Super Stock GT Classes

[Adger Smith]

Here is Dwights tool listing for the heaviest SS/ '78 Malibu Wagon W 1969 396/375 w/auto Remember the 500Lb shipping weight rule Looks like GT/DA to GT/HA fits the 500 lb rule.
SS/GT Classes w/Replacement Heads HPFactor: 400
GM 401 aluminum head or Edelbrock #60547


GT Super Stock Classes w/Rep Heads Class Min Wgt Over/Under Shipping Wgt Min Wgt w/Driver 1/4 Mile Man Index 1/4 Mile Auto Index 1/8 Mile Man Index 1/8 Mile Auto Index
GT/AA - 6.00 Lb/HP 2400 -885 2670 0.00 9.70 0.00 6.32
GT/BA - 6.50 Lb/HP 2600 -785 2770 0.00 9.80 0.00 6.38
GT/CA - 7.00 Lb/HP 2800 -585 2970 0.00 9.90 0.00 6.44
GT/DA - 7.50 Lb/HP 3000 -385 3170 0.00 10.00 0.00 6.50
GT/EA - 8.00 Lb/HP 3200 -185 3370 0.00 10.10 0.00 6.57
GT/FA - 8.50 Lb/HP 3400 15 3570 0.00 10.25 0.00 6.65
GT/GA - 9.00 Lb/HP 3600 215 3770 0.00 10.40 0.00 6.73
GT/HA - 9.50 Lb/HP 3800 415 3970 0.00 10.50 0.00 6.80
GT/IA - 10.00 Lb/HP 4000 615 4170 0.00 10.65 0.00 6.88
GT/JA - 10.50 Lb/HP 4200 815 4370 0.00 10.80 0.00 6.98
GT/KA - 11.00 Lb/HP 4400 1015 4570 0.00 10.90 0.00 7.03
GT/LA - 11.50 Lb/HP 4600 1215 4770 0.00 11.05 0.00 7.13
GT/MA - 12.00 Lb/HP 4800 1415 4970 0.00 11.20 0.00 7.21
GT/NA - 12.50 Lb/HP 5000 1615 5170 0.00 11.30 0.00 7.27
GT/OA - 13.00 Lb/HP 5200 1815 5370 0.00 11.45 0.00 7.36
GT/PA - 13.50 Lb/HP 5400 2015 5570 0.00 11.55 0.00 7.42
GT/QA - 14.00 Lb/HP 5600 2215 5770 0.00 11.75 0.00 7.53
Automatic Transmission Classification