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LS1 stock heads... what #s can they run?

This is a discussion on LS1 stock heads... what #s can they run? within the External Engine forums, part of the LSx Technical Help Section category; im looking into getting a LS1 car and if i do my plan is to do every bolt on plus ...

  1. #1
    Member drewhenderson13's Avatar
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    Apr 2007
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    Dark Blue
    2000 S-10

    LS1 stock heads... what #s can they run?

    im looking into getting a LS1 car and if i do my plan is to do every bolt on plus a 200 shot of nitrous and leave it stock bottom end stock heads.

    i want to build a budget car to show everyone what putting bolt ons and leaving the main engine parts stock can do.

    ive alreeady researched it and for the most part know exactly what i want, just havent figured out the actual numbers for the cam and stall and all that shit yet, i figure i can wait till i actually buy an ls1 first

    cam, fast intake, 90mm throttle body, air lid, pace setters, 200 shot N2O, stall, shift kit, 3.73s, 15" welds with good tires and skinneys in front, v6 springs in rear, control arms, sub frames, roll bar.

    im gonna try to get away with leaving the trans and rear end stock for as long as i can.

    so does anyone have this set up? what kinda #s u think this shit will run?
    im bored so i figured id stimulate some conversation

  2. #2
    Senior Member mrr23's Avatar
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    Jul 2005
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    orlando, fl
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    dark bowling green
    2000 corvette

    here you go. completely stock motor from TB to exhaust manifolds and 250 rwhp of nitrous. had to cut the run short due to fuel pressure dropping. on a straight 200 rwhp shot, i went 11.262 @ 122.78


  3. #3
    Senior Member bills98ta's Avatar
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    St Thomas, PA
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    White
    1998 Trans Am

    At the moment, my 98 is stock bottom & the stock heads are ported to the max, with a 150 dry shot, I average 10.90's... Best run on good air 10.73 @ 126mph. Car still weighs in at 3640 lbs empty. Not bad for stock with bolt ons !!!
    As far as the rear, you will need to upgrade !

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