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
