Originally Posted By AndyF
I should have a 470 inch B block on the dyno in a month or so with the TF heads. Pump gas engine with a solid roller. PipeMax says it will make 680 hp so I guess we'll see how close it comes.


Andy.. that 680 hp.. is that the min, average or max
on pipemax... I havent figured that out over all these
years... mine has always been near the min or slightly
above that
wave