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 - Tractor Profile: Case VA Series - by Staff. V, VC, VI and VO). Althouh the Case VA looked much like the V, it shared no major components with its predecessor. Except for military units, the production of the Case VA was interrupted in July of 1942 due to World War II. It resumed again in 1944 and continued until 1953. It started up briefly later on in 1953 and continued on a very limited basis until 1956. The VA Series included the following models: VA: Fixed front wheel tread VAC:
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