302 timing

are you carbed or fuel injected. if your carbed i go by total advance not base timing.witout vacum advane and the centralfegural at full advance id say at about 35-38 degrees and full advance should come at about 2500rpm, adjust that by tigening or loosening springs through the square wndow in the by the hall efect sensor. youll need to rotate the engine by hand to get to the 2 of then