My samurai motor is a 98 ahu tdi, with a mechanical pump. A while back, I did something stupid, I ground down the back snout of the crank shaft to put the flywheel on for the suzuki transmission. Problem is, I took too much off, and long story short, had to replace the crankshaft. I did all brand new bearings, bolts, seals, and everything in between. Then, the engine sat, unstarted, for a few months. Fast forward to now, I'm about to drop the motor in, but first, I wanted to bench start it. I filled it with oil, put on the starter, primed it, ran fuel line to a tank of diesel, and hooked up a set of jumper cables to try to start it. Nothing happened except starter clicked. Confusing, I got the starter from a junk yard, so I thought maybe that was the problem. Tried to turn it over by hand, and it feels locked up. I turned the engine over by hand with a ratchet about a month ago in my garage, and it had strong compression, was hard to turn, but now, I can't even turn it by hand with a breaker bar on the crank. Motor ran perfect when pulled from the donor car, everything was torqued properly, but I'm at a loss as to where to even begin. I did use oil assembly grease when I put it back together. Ideas on where to start?