i honestly don't think that's the problem i have moved them in every direction always the same result never anything different. and I'm getting code thirty one and i believe i have a fuel problem since its running really rich and i mean rich nut that could be because of the afm being bad. had the cams retarded up to like six degrees and in advanced about six degrees and reducing overlap by moving the exhaust cam like the degrees more advanced and the intake one degree retarded. it doesn't change anything except the way it drives. idle is alway's the same. if it was thirty degrees off crower should give you another set and when i installed them i made sure they were at tdc according to stock cams and they were not noticeably different. and the cams shouldnt be messing with my fuel ratio.