Goose: I'll take a chance in adding that when I use Plastigauge on the mains, I will use a very small jack and a large wooden dowl or a 1X2 to push the crank up just enough to make sure it is against the top bearing. ( guess the weight of the crank) This helps put all the clearance into the reading you will get on measuring the bottom bearing. I also tend to "try" and look for the most wear area on the crank to measure. Might as well look for worst case clearance... I was told by several machine shop guys that worn mains have the most surface so renewing them might be enough.. I also seem to recall that if you have standard bearings, there are replacement bearings that are just .002 larger to save grinding a crank.. but all this info was learned decades ago so maybe there are no .002 larger mains sold any more..?
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Today's Featured Article - The Great Escape - by Dave Hollrah. It all began Monday with a little baling of second crop on the lake shore field, and as I drove out past my sister and her hubby's place, this small calling sound could be heard from the general direction of their manure pile. Out of the yard, over the cows and bale piles, through the dozer piles, poplars, and brush, out onto the ditch grade road, past the noisy 6.2 diesel engine pulling my well traveled Suburban along. Well it sure didn't take me long to figure out what it was because I alrea
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