Quote:
Originally Posted by OwlDance
Most of the UOA reports I've read here mostly boil down to "X is a little high but everything looks great despite track/autox/ extremely high oil temperatures/low oil pressures, go for [more than manufacturer recommended 7500 miles]." It's hard (for my untrained eye anyways) to get a clear picture of what are the safe limits of the car under most circumstances. It's also disconcerting to hear people who have tracked their car without oil coolers and have thus far been totally fine.
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That's because failures happen between UOAs. Friends of mine run a lemons car with a sub-par v8. They just replaced the inserts, gave the crank a quick once-over with some sandpaper, and started taking samples at every event. IIRC, it's been like
trace metals
trace metals
trace metals
copper through the roof
bang
I think they have it down to where they can catch it in time.