The car;68 Newport 4400 pounds
Engine; 383 .040 over,9.5:1 flat top pistons,268H comp cam,750 CFM carb,HP logs,TTi 2.5" exhaust,2.94 gears (3.23's in the future)
2157514 tires 26.74 inches tall (eventually getting 2357015 28.0 tall)
Trans rebuilt 727 with modern part throttle 3-2 kickdown.Will be using an external trans cooler with the 26" rad and 18" clutch fan and shroud.

The question;
Which would be the best matched convertor for my combo??

The car will be driven often in town and highway with the few arm drop races and the typical stop light action.
She's gonna be a driver.
The ones I have my eye on is the Mancini one good for 2200-2500 stall.
and the Mopar 166K good for 2250-2350 stall.
Is this too much or not enough stall?

The motor and trans are out and not together yet.
I want to do this match up once and bee done with it.
Any opinions are appreciated.
Thanks.