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MC91B1 rod, piston, wrist pin assembly
#24
my puller is a 1/4" nut tapped to 5/16" thread inside. It travels through the bearing and rod eye when pulling. Knock the edges off the nut and check for fit. A long 5/16" TAP bolt with a nut through a thick alum block so you can counter sink a hole for the wrist pin to travel into. I do not press the pin back in. have a 1/2" bolt turned down so part of it fits into the pin for guiding. Tap into place after freezing the pin and warming the rod with a heat gun. Hardwood block with a curved area to fit the piston for support. Lube the bearings and the pin when tapping into place.
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RE: MC91B1 rod, piston, wrist pin assembly - by steve welte - 05-21-2020, 11:45 AM

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