so i was doing a final overcheck of my engine before i installed it and was turning the crank bolt to make sure timing wasnt going to skip a tooth or anything and the crank only turns about 1/2 to 3/4 then stops and wont turn anymore even with all my weight on the breaker bar it wont move anymore. i bought the engine from a guy in spokane but i now think i bought a $500 paperweight instead of a replacement engine. Was wondering if anyone could have any ideas to why this is happening

 

mine does the same thing...... the bent rod jams on the inside of the block.... i know that not what you wanted to hear, but good luck.

 

yep sounds like a bend/broken rod or spun bearings jammed up. Best bet is to pull the pan to check it out

 

yea i pulled the pan tonite didnt see anything that looked wrong but im gonna take another look tomorrow, would a valve stuck open do the same thing or would it do something totally different?

 

you do have your spark plugs out right? I bought a 22 re from someone for parts who swore up and down it was seized cause he couldn't move it with a breaker bar, but when I threw a battery in it, it cranked over nice and easy.

 

Something is binding, a stuck open valve would not do that. A Stuck closed valve would, but it'd have to be stuck pretty good, I have no idea how.

My suggestion is to check the cylinders through the plug hole, could be some foreign material in there.

 

yes the spark plugs are out of it going to work on it some more tomorrow hopefully figure out what the problem is, anyone know of any good rebuild kits, probably gonna be rebuilding my old motor and this motor now