03 Blue GTP/'98 Green GTP/'98 Silver GT/'05 GXP
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  11. #11 Re: pulleys for newbie 
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    there are two E85 pumps in ontario........
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