I have a 85 coupe with a 472 with dove heads.550 tq 543 hp. weight is 3295 with me in it.best 60ft has been 158.I have 90/10 on the front with stock 4 cylinder springs qa1 k member and stock a arms.The rear has adjustable upper arms and non adjustable lowers,competition engineering 3 way adjustable shocks set to 50/50 and stock 4 cylinder springs.I was wondering if that 60 ft. was pretty good and if not what might help?Thanks in advance.