October 5th 7 pm Darin Morgan

Just a 1/3 into it so far, but found interesting that 118 cfm per sq inch of valve is max efficiency, so a 1.78" valve should be able to move 293 cfm and a 2.08" 400 cfm obviously with ideal port shape. Technically a 1.78" valve should be able to support 600-700+ hp :)