marshg246
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- Joined
- Jul 12, 2015
- Messages
- 4,147
I'm rebuilding a basket case that supposedly had the crank ready to install. Not trusting that I checked and the conrod nuts were finger tight as were the crankshaft studs. So, I took it all apart for inspection. The journals are beautiful and there are new shells. That's where the good stops. The conrod bolts are easy to put in and remove from both the conrods and bottom part - not used to that - I think someone reamed the holes. The bolts a snug but an easy slip fit. That's not the worse part.
The six studs are loose in both crank cheeks and the flywheel. I've seen the bottom and middle two be an easy slip fit but the top to are normally quite tight in the holes. I assume that between the bottom peg and the top two studs, the crank cheeks are located. I estimate that there is about 0.001" all around the studs.
Do you think the crank is usable? How about the rods?
The six studs are loose in both crank cheeks and the flywheel. I've seen the bottom and middle two be an easy slip fit but the top to are normally quite tight in the holes. I assume that between the bottom peg and the top two studs, the crank cheeks are located. I estimate that there is about 0.001" all around the studs.
Do you think the crank is usable? How about the rods?