Well you may be correct, however I was basing my opinions on his 3000lbs/4.56/32.5" tyre combo and his 487ci and expected flyhp which should be in the 660hp range in which case he WILL be trapping at around 7k w/slip.

From my experience with that .590 cam on a friends 440 Dart with 12.5:1, 4.56/31's and similar cfm heads as the op and with a 1050 Dom, 5000 stall, the car would slow if shifted over 6300 and it was done at 6750 in the traps, with the ops bigger stroke@487ci he has it won't help in my opinion.

If a change was made to 4.30 gearing then yes perhaps it would work, but he has run that cam in a 440 and was asking for an improvement I believe with the new combo....Anyways I'm sure he will be in the 9.5's or better.