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ls2 6.0 swap 370CI or 408CI

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  • #1

    ls2 6.0 swap 370CI or 408CI

    What is needed to take a stock 6.0l block ls2 and make it a 370ci or a 408ci motor?
    Tags: 100, 402, 403, 408, 6.0, block, crank, good, leave, lots, ls1, ls2, make, meat, motor, needed, piston, pistons, reason, rods, run, stock, stroke, stroker, swap
  • #2
    Lots of $$$$. Stroker crank rods pistons
    When in doubt, Whip it out !

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    • #3
      370 is stock crank. 408 is 4" stroke crank. Depending on goals, there's no reason to run the 408. Stock crank is good for over 1000hp
      -08 G8 GT DD: Rotofab CAI, HID's, Breyton Race GTS'
      -86 Iroc Project: LQ4, Th400, S400, Ford 9"

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      • #4
        LS2's are normally 402/403 - to leave some meat on the cylinders.

        Iron 6.0's go 408.
        2000 Formula
        fixed slow junk

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        • #5
          Eh just build this.

          http://ls1tech.com/forums/dynamomete...-1000hp-n.html
          Originally posted by Yoshi94
          Mines about an inch bigger than Kyles. I need to get one of those
          Originally posted by ryanwarby01
          Put it this way, if you have a money tree a LT1 is a wood chipper!
          sigpic

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          • #6
            To get a 6L out to 370ci take boring it .030 over. This would require resleeving it correct, being that a LS2 is an aluminum block that has iron sleeves? Same with the 408, its a 4.00" stroked 4.030" bore.

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            • #7
              I think the aluminum block can be bored out .030 with out issue. Correct me if I'm wrong

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              • #8
                Originally posted by riderman329 View Post
                I think the aluminum block can be bored out .030 with out issue. Correct me if I'm wrong
                you are correct, no resleeving necessary.
                Doing less with more


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                • #9
                  Are rod sizes still the same 6.125"?

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