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Thread: Should I change gear ratio?

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  1. #1
    Join Date
    Aug 2007
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    1,105
    Quote Originally Posted by Timmer1 View Post
    You guys are running 2100 rpms at 70 mph? I'm running just shy of 2000 rpms at 70 mph. Maybe my transmission is lower geared.
    that OR a bigger over all diameter wheel and tire combo
    2009 CHEVROLET 1500 with a MONSTER 4.8 between the frame rails!!

    Tuned by LSX Powersports ~ 4.10 ~ JBA Shorties ~ 4" Inlet/Outlet Spintech ~ Airaid Coldair
    CST 3.5" Spindles ~ Camburg Upper Control Arms ~ 2.5" CCM ~ FFR Tie Rods
    Full Throttle Suspension 3" Lift Blocks ~ Soft 8s wrapped in LT285/70/17 Silent Armors

  2. #2
    Join Date
    Nov 2007
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    THE MEAN STREETS OF OKLAHOMA
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    11,120
    my over all tire is 31.25 inches,and if your transmission is lower geared then you'll run at a higher rpm, i didnt really notice much on the change of the rpm's as much as i could feel it in the torque once you hit 75-80 it raps quick and your gonna top out at about 122. but who cares you'll be through the 1/4 by then
    Last edited by Botlfed; 12-13-2007 at 07:06 AM.
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