I have one in my 393C but not in a Pantera, 10.2:1 with aussi heads, RPM airbag and a roller cam setup and I was done with the "run of the mill" distributors not working well with the setup. Dropped it in, set base timing and had my son driving while I made adjustments with my tablet or phone. It's slick and I'm pretty happy with it. I'm sure it's not cammed correctly and the other distributors I just couldn't get dialed in, was either pinging or sluggish beforehand. Only a few more bucks over a MSD.
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