SHS purple steel toothed piston, with tooth #1 removed, and #2 half removed, And lightened for less mass.
13:1 gear set, M100 spring, SHS high speed, G&P high speed, or even magnum type motors (high torque high speed)
with proper shimming, Ball bearing bushings, and a good lubrication job.
ull hit 25 easy on a 9.6 high discharge.
I was hitting close to 40 on this exact setup with 11.1 3oc,
then i short stroked it and hit close to 50, then i said Ehh why not and DSG'd it... Its still not fast enough.. tho..