FRAMES SPRINGS SHOCKS BUMPERS L284 1979 C BODY COUPE AND SEDAN Follow the steps below to utilize the Service Spring Charts 1 Obtain GAWRF Frt or GAWRR Rear weight from sticker on left front door Use pounds Lbs values only 2 Select chart to be used determined by suspension and side of car 3 Locate the GAWRF or GAWRR weight within the appropriate range under the proper tire size column Use indicated spring part number STANDARD SUSPENSION LEFT HAND FRONT GAWRF RANGE REAR GAWRR RANGE SPRING SPRING GR 78 HR 78 PART GR 78 HR 78 PART TIRE TIRE NUMBER TIRE TIRE NUMBER Below 2712 482064 Below 2820 2713 Above 482066 Below 2528 Below 2573 370982 2821 Above 482068 2529 2645 2574 2690 370964 2646 2764 2691 2814 370967 2765 Above 2815 Above 463833 STANDARD SUSPENSION RIGHT HAND FRONT GAWRF RANGE REAR GAWRR RANGE SPRING SPRING GR 78 HR 78 PART GR 78 HR 78 PART TIRE TIRE NUMBER TIRE TIRE NUMBER Below 2712 482064 Below 2456 Below 2501 370980 Below 2820 2713 Above 482066 2457 2604 2502 2649 370982 2821 Above 482068 2605 2721 2650 2766 370964 2722 2839 2767 2889 370967 2840 Above 2890 Above 463833 HEAVY DUTY SUSPENSION LEFT HAND FRONT GAWRF RANGE REAR GAWRR RANGE SPRING SPRING GR 78 HR 78 PART GR 78 HR 78 PART TIRE TIRE NUMBER TIRE TIRE NUMBER Below 2494 378503 Below 2712 Below 2798 482080 Below 2587 2495 2654 378505 2713 Above 2799 Above 482082 2588 2747 2655 2814 378507 2748 Above 2815 Above 463885 HEAVY DUTY SUSPENSION RIGHT HAND FRONT GAWRF RANGE REAR GAWRR RANGE SPRING SPRING GR 78 HR 78 PART GR 78 HR 78 PART TIRE TIRE NUMBER TIRE TIRE NUMBER Below 2504 Below 2567 378503 Below 2712 Below 2798 482080 2505 2661 2568 2727 378505 2713 Above 2799 Above 482082 2662 2820 2728 Above 378507 2821 Above 463885 1987 GENERAL MOTORS SERVICE PARTS OPERATIONS 0LDSMOBILE 31 7 OOO GROUP 7 36 C REV 7 87