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      09-07-2013, 11:32 PM   #167
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Drives: Sprint car
Join Date: May 2013
Location: California

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Today we disassembled an engine in preparation for a bigger project. Engine was 2008 with 30,000 miles. Four or five of the bearings showed excessive wear, and one with small amounts of copper showing around the edges. After disassembling the motor, I measured all of the rod journals, but due to time constraints didn't measure bearings. All I can offer right now is a single measurement on the #1 piston/journal:

Journal: 2.04645
Rod bore: 2.04770
Clearance: 2.04770 - 2.04645 = 0.00125"
Bearings: Clevite 088/089's

I don't know if or how bearings are supposed to thin with miles (kawasaki00?). After 30k miles, this engine only had 0.00125" clearance on the #1 piston. Ironically, the #1 piston was one of the best looking bearings of the bunch.

At some point I think the car owner will want to share the photos, but for now, this is all I can share. By next week, I'm sure I'll get the rest of the measurements as well.
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