Synthetic oils

RustyDusty said

Tear down 2 engines after 100K one Synthetic, one Conventional! This may be the most absurd thing I've heard!

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learn to take better care of your engines. I tore down a propane powered 454 with 160,000 miles w/ conventional oil and it was so clean you can eat off of it. my last 440 with granted only 66000 miles gas powered same deal.