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Mine is a 1990 w/ L98 and approx. 116,000 miles. Runs like a top. Last oil change I put Mobil 1 in; no problems. However, I have heard good things about Valvoline's MaxLife for engines over 75K. It is a synthetic also. Any thoughts/comments?

On our website here under 1990 Specifications the table says that the compression ratio for the L98 is 10.25:1. If I check anywhere else, it comes up 9.5:1. Misprint?

My 1990 coupe w/ L98 (aluminum heads) puffs a white cloud out of the exhaust when the car is first started. It lasts less than a minute and does not happen again after that until I start it again the next day or couple of days. It does not appear to be oil (the dipstick level has not moved). Any...

Center of dash console where fuel and trip reset are controlled there are two force-fit buttons; one is labeled trip reset and the other is fuel reset. I am looking for the fuel reset button. I would appreciate any help in finding one......

Found this site by accident during surfing one day and it looked interesting. So I decided to sign up. I live in Acworth, Georgia (Northwest of Atlanta) since 1993 from Michigan. I own a 1990 C4 White coupe with a red interior; L98 w/ 6 speed. Odometer reads 115K; I have added a low restriction...