BRAKES 1977 CAB CHASSIS AND PICKUP BRAKE SYSTEM USAGE TPZGI 2 WHEEL DRIVE VEHICLE SPECIFICATIONS BRAKE SPECIFICATIONS MODEL REAR OPTIONALLV N0 W B G V W R WHEELS BASE C 107 03 117 5 4 900 Single JB 1 117 5 5 300 Single JB 3 JB 5 117 5 5 400 Single JB 3 IB 5 117 5 5 00 Single lB 3 JB5 117 5 5 050 Single JB 5 117 5 6 200 Single JB 5 2 109 03 131 5 4 900 Single JB 1 131 5 5 300 Single JB 3 JB 5 131 5 5 400 Single JB 3 JB 5 131 5 5 600 Single IB 3 JB 5 131 5 5 050 Single IB 5 131 5 5 200 Single IB 5 C 209 O3 131 5 6 400 Single IB 6 JB 7 131 5 7 100 Single JB 6 JB 7 131 5 7 500 Single IB 7 131 5 8 200 Single IB 7 2 209 43 154 5 7 500 Single JB 7 164 5 B 200 Single JB 7 C 309 03 131 5 5 600 Single JB 7 JB B 131 5 7 400 Single JB 7 JB B 131 5 8 200 Single JB 7 lB B 131 5 9 000 Single JB 8 131 5 10 000 Dual JB B C 310 03 135 5 6 600 Single JB 7 lB 8 135 5 7 400 Single JB 7 IB 8 l 135 5 B 200 Single JB 7 JB 8 135 5 9 000 Single JB 8 135 5 9 000 Dual JB 8 135 5 10 000 Dual JB B 0 314 03 159 5 6 600 Single JB 7 JB 8 159 5 7 400 Single JB 7 JB B 159 5 8 200 Single JB 7 JB 8 159 5 9 000 Single JB 8 159 5 9 000 Dual JB B 159 5 10 000 Dual JB 8 0 309 43 164 5 9 000 Single JB 8 164 5 9 600 Single JB 8 164 5 10 000 Dual JB 8 Trucl has H D brakes as std equipment No higher brake system available Truck has optionally available H D brakes HPOJE5 vacuum power brakes ll ehiclas equipped with RPO LF 8 454 engine have JB 5 system base N0 higher system available WAllEHOUSlNG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCl 51 REV 2 83 4 is c 4 000 GROUP