From the ma and pa gas station just across the river into South Carolina on Gordon hwy.
You can tune your spark tables, just like tuning the fuel maps (tables). However, unlike going too far with fueling, whereupon the consequences are cooler heads and fouled plugs along with wasting fuel, going overboard on the spark tables in the higher load areas will result in a hole blown through a piston, overheating, and an even bigger hole blown through your wallet! The insulation against those kind of activities is to utilize a knock sensor, that will dial back the amount of timing when knock is detected and save your wallet, er, I mean motor.
