Originally Posted by Papa Tiger

Odd are it retarded and the valve is OK. I always liked to lock the crankshaft in place so it doesn't turn so easy. Than when you unllock it and and turn to top dead center for each cam timing all line up. Turning the crank backward loosens the chain and allows it to sometimes jump a tooth? Really a bugger with belts too. Sometimes holding the cam is good too. You want your light colored links to face you so you can see the timing on the marks of the sprockets.