Originally Posted By 70satelliteguy
"Many of my buddies run Brad Penn. The stuff feels slippery & doesn't like to come off of your skin but I have never been a fan either for the money. I just run whatever brand oil 10W30 is on sale at that moment when I am in the parts store. Never had an issue with any of them.

" for the race engines we use the Rotella 15W40 Rotella Diesel oil."

Agree with all of the above!!

Mike
I run the same but also put some Lucas break in additive with it at each oil change.