415HP from 318ci IS POSSABLE!!

I also ran this engine on 87 octane gas at the race track a few weeks back and it ran a 7.401 @ 96 mph without any signs of detenation on the plugs. I used a 660 center squirter carb that flows 987 cfm's with 84 jets front and rear. The engine didn't burn a half a qt. of fuel per run. So the engine is very effecient.