V83 Follow the three steps below to utilize the 1975 spring charts 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 1975 CORVETTE BASE SPRUNG WEIGHT ivzav Corvette 2 or cpe 714 784 5 1YZ67 Corvette Convertible 714 5 790 5 CHART B 1975 CORVETTE n P o oPTioN weioi its FRONT A31 Power Windows 2 0 1 5 CO7 Auxiliary Top 5 0 29 5 M C60 Air Conditioning 32 5 8 0 J50 Power Brakes 4 5 O L82 350 4 B C Spec Hi Perf Engine 5 0 1 5 M40 Hydramatic Transmission 18 5 8 5 N41 Power Steering 12 5 0 U58 Stereo Radio 5 5 3 5 U69 ANl FM Radio 3 5 3 5 CHART C 1975 CORVETTE FRONT SPRINGS GROUP 7 412 REAR SPR INGS GROUP 7 503 MODELS SPRUNG WEIGHT PART NO MODELS SPRUNG WEIGHT PART NO All wstd susp O 774 346939 All w std susp AII 370388 775 Over 346943 All vv I I D susp All 340519 All vv H D susp All 370350 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATlON CHEVROLET 14 7 000 GROUP 7 4 c REV 5 81