Originally Posted by viperblue72
Harley we ran it on 98 octane just for safe measure. Although dynamic compression is only 8.5 so it may run. Just fine on pump premium.


That's awesome! Congrats!

Interesting that your torque peak is a bit higher rpm than mine. My motor was a bit more square - hp/torque being almost equal.

67 Coronet 500 9.610 @ 139.20 mph
67 Coronet 500 (street car) 14.82 @ 94 mph
69 GTX (clone) - build in progress......