Thread: 1999 Grand prix... Looking to run a 3.4 pulley

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  1. #41 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    GXP Level Member Tuner-Extraordinaire's Avatar
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    Without rockers. No.

    Overkill should be okay though.
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  2. #42 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    I live here. brandonl2000's Avatar
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    Quote Originally Posted by Nixon View Post
    Ask brandon what happens when you try to run a 3.4 pulley on a stock tune with ONLY headers.
    we didn't have ONLY headers...
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  3. #43 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
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    okay. Headers and HAI.

    You might as well have shoved a banana up one of the tailpipes too without valvetrain mods.
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  4. #44 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    I live here. brandonl2000's Avatar
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    Quote Originally Posted by Nixon View Post
    okay. Headers and HAI.

    You might as well have shoved a banana up one of the tailpipes too without valvetrain mods.
    we had plugs and a tstat too.
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  5. #45 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    GXP Level Member Tuner-Extraordinaire's Avatar
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    LOL. yeah, well those are really more like maintenance items, guy.
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  6. #46 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    GTX Level Member JDrach's Avatar
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    Then why did your 3.4 fail if u had headers and tuned pcm?
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  7. #47 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    I live here. brandonl2000's Avatar
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    Quote Originally Posted by Nixon View Post
    LOL. yeah, well those are really more like maintenance items, guy.
    so are headers if you look at it that way.

    Quote Originally Posted by JDrach View Post
    Then why did your 3.4 fail if u had headers and tuned pcm?
    it didn't fail. this was before the tune.
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  8. #48 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
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    Quote Originally Posted by JDrach View Post
    Then why did your 3.4 fail if u had headers and tuned pcm?
    Did not fail.

    On a stock PCM file though it was a BIG fail.

    After the tune it pulled like a raped ape.
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  9. #49 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    I live here. brandonl2000's Avatar
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    Quote Originally Posted by Nixon View Post
    After the tune it pulled like a raped ape.
    it sure did. nothing like the first time
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  10. #50 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    GTX Level Member JDrach's Avatar
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    so 3.4 is good with a tuned pcm and headers?
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  11. #51 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    GTX Level Member JDrach's Avatar
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    good as in, wont blow up lol
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  12. #52 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
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    good as in wont blow up yes.

    if you really want to get the most out of a 3.4 pulley though you need valvetrain mods.
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  13. #53 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    GTX Level Member JDrach's Avatar
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    i just wanna get myself a lil boost. was thinking new spark plugs, that zzp 1.0pcm, ubend delete, CAI or conefilter, and headers. Then i will try smaller pulley size, 3.4 lowest i'd want to go.
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  14. #54 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    I live here. brandonl2000's Avatar
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    headers=u-bend delete.
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  15. #55 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
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    Headers will include the ubend delete.
    CAI would be a good mod.

    Forget ZZP 1.0 with 3.4 pulley, MAYBE with 3.6 pulley.
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  16. #56 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    GTX Level Member JDrach's Avatar
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    will i still see a nice increase in torque with a 3.6 pulley?
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  17. #57 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    I live here. brandonl2000's Avatar
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    hell. a tune alone wakes the car up really nicely. stock tune is just soooo mild.
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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  18. #58 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
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    Quote Originally Posted by JDrach View Post
    will i still see a nice increase in torque with a 3.6 pulley?
    Definitely.
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  19. #59 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
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    Quote Originally Posted by brandonl2000 View Post
    hell. a tune alone wakes the car up really nicely. stock tune is just soooo mild.
    It's not mild.

    It's safe.
    Keep in mind the stock tune was made for joe blow who drops in 93 when he got paid and 87 when he's on his last $20.
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  20. #60 Re: 1999 Grand prix... Looking to run a 3.4 pulley 
    I live here. brandonl2000's Avatar
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    mild, safe, pick your adjective.

    but yah lol. its a wonder the only part of the car that even says "put 93" is the manual. i figured they'd put it on the gas door for dummies.
    2003 Grand Prix GTP-3.5 setup, sold it, miss it
    2002 Grand Prix GT-top swap, GT1 Cam, SD Headers, 90# springs, 42.5 injectors, 3.4 pulley - sold
    2012 Chevrolet Cruze LTZ-Summit White, 1.4Turbo
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