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Thread: LS2 intake on LS1?

  1. #1
    Tuner
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    May 2004
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    LS2 intake on LS1?

    Anyone know if they fit OK, or what it takes to make them work if they don't? Looking at buying one since I have the old style. Are they any better than the LS6s?
    98\' T/A, filter/lid, Comp 212-218, 85mm MAF

  2. #2
    Advanced Tuner Screamn03's Avatar
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    Feb 2004
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    Re: LS2 intake on LS1?

    LS2=90mm throttle body support and a different bolt pattern. I've heard something about them being plastic welded together and being kinda rough inside. They're cheap though, I think like 299.00. Check out www.ls1tech.com under the LS2 section for more info about the motor and related parts.
    -Mike
    -Michael Rudolph-
    2003 Redfire Cobra
    Eaton Powered to a:
    11.301 @ 129 1.68 60' MT DRs
    11.85 @ 124 1.90 60' street tires

  3. #3
    Tuner in Training
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    Re: LS2 intake on LS1?

    I have had one of these for 4 months now. They will fit the LS1/6 For an F body it will take a FAST throttle body. The MAP sensor is up front so wiring needs an extension. No provisions for a throttle cable bracket. Needs different fuel rails.

  4. #4
    Tuner
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    Re: LS2 intake on LS1?

    What kind of gains did you see with it? I've heard it was 30% less restrictive but I don't know which intake it was compared to though, LS1 or LS6
    Victor&&99 T/A WS6 &&TEA 5.3 heads, 224, .581 112, Mac Mids, ORY, SLP Loudmouth, SLP Flowpac, ASP pulley, BMR PHB, LCA\'s w/relos., SFC\'s, Vig 3600 w/ 4L65E,deep pan, B&M transpak, Hayden trans cooler

  5. #5
    Tuner in Training
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    Re: LS2 intake on LS1?

    LS2 intake has the sensor mounts relocated as the LS2 engine has them in different spots. Your TB will be tilted slightly up, and there is no mounting for the throttle cable as the LS2 is "drive-by-wire".

    I haven't seen any data comparing the two, but the LS1 intake would be a direct bolt-in, where as the LS2 intake would require some extra work and probably wouldn't look as clean under the hood.