Want to order some coil overs for my R/T but unsure of a good all around spring rate. The choices are:

336 lbs/in front
336 lbs/in rear

336 lbs/in front
392 lbs/in rear

392 front
392 rear

392 f
448 r

448 f
448 r

448 f
504 r

504 f
504 r

560 f
504 r

The car is mainly going to be a street car but may see some track and auto cross type events. I don't mind sacrifice some comfort for handling purposes.