Quote:
Originally Posted by Supermoon
1. Bought the car used, unknown maintenance record - check
2. Had high mileage (100k+) - check
3. Was tuned on an OTS map - check
4. Changed the oil once a year - check
5. Used 40 weight oil - check
6. Recently changed OFHG - check
7. Tracked the car - check
Do you happen to go above 3k rpm in the morning (oil temp below 190) as well?
Rod bearings are a wear item.
Your rod bearings must've been on its way out.
My theory is some debris or air that got in during OFHG change must've put a nail on the coffin of your dying rod bearings.
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How can I put lol as answer under all of these bullet points? Especially on the 100k high mileage oh wow ....