Originally Posted by
Moore2575
Not true at all have you ever had your oil tested, if not its really useful information
I have had my oil checked once, to check for any abnormal wear. I change my oil every year after less than 2,500 miles, I do not believe in the 7,000 mile figure, it is too much.
I believe STP is a waste of money, change the oil more frequently if you value your engine.