pretty dissapointed. (track results)

[prostreet1967]

pass 1
60' 2.413
330 6.139
mph 60.28
1/8 9.661
mph 61.29
was spitting and popping let out of it.

pass 2
60' 2.207
330 5.935
mph 61.51
1/8 9.012
mph 77.28

pass 3
60' 2.218
330 5.884
mph 62.30
1/8 8.943
mph 77.54

truck has 468 bbc, turbo 400, ladder bars with coil overs, 9 inch ford with 4:56 gears, 33 inch mickey thompson sportsmans. it would spin pretty hard out of the hole. left foot braking about 2000 rpm. was hoping for low 8s

any one have any suggestions.