My other twin just bought this Honda CRZ. We changed the oil the other night and I thought to save a sample for Blackstone. It came from a used car lot so I have no idea of the type of oil or miles on it. The aluminum and especially the iron are flagged as high. I would appreciate any thoughts from the experts at BITOG on this report. I dumped this oil and went back with PP 0w20 and a Fram Ultra filter. How many miles should I go with this engine? Short trips back and forth to high school, with plenty of knuckle-headed teenage driving thrown in. Thanks in advance!
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