[unclebilly]

Originally Posted by midnite blue 88

If every car in nascar runs msd then it has to be a proven product .And if you find a box that does not work just send it back to the factory and they will fix it for a small fee of about 40 bucks.

There are millions of Ford cars and trucks running around with EDIS, the basis of the megajolt system. The megajolt box is only the controller that allows you to setup your timing maps. The rest of the parts are Ford, unless you want to use a different coil pack.