11.50 slant six

Mark and I are tunning cars that have really simular engine builds.He is running a Jeffries head, and I am running a head I ported and polished.We both had Faria racing valves......but I think Mark switched his. He is running a dofferent cam, and valve springs.....I am hoping to switch to a comp cam w/ his grind.Mark knows his stuff....he is getting bigger an better all the time.
Andrew/Kidd