I have an MSD SCI on my KADE N/A, and didn't really notice a difference at all except for I go through spark plugs like crazy. I replace them pretty much every oil change, or every other (depending on how hard I've been driving it). However, I did put down 145HP at 5000 ft. I don't have a dyno from before, but all I have are minor bolt-ons (intake, exhaust), I'm running E-85, and I'm using an S-AFC (the first one) to tune.
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