I'm doing a Sniper XFlow install on a 700 hp big block right now. It takes a lot of work to get the wiring correct. Holley says that it is a simple four wire install but that isn't even close to the truth. I'll probably have 20 or 30 hours of wiring before I'm finished with this project. Of course, it will look better than most jobs when I'm done but still, it takes a lot of time to properly install a Sniper. So don't be suckered into the "four wires" thing.
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