Royal purple all around. I used that scamsoil in my m50 motorcycle and it ran 15 degrees hotter then with royal purple and 8 degrees hotter then mobile one. Nuff said about the snake oil.

Wait for it..
( insert amsoil rep garbage here )

 

Why on earth is this thread being commented on? It is so old.

I could care less what oil filter goes on my truck these days, delete this garbage thread.

lol.

 

That's couldn't care less!