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I've read multiple stories of people throwing on a larger lower pulley and then mashing on it without a tune and venting the block. Does the L motor not use knock sensors to pull timing?
Lightnings have knock sensors however they are not used. Ford could not get the knock sensors to work with a roots style supercharger. The supercharger makes noises/vibrations that throw off them off. This is the reason you hear of so many lightning engines failing that along with the weak rotating assembly.