Cummins 4BT & Diesel Conversions Forums banner


  1. Rusty the Thiokol Spryte 4bt mechanical/Allison AT545 combo powerplant (long slow build)

    Buildup Showcase Threads - All Engines, Vehicles
    Hi guys I thought I would get a thread started for my build since I will be sourcing a 4bt mechanical at some point in the future and may need help. I am not after a ton of power but rather reliability being the key factor. This a common swap in a snowcat community and I am here to learn. I...