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400 rwhp

This is a discussion on 400 rwhp within the GTO forums, part of the Vehicle Specific category; I have a 04 GTO and i am wanting to make about 400 rwhp. All i have now is a ...

  1. #1
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    04 GTO

    400 rwhp

    I have a 04 GTO and i am wanting to make about 400 rwhp. All i have now is a CAI but this summer i can thorugh down some cash. What does it take for the ls1 to put down these number. NO nitrous.

  2. #2
    NY Representative basballny2's Avatar
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    2001 ws6

    Long tubes, exhaust, cam, tune....that should be around 380-390 are u a m6 or a4

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    i have the m6

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    United States Marine Kamauxx's Avatar
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    Blazen Orange Metallic
    2006 GTO

    Quote Originally Posted by basballny2 View Post
    Long tubes, exhaust, cam, tune....that should be around 380-390 are u a m6 or a4
    +pulley and you're good!

  5. #5
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    about what will this setup cost me

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    NY Representative basballny2's Avatar
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    2001 ws6

    CAI=250, depends on the headers for price, however they all produce around the same hp, pacesetters 250, QTP, Kooks, ARH 600-800, exhaust i recomend magnaflow with the headers and cam it will sound real nice that will run you around 400, you can get a good cam for 300-350 and then if ur paying for labor

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    silver
    2004 gto

    I have a full exhaust (pacesetters ceramic coated) SLP Loudmouth, K&N CAI, and have a HP tune and have about 430-450 to the crank so yeah probley a lil lower then 400RWHP

  8. #8
    NY Representative basballny2's Avatar
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    2001 ws6

    Quote Originally Posted by slpgto2004 View Post
    I have a full exhaust (pacesetters ceramic coated) SLP Loudmouth, K&N CAI, and have a HP tune and have about 430-450 to the crank so yeah probley a lil lower then 400RWHP
    on an ls1? no where near 430-450 at the crank.....ull dyno around....340-350 ......how do u figure ur hp?

  9. #9
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    this is also a daily driver what is this setup going to do for that. (gas mileage, idle, streetability)

  10. #10
    Need Sand ??? Naf's Avatar
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    06 Chevy Caprice HT (RIP)

    Best Bang for buck would be the GM CR5 heads Pn 88958622

    Plus throw in a nice GT2-3 cam from Lingenfelter with a Fast LSx 90mm and the usual accessories (headers, CAI, ignition wires, and a sweet set of plugs) and you will be makin well over your needed 400rwhp

    As for the exhaust catback, Stainless works works wonders, not too noisy on the outside and super quiet on the inside...Not to mention great price, Bought one for a friend and WOW...

  11. #11
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    With the GT2-3 cam, youre going to need heads also to get there, or a catback. Do both and you should get to about 420rwhp.
    I went with this cam for drivability. Heads, cam, springs, pulley, catless mids + tune = 392. Dyno waiting approval in racing section.

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