quote:Probably not, but the only way to know for sure would be to run the two oils for that interval and do an oil analysis on both to see.
Originally posted by rick: So there is no difference of wear between Castrol GTX and a synthetic for the 3k.
quote:You don't want to put Risoline, or any other solvent-type cleaner, in your engine. If you change your oil every 3000 miles, you're not going to have any sludge to worry about.
Originally posted by rick: Would I be ok If I were to use Castrol GTX as an eg Then every 3-4 oil changes use a bottle of Rislone engine cleaner for 1k miles. Would I still be ok from sludge build up. I'd change by oil every 2k Miles