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  1. #1
    Join Date
    Jan 2009
    Location
    Augusta, Ks
    Posts
    3,246
    Factory compression should be about 9.5.1 butwith flat tops and milled heads I would expect it to be over 10.1
    2000 Silverado ECSB- 5.3 CAI, Pacesetter LTs, ORY- Pipe, Magnaflow XL, E-fan, Ported T/B , Nelson Tuned, Built 4l60e, Circle D Stall, 3.42s G80, 2-4 Drop, Hertz Highs, Rockford 501s

    2004 Buell XB12s

    Quote Originally Posted by LamboDoNoMo View Post
    "Never give up, NEVER BACK DOWN!!!"

  2. #2
    Join Date
    Aug 2007
    Location
    Gramercy
    Posts
    945
    Quote Originally Posted by WARLOCK View Post
    Factory compression should be about 9.5.1 butwith flat tops and milled heads I would expect it to be over 10.1
    i wonder what compression i be at...hmm i guess we'll see! i know ill have to upgrade pushrods
    the heads will be finished tonight
    2008 GMC CCSB 6.2/6L80e swap
    Gen IV 5.3/60e swap 1994 ecsb W/T

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