Great looking car after break in with the right oil I cHANGE TO VALVOLINE 10W-30 SYNTHETIC RACING OILchange it every year, about 7000 mile never drive the car short drives always over 2 hours so shi gets burnt off and no water in the exhaust system . never had a problem with wear have torn down engine aftr 20,000 miles almost no wear looks new , short drives kill an engine