Quinc
Buy a Superjet
- Location
- California
My 701cc engine with ADA head running 35cc domes @ 185psi needs 91 octane.
I had that cylinder bored to 753cc and using 760 38cc domes @ 180psi needs 98 octane.
Question is why does a larger cc engine with less compression need higher octane?
I had that cylinder bored to 753cc and using 760 38cc domes @ 180psi needs 98 octane.
Question is why does a larger cc engine with less compression need higher octane?