NO the stock tach will not work with the pantera tach. Two very important things to note when installing msd stuff in a pantera.
1. Install 100v/20 amp? diode between the amp gauge and voltage regulator. This will prevent the msd to pull voltage from the altenator which will result in run-on. Freaked me out the first time it happened, the car wouldn't die!!! I thought my ignition switch was toast.!
2. The tach needs a MSD voltage triggered tach adapter to run. costs about 60$.
-cya
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