9 to 1 Piston for EQ 62cc Head

I've been running a Q of about .034,since 2001;over 100,000 street miles. Aluminum heads, and KB107s, stock rods and lotsa 7000 blasts,some 7200s, just for fun. I'm geared for 7000=65mph in First-overdrive.
Probably unlike you tho, I have little to no traction.