Missed a little here....thanks.............Installed a Hughes engine "whiplash" cam and at the time,used a cam timing wheel to check it.....o adjustment beyond the timing marks was required Worked Worked with Hughes Engines to have custom length push rods made also, (due to planing down the heads) Have a Holly 850 Street Avenger Carb on her. Dual 3" TTI exhaust system. Id like to see a little more HP, but unsure whats best