My initial reason for running the heavy oil was because my lifters were making so much racket...(Aggressive ramp rates). I'd heard that a 50wt would help quiet them down. Now that I'm swapping for the ol'skool solid stick I think I'll switch back to the 10-30 with the zddp addative.


1966 Satellie.. 12.55 @107.75. 906 heads. 3780 lbs.