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Thread: Any guesses on what my 91 obs with 4.8 swap will do stock before cam and turbo?????

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  1. #1
    Join Date
    Sep 2008
    Location
    Arizona/Utah
    Posts
    3,939
    15.8
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

    waiting to go in... 3.90s, 214/220cam

  2. #2
    Join Date
    Feb 2011
    Location
    Fort Worth Texas
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    143
    16.7

  3. #3
    Join Date
    Jan 2014
    Location
    Las Cruces NM
    Posts
    209
    What state are you running at?

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