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  1. K

    The Diesel Jeep Build

    I bought a used 4bt from a similar vehicle, like an old bread van, my nephew and I did the swap in his back yard. Shot from the hip on the entire swap with no support. I built the engine mounts for the frame to use the stock engine mounts from the Cummins. It was just an old kick around jeep...
  2. K

    Tire size vs actual speed & RPM

    1988 Jeep YJ... what was the speed difference vs RPM ( actual not speed odometer) after increasing from stocks to 35's ? I'm not concerned with power nor difference in speed odometer. Example: stock tires 65mph/2200 rpm 35's 65 mph/ ??? RPM I know there are calculations, I'm just trying to...