Spark Plug Heat ranges, what gains have you made?

[Stan Weiss]

Originally Posted by Ralph A Powell

I now for a fact on the Boss 302 it was worth 10 hp as I was at Dyno the night we run it.

Ralph,
Do you happen to know how much offset that piston has?


Bore = 4.0 Stroke = 3.0 Rod Length = 5.155
Wrist Pin Offset = 0.06
Actual Piston Stroke 3.00022203042
Cylinder Volume 37.701902 CI 617.823481 cc
Engine Size 301.615216 CI 4942.587850 cc
Crank Angle Piston TDC -0.51657300450 Piston BDC 179.05939775907



Stan