Hello,
I have a chevy with a 327/403hp the cam is adv. 3 degs solid cam ,trick-flow 2.02 alum heads, Hei ing. edelbrock 1406 carb I am unsure how to set the timing at idle it is at 10 deg. it seems to be holding back I also just picked up a new adjustable timing light at sears. Can someone please tell me how to adjust the timing and what deg. what rpm