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Old 06-02-2016, 10:39 AM   #17
katy
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Join Date: Jun 2015
Location: Red Deer, Alberta
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Default Re: Rebuilder out of business and I know why

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It took some doing but we did get it going and it ran fine...that is until we turned it off. When that happened we couldn't get it restarted until it almost totally cooled down.
I've seen this happen a few times, it was caused by the rings end gap being too small. Rebuilder said "you don't need to check the gap on new rings, they're factory set".
THAT'S NOT TRUE, EVERY ring has to be checked in it's individual cylinder.

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What is the ring gap set at?
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Did you check the .030 ring end gaps?
Ditto on what Larrys40 said:

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My druthers would be to NOT run undersize pistons but to disassemble and hone the block to the proper piston fit... then reassemble with new rings.
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