torkrules, Yes as you mentioned it is one of the newer units based on a Mallory distributor (from what I have been told). This set up is in a 1969 Road Runner with 3:55 gears, 727 stock rebuilt trans with a shift kit, the motor is a totally re-milled 440 /.30 over with a Comp Cam 268 xe hydraulic cam, original re-worked iron open chamber heads, forged pistons, stock Mopar intake, Holley 750 double pumper carb mech. secondaries, Changed over to electronic ignition with the new Mopar distributor mentioned above. Thanks for everyone's input!