About the mack plug/rack plug?
#22
#24
no, the 215 pumps have the retard notch on top of the plunger. as rack travel increases the timing retards. so the more travel with the rack plug causes the pump to retard the timing even more ... thats why the rack plug hurts performance in a street truck with the 215 pump.
#26
no, the 215 pumps have the retard notch on top of the plunger. as rack travel increases the timing retards. so the more travel with the rack plug causes the pump to retard the timing even more ... thats why the rack plug hurts performance in a street truck with the 215 pump.
#27
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