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Here is the second analysis I have had done on my cessna, the first one is only hard copy and is in the log books so I will dig it up some time this week to post the actual numbers. This is the original 1981 engine with around 1400 hours on it. I have put around 250 hours on it this year, wear...

Hello, This is my pontiac GTO (62.5k) that is drag(with N20 and race gas), and road raced often, always boutique or top not fluids changed at 3-5k intervals since I acquired it with 20k miles. The results are showing some metals, however with this as a caveat: At 59k I put new cylinder heads...