7 003 FRAME ASSEMBLY 55 59 F Ser 3C 2nd Ser 60 62 D D w 104 W B 63 Ser 20 30 D D w 104 W B 3830967 1 246 50 63 66 Ser 10 115 W B exc Cab 4 WD 3890023 1 177 8 5 Note 3 63 66 Ser 10 115 W B Cab exc 4 WD 3890021 1 177 85 Note 3 NOTE 3 When using on 1965 models it will be necessary to add 3854910 Bracket for rr axle tie rod frame When using on past models it will be necessary to add 3819993 Bracket for rr axle tie rod f On 65 models it will be necessary to add 3854910 rear axle tie rod frame bracket 63 66 Ser 10 D D 3871673 1 171 80 69 70 Blazer 4 WD 3997493 1 390 10 63 66 Ser 10 w 115 W B 4 WD 2nd Ser 3830935 1 299 15 63 66 Ser 10 20 w 127 W B 4 WD 2nd Ser 3830937 1 335 30 63 64 Ser 10 20 w 127 W B exc 4 WD 65 66 Ser 20 exc D D 4 WD 3890027 1 199 40 67 70 Ser 10 w 115 W B exc 4 WD 3937967 1 188 50 67 70 Ser 10 w 127 W B Cab exc 4 WD 3937965 1 206 20 67 70 Ser 10 w 127 W B exc Cab 4 WD 3937963 1 211 10 67 Ser 20 w 127 W B exc leaf springs Sgl Unit 4 WD D D 3910223 1 214 50 67 68 Ser 30 w 133 W B 3937985 1 67 70 Ser 10 20 4 WD Cab w 127 W B 3997497 1 390 10 Note 6 67 70 Ser 10 D D 3958619 1 231 40 68 70 Ser 10 20 4 WD w 127 W B exc Cab 3977663 1 371 55 68 70 Ser 20 w 127 W B exc leaf springs 4 WD Sgl Unit 3958659 1 243 85 67 70 Ser 20 Sgl Unit w 127 W B exc 4 WD 3997489 1 256 00 68 70 Ser 20 30 D D w 125 W B 3977671 1 281 15 68 70 Ser 20 30 D D w 133 W B 3977675 1 281 15 68 70 Ser 30 D D w 157 W B 3997507 1 325 15 68 70 Ser 30 Fleetside w 133 W B 69 70 Ser 20 Fleetside w 133 W B exc 4 WD 3977667 1 238 10 68 70 Ser 10 Conv w 115 W B rear leaf spring 3997469 1 197 95 68 70 Ser 10 Cab w 127 W B leaf spring exc 4 WD 3997467 1 373 40 69 70 Ser 30 w 133 W B exc D D 3997483 1 295 20 67 70 Ser 30 Cab w 157 W B 3977669 1 309 80 67 70 Ser 10 4 WD w 115 W B 3977659 1 324 10 69 70 Ser 20 w rr leaf springs 3974229 1 243 85 NOTE 6 When used on past models rework as follows Add holes for rear axle bumper brackets also used 1968 frt bracket holes and pipes NOTE If Muffler Mounting Bracket on old frame of 1955 2nd Ser trucks does not match the bracket on the replacing frame transfer or check parts stock for matching bracket and attaching parts See group 3 704 7 006 MEMBER RElNFORCEMENT Frame Side 55 59 F Ser 3C 2nd Ser 60 67 D D w 104 W B 3903672 1 61 50 right 58 59 Ser 30 Fr 60 65 D D w 125 W B 63 66 Ser 10 20 4 WD jt 1971 CHEVROLET MOTOR DIVISION GIENERAL MOTORS CORPORATION P A 31 1 REV 6 71 tr 1 7 003 7 006