Cub rod knock, oiling problem

Posted by Steve Sawyer on January 22, 2007 at 21:34:49 from (67.72.98.45):

I resently purchased my first cub, a 57. It sat for a long time, Got it running with a manifold with a hole in #4 exhaust runner. After getting it to run I replaced it with a good manifold. Now that it is quiet I noticed some faint rod knock. It may have run the engine a total of 3 minutes. OIl guage doesnt work. I pulled engine apart and out of tractor. #4 rod & #2 rod journal have slite grooving,but are tight. Everthing else in engine looks good, including cylinder walls. The insides of the crankcase and all the inturnals locked very dry, Something you wounldnt expect from an engine that had just been running a few hours before. I didnt measure it but there was quit a bit of crank end play. After reading on this site about cub oil pump priming problems, I started to wonder if all that was wrong with my engine is that it lost its oil prime. Did I tear it apart for nothing. Guess I shoulda read up on this sooner. I have found a lot of good info on this site And appreciate All the responses I have received to my past questions. Any input?

Replies:

• Re: Cub rod knock, oiling problem El Toro 04:08:38 01/23/07 (0)

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