Originally posted by ehp
Rich, I find the 7900 takes real good to porting and the percentage gained is equal to any other kind of saw and better than some saws and as far as engine quality , I took the rpm limiter out of the alcohol 7900 and turned her up just to see if the crank would take it , took her over to the husky dealer beside me , got Tony to hold the tach and she would spin over 17000 rpm's real easy , now that would be to lean to run her at but i just wanted to see if the rod was any good and she passed with flying colours