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Re: Measuring rod and crank bearings
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Posted by Ray,IN on June 07, 2004 at 21:13:47 from (66.244.71.197):
In Reply to: Measuring rod and crank bearings posted by steve on June 07, 2004 at 20:25:26:
Start with your dial calipers, and insure they read 0.000 inches fully closed. I assume they read in inches only. The beam is marked in inches containing ten divisions equaling 1/10 of an inch each. Read the beam then add the dial reading behind it. For example: you read 1 inch and 2 tenths(2 of the 10 marks within the second inch), add the dial reading behing the beam reading like this 1.2(dial reading) inches. It's been a long time since using plastigage but I think you place a piece of it in the rod bearing, install the rod cap using the proper torque setting, remove the rod cap and read the plastigage width by comparing it to the scale accompanying the plastigage kit. The torqued rod cap squashes the plastigage consistently to the same width to reflect the clearance in thousandths of an inch each time and is very accurate- but no more so than the accuracy of the user.
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