[Dominic Toretto]

Originally Posted by Bacadiesel Well I was thinking of comparing other peoples cars and oils. I know it's hard to see but in the pic it shows fuel, soot, water dilution as well. I talked to Amsoil and they said silicon ppm could be actual silicone rtv. And makes sense because I recently had a new timing cover put on and that uses rtv as a gasket.

What is rtv?

-Alex