Most of you know I have a 1956 261 truck engine that was stuck tight in a car I purchased. I've pulled the head and cylinders are nice and shiny. The lifters were stuck but all are now free. Since I still can't pull, push stuff (heart surgery) my nephew has been helping a little till I can do stuff my self. (He is also a lifelong mechanic)
Problem: today he put the starter on just to spin the motor a little but it just would not budge. Got under the car with a flywheel wrench and a pry bar. The engine will turn about 1/2 round and stop....then turn back the same distance.
Anyone got any idea what is going on. The cylinders are clean/shiny and we lubed them good, the lifters are out, the driveline is not hooked up but it does have the clutch and stuff in it.
This is a new rebuilt engine, never started and when I pulled the head off it has all new stuff...blah blah blah...


I guess its time to pull the bottom pan.....or can anyone think of something else. The timing cover is on but I can't see it being a problem. The engine is still sitting down in the car but it'll be easy to pull. What say the 261 experts......oh, does the 261 rod bearings have a notch in them? Just curious right now.
Opinions please.

Last edited by Achipmunk; 12/01/2014 5:46 AM.

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