I just bought a brand new MSD 6AL Ignition box and MSD Blaster 3 coil (from a non-ebay speed shop).This is going to be connected to an HEI Distributor. How much of a performence change can I expect to see when this upgrade is finished.
Don nailed most of it right on the head. Starting eaisier, throttle response, more stable performance at a higher RPM and I myself noticed an increase in mileage. Were not talking huge, but 2 miles a gallon or so is better that none !!
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