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Looking for 800-900 RWHP

This is a discussion on Looking for 800-900 RWHP within the Forced Induction forums, part of the LSx Technical Help Section category; ...

  1. #1
    Junior Member topgun1851's Avatar
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    '02 WS6 Procharged 9psi

    Looking for 800-900 RWHP

    I am looking for 800-900 RWHP for my í02 WS6 using the APS TT kit at roughly 10psi. I was wanting to know what would be the best engine and internals to go with (block, piston, cam, etc.). I know there will be many opinions, but thatís what Iím looking for. And explaining why you choose certain parts would be very beneficial to my cause. Thank you in advance for replies.

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    Member C&Cbird's Avatar
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    I don't think that kit will make 700rwhp with only 10 psi. That being said, what is your budget? That would help us out on what to recommend. I would get a 6.0 iron block, its strong, the cam I'm not sure about when dealing with turbos. Mahle make some good forged pistons and I know there are several other good brands, but I need an idea of what you are wanting and willing to spend.

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    Junior Member topgun1851's Avatar
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    '02 WS6 Procharged 9psi

    $$ is not a factor... im just looking for a good setup for not much more than 10psi to get around 800rwhp

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    Member C&Cbird's Avatar
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    I just don't see it happening on 10psi, your gonna have to run pretty close to 15 I think.

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    down with the lot lizards blackhawk01's Avatar
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    Quote Originally Posted by topgun1851 View Post
    $$ is not a factor... im just looking for a good setup for not much more than 10psi to get around 800rwhp
    can I have ur procharger

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    let the F-Bodies roll jimmybling31's Avatar
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    10psi will not do it. maybe with 15-18 and some badass heads, but not withjust 10. and i would say just about any forged internals would work. i don't really know about a block or anything though

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    Member C&Cbird's Avatar
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    A 6.0 iron block, a good set of ported L92 heads, forged internals with a stroker crank to make it a 408, and about 15-18 psi and you should be pretty close to your goals.

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    Member cailey37's Avatar
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    I just have that NAPA commercial in my head now. where the guy tells the Genie he wants a billion dollars and a pet monkey. lol.

    Okay, lets look at something here. You're wanting 800-900rwph. My first question is, is this a daily driver? You get up to that level and you're just about forgetting streetability. Now, you say money is no object. That's good because you're going to need a beefed up tranny, a moser rear to handle the power and oh fuel upgrades. You're looking at a good bit of money. Not just to build it but to maintain it. Things are just going to break.

    Now, the reality portion. I just dont see a twin setup making that kind of power at 10psi. You're going to have to boost it up. Why not go with an 88mm single? The only blocks I know of out there that have extra head bolts are the LSX and Warhawk. That's a difference of $1800 and $4500. The LSX are rated at 2500hp and great price. Just hard to find one right now....many speculate as to why but no one knows for sure.

    Heads, well I run Patriot Performance Heads. I can easily get over 800 rwhp out of them and they are priced right.

    Speaking of costs, you're going to want to look at an aftermarke ECM. 900rwhp is hard for a stock ECM to controll. I went with a Big Stuff 3 ECM. It's about 4-times as fast, you can get internal data logging, wideband O2's, and you can't beat the price. They sell for about $2800.

    Believe me, I'm leaving out a lot I know. It's just when you want this kind of power you better think about the rest of the things you'll need. The stuff above is just scratching the surface.......

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    Kenne-Bell Killer Cayenne97's Avatar
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    My bud Lorenzo's '02 35th puts down 1012-rw with a Vortech YSi/Snow Perfomance Meth-injected 418 LS1. Damn thing car scared me.

  10. #10
    used and abused at wot ibanez7's Avatar
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    everything you need to know is right here!!!

    Just call up or email Larry

    check there website...

    google search speed inc.


    Speed inc, has been building boosted cars (both turbo and charger style) for a long time. They know their shit.

    They can customize any build....

    ls2 blocks or lsx blocks can all be used.
    Last edited by ibanez7; 02-20-2008 at 07:12 AM. Reason: Link to non-sponsor

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    I'm building a 402 LS2 stroker with 12 psi from a Procharger - Thinking 800 at the flywheel - Is this possible with Factory ECM

  12. #12
    used and abused at wot ibanez7's Avatar
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    Quote Originally Posted by mghawk57 View Post
    I'm building a 402 LS2 stroker with 12 psi from a Procharger - Thinking 800 at the flywheel - Is this possible with Factory ECM


    you will need a FMIC, and the D1 procharger.

    You will definitely be stressing the factory PCM, but at the flywheel hp, yes you should be able to acheive that

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    Thanks - I have the D1 and was running 8 psi with a 6 rib - Bumped upto a 8 rib and the pulley took me to 12 psi - Broken piston ring lands and now redoing the motor

  14. #14
    TunedbyFrost.com Tuner Frost's Avatar
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    Quote Originally Posted by ibanez7 View Post
    You will definitely be stressing the factory PCM,

    What?

    The factory PCM will be just fine WELL past 800-900rwhp...

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    over 800-900 - Great - I was told the fuel system is the next upgrade - I have the 255 pump in the tank now - Thinking good to 800 - ??

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    TunedbyFrost.com Tuner Frost's Avatar
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    Quote Originally Posted by mghawk57 View Post
    over 800-900 - Great - I was told the fuel system is the next upgrade - I have the 255 pump in the tank now - Thinking good to 800 - ??
    heck no... about 600-625 rwhp with a pump booster, bigger harness, and a bunch of meth. You will be losing fuel pressure at that level too.

  17. #17
    Member cailey37's Avatar
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    Quote Originally Posted by mghawk57 View Post
    I'm building a 402 LS2 stroker with 12 psi from a Procharger - Thinking 800 at the flywheel - Is this possible with Factory ECM
    I'm going to throw my 2 cents in. While some will say the stock ecm is just fine, when you start getting up to that level it's just hard for it to keep up with the car. I've seen it. I run Big Stuff 3 and it's like 3 times as fast as the stock ECM and allows finer tuning than stock. The 98 ECM's are junk! the 99-02's are better but again, not for that level. You've got to remember, when you want that much power you want something that can keep up.....

  18. #18
    used and abused at wot ibanez7's Avatar
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    Quote Originally Posted by cailey37 View Post
    I'm going to throw my 2 cents in. While some will say the stock ecm is just fine, when you start getting up to that level it's just hard for it to keep up with the car. I've seen it. I run Big Stuff 3 and it's like 3 times as fast as the stock ECM and allows finer tuning than stock. The 98 ECM's are junk! the 99-02's are better but again, not for that level. You've got to remember, when you want that much power you want something that can keep up.....


    exactly....

    Big stuff!!!!!

    and Exile boost controller (turbo app only) are great to have.

  19. #19
    TunedbyFrost.com Tuner Frost's Avatar
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    There are a LOT of 1000+ HP 3-bar tunes on stock PCMs. Remember these are not stock operating systems, these are custom operating systems made for boost. The scanner is LIGHT YEARS ahead of BS3 and will allow for much quicker full tuning and will almost always be more driveable and start faster. BS3 does have closed loop wideband control at WOT though, reallllly nice there. Tiago made over 1400rwhp with his twin 76s LSX build and HPTuners 3-bar operating system/stock PCM and had great driveability. He is going bigger! I wouldn't endorse it if I hadn't used it so much.

  20. #20
    Member C&Cbird's Avatar
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    So if you have a 98 car, what are you supposed to do? I'm not wanting to do any crazy amount of hp, but I would like around 500 rwhp one of these days.

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