hey street, my 340 stroked w flat top pistons 10.5 to 1comp pump gas w a bullet flat tappet cam 255/255 580lift cam was 10.80's and still had more in a 3200lb dart..with some port worked eddy's..3500 stall ati conv 28x10 cal trac car.the motor on ray bartons site(small block) is my actual motor..b 4 i went w my new stuff