FRAMES SPRlNGS SHOCKS BUMPERS C316 1977 B BODY Follow the three steps below to utilize the 1977 spring charts T 1 Select the model desired with the base spring weight on Chart 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 BASE SPRUNG WEIGHT Ls F r T1 BL35 Impala 4 Dr Sta Wag 2 Seat 879 8 881 5 BL47 Impala 2 Dr Custom Cpe 878 2 648 0 BL69 Impala 4 Dr Sed 856 9 686 3 BN35 Caprice 4 Dr Sta Wag 2 Seat 881 9 897 7 BN47 Caprice 2 Dr Sport Cpe 886 7 646 0 BN69 Caprice 4 Dr Sed 862 6 686 3 1977 B BODY CHART B RPO option weionrs I RONT REAR AG7 Power Drive Seat 5 0 4 5 AO4 3rd Seat 0 5 16 5 A42 Power Seats exc Bk 4 9 4 4 C60 Air Conditioning 250 34 0 1 8 Air Conditioning 305 350 34 8 1 8 C61 Auto Temp Air Conditioning 1 8 0 6 LG3 305 2 BC Engine 41 4 6 4 LM1 350 4 BC Engine 40 0 8 0 M40 Hydramatic Transmission 6 5 2 5 UM1 Radio Tape Player 5 4 1 8 UM2 Radio 84 Tape 6 3 1 8 U58 ANI FM Radio 5 0 1 5 VE5 Bumper Bar Pad 1 1 1 1 O1 H D Radiator 1 6 0 8 V30 Bumper Guard 2 9 1 5 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS COI1PORATION CHEVROLET 10 7 000 GROUP 7 14 c REV 5 81