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Compressions/Leakdown Test results
#4
yes the piston rings do fail. if head off, you see a slab of carbon thick top of piston
the engine was run in limphome forever.
or FPR was bad and ran rich as a pig forever. idle PSI is 10psi less than WOT, PSI, when failed if PSI is at WOT pressure all the time the FPR is stuck closed.
the carbon progresses to the lands. (piston)

and packs the rings up. and they sure can stick compressed and leak bad.
is the CAT missing if not the rich conditions make it glow RED hot and melts it and no engine power like that.
http://www.fixkick.com
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RE: Compressions/Leakdown Test results - by fixkick - 02-27-2024, 01:24 AM

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