need someone to explain how to hook up the window switch i had msd modify for the vipers nos system. anyone put this thing on one yet. also what pills do you recommend.
Some say that the modified boxes are off by 10% on the rpm's. I exchanged mine for the digital model, no pills to set rpm and you can change your setting anytime. Try this site, http://www.msdignition.com/pdf/pn8956.pdf
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