Quote: Diesel oil has metallic based detergents which can cause excessive ash deposits (sludge) in your engine.
Completely not true! My 440 is spotless inside the valve covers. It's cleaner than when it was reassembled after a rebuild. Show me some proof that diesel oil causes sludge.
I just adjusted the valve lash on my 318 and everything was spotless, i'm running Rotella 15-40.
I just adjusted the valve lash on my 318 and everything was spotless, i'm running Rotella 15-40.
