The reason you are not supposed to lubricate lug nuts is not because that may allow them to come off. As mentioned above a bolt depends upon stretching to maintain enough force to keep it from loosening. Different type of lubricant will greatly vary the amount of torque that needs to be applied to a fastener to attain the correct stretch. The only way manufacturer can be assured the the proper amount of force is applied is to is to have a uniform method of tightening the fastener. Specifying clean, dry threads is one way to accomplish this.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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