1973 340, want more power.

Most likely my next mod. What is the Benifit of this one vs my old
Mopar one? Excuse my ignorance
What is your old MoPar one?
A custom converter is for your set up exactly. The converter I had done @ Pro Torque is a 2400/2500 stall. It will drive like a normal converter but not bog down the engine and its performance. It was made for the combo.

This is the only place I know of that has and sells complete bolt in ready to go 3rd members. Mopar 8 3/4" (8.75) 489 Case Third Member