Classic Car and Older Muscle Car Engines With Flat Tappet Cams
If you buy your motor oil at the local auto parts store or other stores such as Wal-Mart you could be headed for serous trouble and not know it. Or, perhaps, you're reading this after finding out you've got some serious engine damage that needs to be repaired. Either way, today's current oils sporting the API SN & ILSAC 5 specs are not good for your engine at all. The friction modifier added to motor oils to prevent wear is considered a source of pollution. Why? Because many feel it's harmful to the catalytic converter on modern cars. So despite these additives being used in these engines for years, the decision was made to remove or greatly reduce the zinc dialkyldithiophosphate (ZDDP) otherwise referred by most people as "zinc" and others as "phosphorus". Tree huggers don't want us to keep our older cars much longer do they? But what about new car engines? It's been decided that these engines will probably be OK since the worst of t