Both of my cars have 4.10s and i have had no problems with traction at the track, and that is with 150 shot and M/T ET streets.
One of my cars is a 1998 gt 5 spd that ran 8.1 with 1.6 60 ft time in the 8th mile
and my 1995 gt auto with a 3000 stall that ran 8.3 with a 1.8 60 ft time in the 8th...