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LS1 Guys...Need Help Fast!

This is a discussion on LS1 Guys...Need Help Fast! within the Internal Engine forums, part of the LSx Technical Help Section category; I'll start off by saying that all i've ever built were LTX motors. I have some knowlege of the LSX, ...

  1. #1
    LTX N20LT4's Avatar
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    LS1 Guys...Need Help Fast!

    I'll start off by saying that all i've ever built were LTX motors. I have some knowlege of the LSX, but not as much as you guys. My buddies '01 Trans-Am threw a rod a few months ago, and the motor is now sitting at a local machine shop waiting to be built. The owner is ready to grind the cam, but we don't exactly know what cam to go with? The car has the following mods:

    Bored .020"
    6.0 LQ9 Heads (mildly ported)
    stock Z06 Intake
    Lid/Ported Throttle Body
    QTP Long Tubes/ORP/Dynomax 3" Bullet
    Yank 3800 stall
    stock 3.23 gears at the moment, but soon 3.73's

    The conditions are basically that it has to pass smog (California) and have a decent balance of street/strip performance. And what injectors would you recommend?

    Anyone have any suggestions? He told me to mention that he wants as choppy as an idle he can get. Thanks a lot guys for the info!

  2. #2
    LTX N20LT4's Avatar
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    Sorry about that guys...wasn't thinking. Cam...internal...yes.

  3. #3
    member since may 2000 nhraformula's Avatar
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    black
    2000 nhra edition formula

    to pass cali emissions, you cant go bigger than a 224/224 and it has to be on a 114 lsa or wider.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

  4. #4
    LTX N20LT4's Avatar
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    Quote Originally Posted by nhraformula View Post
    to pass cali emissions, you cant go bigger than a 224/224 and it has to be on a 114 lsa or wider.
    Welp, so much for the big lope. What type of power output would you estimate with that type of cam on top of the supporting mods?

  5. #5
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    224 is actually a very good cam. alot of guys in the 10s on that "old" grind.

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