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Austin Gurley

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  1. Austin Gurley
    I have recently purchased a 89 Mack super liner with a e6 350 and Mack 9 speed, I use the truck to move equipment from job to job dozers excavators etc... truck really lacks power my old r with 300 and a 5 speed with pull about as much, suggestions on power increase?? I have also thought of an v8 Mack swap how hard would this be?

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