Guido you may want to look at the OP again. This motor has not been recently worked on but has a slight oil leak which he wants to try to eliminate by torquing the head bolts. Though it is not likely to work, I believe that he has very little to loose so why not? I think that most of us here agree that after a few years of working and heat and cool cycles that nuts and bolts in use pretty much anywhere on pretty much any machine that heats up with use will tend to get a little stuck or, if you will, held by more than just the normal stretch of the bolt. So when you combine the friction added to the stretch, it is highly unlikely that any bolt will break loose and move one degree of clockwise rotation. Whereas if bony first eliminates the added friction with just a 3-4 degreee counterclockwise movement, and then goes to torque spec. clockwise, he will probably gain a little here and there and possibly even stop the leak.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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