Ok I am getting a spark knock ping etc with my engine. Comp cam xe274h afr165 1399, 10:2:1 compression
I recurved the duraspark2 to 35deg max all in at 3000.
Initial 14. Knocks with the vac advance plugged. Back off timing to 0 initial same thing. Can knock by revving at idle. New engine need to figire this out.. have one lighy one heavy on the distrub. Help!!!