FRAMES SPRlNGS SHOCKS BUMPERS L268 1977 H BODY SPRING CHART Follow the four steps below to utilize the 1977 Spring Chart 1 Select the Model desired with the weight on Chart A 2 Then select Options accordingly shown on Chart B and add that weight to the Chart A weight 3 Once accumulated weight has been determined refer to Charts C 4 Select the required spring opposite the total accumulated weight in Chart C CHART A FRONT WEIGHT REAR Momai LI I WEIGHT HDO7 Starfire Sport Coupe 762 762 644 CHART B FRONT REAR PRODUCTION OPTION WEIGHT WEIGHT C60 Air Conditioning 35 0 J50 Power Brakes 4 0 LD7 V6 Engine 66 9 M29 Automatic Transmission 10 44 M38 Automatic Transmission 3 1 M75 5 Speed Manual Transmission 6 3 K19 Air Injection 7 O N41 Power Steering 14 0 Radio Any Option 4 2 V01 High Capacity Radiator 2 O D55 Console 2 2 CHART C STANDARD SUSPENSION AND 4 CYL ENGINE HEAVY DUTY SUSPENSION SAME FRONT WEIGHT SPRING REAR WEIGHT SPRING A78 TIRE PART NO A78 TIRE PART NO 462540 0 783 378598 0 672 784 813 378599 673 756 336877 814 over 378600 756 over STANDARD SUSPENSION AND V6 ENGINE HEAVY DUTY SUSPENSION SAME FRONT WEIGHT SPRING REAR WEIGHT SPRING BR70 TIRE BR78 TIRE PART NO B78 TIRE BR70 TIRE BR78 TIRE PART NO 0 796 0 804 362200 0 697 0 665 0 665 797 847 805 853 370906 698 781 666 749 666 749 336877 848 896 854 902 370907 782 over 750 over 750 over 897 over 903 over 370909 1 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS 0LDSMOBILE 31 i 7 OOO GROUP 7 16 C REV 7 87