I pulled the valve cover on my gs and noticed that when the timing marks are lined up the notches on the end of the cams face outward instead on inward and the lobes on #4 are facing each otherthis thing hasnt run right since i had the topend done also theexhaust valve stems are white like it's firing with the valves open. The cams are web small base circle cams. Is it possible they areinstaled 180 out