MSD Ignition Question

Mad Dart said

Without using the MSD you will not have a Rev Limiter or any other type of timing controls that come with the unit. Depending on which one you use like a 2 stage limiter for Nitrous or line lock for the burn out box, launch etc........

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Okay, this is just a cruising car, no racing or anything like that. I'm not opposed to using a MSD box, I just wanted to know if there is a disadvantage to not using one, or would the masses say, "hey, you should use one because of this, this and that".