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Bare LS1 vs Bare LS2

This is a discussion on Bare LS1 vs Bare LS2 within the Internal Engine forums, part of the LSx Technical Help Section category; Got a question for all of you saltly dogs... Can I buy a bare LS2, bore it .030" over (408 ...

  1. #1
    Junior Member dougcw's Avatar
    Join Date
    Dec 2005
    Evansville, IN

    2002 Trans AM WS6

    Bare LS1 vs Bare LS2

    Got a question for all of you saltly dogs... Can I buy a bare LS2, bore it .030" over (408 cid), buy a 4.030 x 4.000 rotating assembly, slap some AFR 225s on top, build the rest of the motor with LS1 parts, and put it in my 02 WS6? Will everything plug right in? I can't remember if it's that easy or not? Surely there is some catch?
    Mods: FAST 90mm, Nick Williams 90mm TB, TR 230/224 .581/.567 111 LSA, CC 921 springs, Hooker LTs, Hooker ORY, SLP Loudmouth, Eibach Pro Kit, Billstein HD, Baer Eradispeed, Whisper Lid, BMR SFCs, BMR Adj. LCAs, BMR reloc. brackets, HPTuners. 418HP/390ft-lbs rearwheel on a DynoJet.

  2. #2
    Grand Imperial Wizard Sarge's Avatar
    Join Date
    Aug 2005
    Texas Department of Corrections
    Retired Outlaw Sum Bitch

    No. The knock sensors are different...the throttle body electronics is different....few other things I cant remember off the top of my head....much easier to go LQ9 if your wanting to reuse your LS1 parts....

  3. #3
    Member cailey37's Avatar
    Join Date
    Mar 2006

    1998 Pontiac Trans Am dont want to bore the thing .030 over....I dont think you can put the motor in just have to make the wiring longer for the knock sensors.....I did'll have to use your throttle body.....but the intake, fuel rails, injectors, everything else off your LS1 will bolt on......

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