Follow the three steps below to utilize the 1976 spring charts 1 1 Select the model desired with the base spring weight on Chan A 2 Then select options accordingly shown on Chart B end add that weight to the base spring weight 3 When accumulated weight has been determined refer to chart C and selecl correct spring I I CHART A 1976 78 CORVETTE BASE SPRUNG WEIGHT 5 r r KE ivzav cmvene z ur cpe 728 5 I Y I CHART e I 1976 78 CORVEIT E I n r 0 orrion weiems enum w g A31 Power Windows 2 0 1 5 C60 Air Conditioning 32 5 8 0 J50 Power Brakes 4 5 0 ll 138 Hydrametlc Transmission 10 5 6 5 M40 Hydrametic Transmission 18 5 I B 5 N41 Power Steering 12 5 l 0 I U58 Stereo Radio 5 5 3 5 U69 AM FM Redio 3 5 3 5 l r CHART C l 1976 78 CORVEITE FRONT SPRINGS GROUP 7 412 I svnuuc mar MODELS TIRES WEIGHT N0 All lexe H D Susp l GR70 15 0 760 346939 761 800 346940 801 Over 346941 I All w H D Susp GFl70 15 0 720 340519 721 780 354131 781 835 362150 836 Over 362151 I l CHART C I 1976 77 CORVETTE REAR SPRINGS GROUP 7 503 SPRUNG PART MODELS TIRES WEIGHT N0 All exe H D Susp GR70 15 All 370388 All who sm EE 7 V I GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 14 l REV 5 80 7 5 c 7 000 GROUP