I'm looking at putting a 4BT cummins into my 77' power wagon. The truck is a simple standard cab 4X4, factory 318 automatic.
The 4BT I was looking at is out of a 90' bread truck. It is complete with all the accessories, but I need to know how to install the the tranny. It has a flywheel on it now, so thats no good to me since I got an auto. I can have someone custom make motor mounts, thats the ''easy'' part. So I was thinking, if I could find an early 6BT from a 89-93 truck thats an automatic, grab the bellhousing, flexplate, and torque converter, will that work? Are they the same? I'm pretty sure those early cummins trucks used TF 727 trannies. Also I was wondering about like input shaft splines, are they the same? I kinda need all this info before I go buying this engine, because that would suck to buy it and then it not work out.
And in case you are wondering why I am choosing a 4BT over a 6BT, it's because of the weight of the 6BT and the amount of torque a 6BT would put out will probably rip my truck in half! LOL
I plan on atleast putting on an HY35 turbo to replace the crappy H1C, and it has the early rotary pump so I can just turn up the fuel to compensate. A 3'' exhaust system will be in order, and that will probably be about it.