buddyboy Posted January 8, 2009 Report Share Posted January 8, 2009 Hello, have a 2002sts, owned it about six monthsm now has 92,312 miles on it, i change the oil around 3000 miles, does seem to take a quart of oil around 1000 miles of driving, and oil seems to be dirty to me, would like to put in a quart of risilene to clean it out before next oil change. would this hurt it? also will this engine run 200,000 miles? does run very good, i run corn based fuel in it, and gets around 22 mpg. will it run good on 87 fuel, should the milage be better? thanks Bob Link to comment Share on other sites More sharing options...
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