Highwayhooligan if you want 1.3 hp per cubic inch in any engine you to spin it to 6000-6500 RPMs and gonna need the bottom end to support those speed and HP and zero decked. 2nd head that flow 200+ cfms try for highest cfms so you can get by with lesser degree cam but with highest lift that works with your head flow (custom cam). 3rd compression that works with your cam and gas choice 4th intake, carb and exhaust that works with your HP level. 5th stall speed and gear set that matches your application.
