Recent content by jerrya

1989 Bonneville 3.8 engine. Bought new, always used synthetic oil, mostly Mobil 1, but in later years Pennzoil and Castrol synthetic also. Changed oil about every 10-12 months, 8-10k miles. Used standard AC, Fram, Bosh, and Purolator filters. Sold car 2 years ago @240,000 miles. Car ran...