FRAMES SPRINGS SHOCKS BUMPERS 1977 X BODY Follow the three steps below to utilize the 1977 spring charts 1 Select the model desired with the base spring weight on Chart A 2 Then select options accordingly shown on Chart B and add that weight to the base spring weight 3 When accumulated weight has been determined refer to Chart C and select correct spring CHART A me sr u w r Hr XX17 Nova Z Dr Hatchback Cpe 754 0 641 5 XXZ7 Nova 2 Dr Cpe 750 0 550 5 XX69 Nova 4 Dr Sed 749 0 599 0 XY17 Nova Custom 2 Dr Hatchback Cpe 772 5 666 5 XY27 Nova Custom Z Dr Cpa 779 0 513 5 XY69 Nova Custom 4 Dr Sed 787 0 628 5 1977 X BODY CHART B nw wncrrrs Lilillm BS1 Insulation Pkg 4 0 5 0 C60 Air Conditioning 6 Cyl 31 5 1 5 is Cyl 42 0 1 5 LM1 350 Engine 50 5 4 5 LG3 305 Engine 55 0 4 0 M20 Four Spd Transmission 4 0 2 0 M38 Hydramatic Transmission 9 5 4 0 NB2 Exh Emission Control 6 5 0 N41 Power Steering 16 0 0 UA1 H D Battery 6 5 0 5 UM1 Radio Tape Player 5 5 2 5 GM PARTS DIVISION GENERAL MOTORS COFlPORATlON CHEVFl0LET 10 7 000 GROUP 7 20 c REV 9 78