Quote:
Originally Posted by longbed67
Well the first major change was switching from the turbo'd 250 motor and 4 speed to a Cummins 4BT Recon motor and matching NV4500 trans with a twin disc mating them. I have since upgraded the OEM turbo from a 18cm H1C holset with a 42mm compressor to a 12cm H1C with 54mm compressor so a 40% upgrade in turbo size, I am currently fabricating a ram air intake for the turbo to further increase efficiency, and have advanced the motor timing. I am also currently upgrading the entire air suspension from our own control system where I ended up having some valve issues to a full accuair e-level system.
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You ought to go over to 4BT Swaps and do some looking into the Super HX30W...