Recent content by Sharkman

I have a 400HP 350 small block in my 79 corvette and I have been using Valvoline 20W 50 Racing oil for the past 13 years in it. My car has seen a lot of track time and high RPM abuse over the years. When it is out it cruises at 3000 - 4000 RPM's and screams to 7000. I have not had any engine...