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Thread: New LS1 Crate engine?

  1. #11
    Join Date
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    Don't forget about Torque my friends. TQ > HP
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

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  2. #12
    Join Date
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    Originally posted by BlenderWizard@Jun 18 2005, 05:42 PM
    The 5.3 is rated at 295 HP, and the LS1 is rated at 320 HP. These are stock numbers, and that's what i was going by.
    Actually they are rated at 350 HP from the crate. =)
    http://denial.clanned.net/truck/stsig.jpg
    2001 GMC Sierra 1500 Sportside: Project esoteric

  3. #13
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    Originally posted by c.nash+Jun 18 2005, 10:35 PM--><div class='quotetop'>QUOTE(c.nash &#064; Jun 18 2005, 10:35 PM)</div>
    <!--QuoteBegin-BlenderWizard
    @Jun 18 2005, 05:42 PM
    The 5.3 is rated at 295 HP, and the LS1 is rated at 320 HP. These are stock numbers, and that&#39;s what i was going by.
    Actually they are rated at 350 HP from the crate. =) [/b]
    Not according to GMpartsdirect.com Take a look: http://www.gmpartsdirect.com/performance_p...CATID=1099.html

    2002 ECSB, Nelson Tune, LS1 electric fans, 145A alternator, K&N FIPK, 160º T-stat, TB coolant bypass, Corvette servo, 4 headlight mod, blue LED gauge cluster

  4. #14
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    Thats odd.. Most sites I&#39;ve seen 350 stock, and I also saw it on TV today saying it was 350 stock. (xtreme 4x4 on Powerblock)
    http://denial.clanned.net/truck/stsig.jpg
    2001 GMC Sierra 1500 Sportside: Project esoteric

  5. #15
    Join Date
    May 2004
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    2,120
    The 345/350 HP is correct because the stand alone engine comes with the vette cam and exhaust manifolds where as the F-body doesn&#39;t. The F-body HP ratings are 325 HP with the RAM AIR and 315 HP without.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  6. #16
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    Originally posted by Vortec383@Jun 19 2005, 05:07 AM
    The 345/350 HP is correct because the stand alone engine comes with the vette cam and exhaust manifolds where as the F-body doesn&#39;t. The F-body HP ratings are 325 HP with the RAM AIR and 315 HP without.
    Ah

    2002 ECSB, Nelson Tune, LS1 electric fans, 145A alternator, K&N FIPK, 160º T-stat, TB coolant bypass, Corvette servo, 4 headlight mod, blue LED gauge cluster

  7. #17
    Join Date
    Oct 2003
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    473
    Originally posted by RedHeartbeat@Jun 18 2005, 03:33 PM
    An LS2 is available from GMPartDirect.com, also. They have 400 hp straight out of the crate. They are equipped with the LS6 style heads. The LS2 is not much higher than the LS1 and it comes with a stand-alone type wiring harness that is something like a 4-wire hookup. Add an LS6 intake for about 15 hp more for &#036;400 then add some long tube headers and you&#39;re ready to rock.
    Are you sure the LS2 is taller than a 346 LS1? I think it&#39;s the same casting. Does&#39;nt an intake come on the LS2 from GMPartsDirect? I don&#39;t think it comes with a harness either. Straighten me out on this. Gar

  8. #18
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    Higher in cost, not dimension. GMPD doesn&#39;t supply a harness and PCM with the LS2 but you can use the LS1 harness and PCM if you have it and the LS1 throttle body. I&#39;d go to SDPC2000.com and get their engines. GMPD screws you on S&H.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

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