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C

CactusBif

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    My 81 has CC 3.31 Trac-Lok, and I have 2.5” lift with Rocky Road YJ spring conversion. I’m running 33x12.5 15R, and I have the I6 258 4.2. When going uphill she boggs down, and loses speed. I end up letting folks pass on mountain roads. What gears will allow me to get better MPG and have 4th pull me up the hill?
    bigwalton
    bigwalton
    You made a "profile post" that's really not going to get seen here. You need to go into the drivetrain subforum and make an actual forum post there.

    There are online gear ratio calculators that you can use if you search online, you plug in transmission ratio and tire size and get different RPMs at highway speed with different gear sets.
    jbeshears
    jbeshears
    What transmission do you have?
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