Originally Posted by
NitroWD
1. 'sometimes' it's the crank shaft that's 'abit' too short
2. the 'cone' is not letting the flywheel sit close enough to the engine front bearing.
3. the thrust bearing retainer/holder is too short.
Yep, I have seen all three. Had an OS with a short crank. Couldn't use a brand new shoe on it so I saved old but still good ones just for that motor. I have seen cones that can stick the flywheel out a full 1mm or more and I once had a guy bring me his motor/clutch with the same problem. I tried and tried to figure it out. Finally the guy pitting next to me (might have been Pooh) told me to measure the holder. It was about .4mm shorter than most of mine (I had three or four in my parts box), and one of mine turned out to be .2mm shorter than the rest.