This is a highly loaded question with toooooo many good answer’s available that may or suite whatever idea you have your head.
What is the end goal of the engine?
Is swapping out the trans converter OK for a higher stall?
What size tire is coupled to the 3.70 gears.
(FWIW- I never hear of 3.70 gears for a MoPar.)
Answer this also…
Will the A/C be used
How heavy is the car?
Is mileage important?
Overdrive trans in use?
