View Full Version : msd 6a control box
09-06-2003, 12:50 PM
i just purchased the msd 6a control box and i just needed to know if the wiring that came with it that runs to the distributor and coil replaces the old stock wiring or if it is an add-on thanks
09-07-2003, 12:19 AM
In order to answer your question, I will need to know what year, make, model and type of engine that you are installing the ignition on.
09-07-2003, 07:43 PM
thanks but i already figured out how to wire it and its up and running but how do i know if its doing its job correctly just for fun its a 63 ford fairlane w/ a sb 221
09-08-2003, 09:32 AM
Generally you will see improved starting (should start quicker) and also a smoother idle. Run it for awhile and then go back to the stock ignition and usually you will feel a difference and want to put the MSD back on.
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