Cam
I got 720 Intake and 660 Exhaust.
I think that should Be Fine other than maybe go 1.65 on the Exhaust,and then you will be @ 702 on the EX.
Later
G 8)
I was thinking maybe Gear or Converter Probs?
I had a 355 in a 3100 lb S-10 that went 6.50 in the 1/8 with 1.41 60' Times