Put one in and your question will be answered! I'm surprised that no one else has commented about the mds (except bad mouthing it). I used nothing but the factory electronic ignition on all my mopars until i put the msd6a in one. It it suited better for the street rather than the track. But it will perform better than the factory ignition in both cases. Check out the video, I did this exact same test but a bench test with a battery and a Accel super coil. You be the judge.