6 CYLINDER ENGINE 0 029 BRACKET SUPPORT Engine Mounting C0n t 76 80 H 231 1250392 RH 17 15 BRACKET 77 79 A B X 196 231 1257796 RH 13 85 BRACKET ENG MT FRM 77 78 A B X 196 231 1257797 LH 13 85 BRACKET ENG MT 78 H 231A 1ST DES 1249826 LH 11 90 BRACKET ENG NIT MT SURF TO C L OF MT HOLE 78 78 80 H 231A 2ND DES 1262677 LH 13 60 BRACKET ENG MT MT SURF TO C L OF MT HOLE 58 79 A B X 231 196 1262679 LH 14 00 BRACKET ENG MT FRM 80 81 A B 231 1257796 RH 13 85 BRACKET ENG MT FRM 80 A B 231 1262679 LH 14 00 BRACKET ENG MT FRM 80 81 X 14036338 1 10 65 BRACKET ENG MT STRUT TO RAD SUPT 80 81 X 2 8 14000422 1 10 85 BRACKET ENG MT TO ENG FRT L SHAPED 80 81 X 2 8 14033294 1 7 00 BRACKET ENG MT STRUT TO FRT HD 80 X 2 8 EXC A C 1ST DES 14001825 1 10 85 BRACKET ENG MT STRUT AT CYL HD FRT STGHT BRKT 80 X 2 8 EXC A C 2ND DES 14024235 1 10 75 BRACKET ENG MT STRUT BENT FLG AT CYL HD FRT 80 81 X 2 8 W A C 14001824 1 11 40 BRACKET ENG MT STRUT AT CYL HD FRT 8 I A 231A 1262679 LH 14 00 BRACKET ENG MT FRM 81 B C 231A 4 1 1262679 LH 14 00 BRACKET ENG MT FRM 81 E 4 1 1262028 1 44 50 BRACKET ENG MT FRT 81 X 2 8 EXC A C 14024235 1 10 75 BRACKET ENG MT STRUT AT CYL HD FRT 76 80 H 231 1705321 LH 30 75 SUPPORT 76 80 H 231 1746350 RH 40 00 SUPPORT 0 033 BLOCK ENG NE Partial NOTE 1 Includes block piston pin asm cr shf brgs rr seal NOTE 2 Includes block piston rod asm cr shf cr shf brgs rod brgs rr seal NOTE 4 1st des harmonic balancer incorporates a rubber spacer bonded between a cast iron hub a cast iron outer ring 2nd des harmonic balancer is one piece cast iron NOTE 5 lf not attached procure fuel pump push rod 14033175 NOTE 6 When used on 1981 models use oil pan 14077873 and oil pan rear seal 14077876 Also when rebuilding this partial engine use 1985 2 8W cr shaft main brgs pistons and rings Install 1977935 o ring on distributor shaft 76 ALL 250 374210 1 852 00 BLOCK NOTE 1 80 ALL 231A 25505757 1 956 00 BLOCK FITTED LESS RR SEAL NOTE 1 80 X 2 8 14059027 1 966 00 BLOCK FITTED NOTE 1 81 A B 231A 25509108 1 950 00 BLOCK FITTED LESS RR SEAL NOTE 1 81 C E 4 1 25516162 1 971 00 BLOCK FITTED LESS RR SEAL NOTE 1 81 X 2 8 14059028 1 891 00 BLOCK FITTED NOTE 1 76 ALL 231 1250581 1 N L ENGINE PARTIAL NOTE 2 76 ALL 250 14019943 1 1177 00 ENGINE PARTIAL NOTE 2 77 78 ALL 231A 1259583 1 1263 00 ENGINE PARTIAL NOTE 2 79 ALL 231A 2 25501421 1 1263 00 ENGINE PARTIAL NOTE 2 LESS CM SHF 80 A B 231A 25505749 1 1263 00 ENGINE PARTIAL NOTE 2 80 H 231A 1ST DES 25505749 1 1263 00 ENGINE PARTIAL NOTE 2 4 80 H 231A 2ND DES 25509105 1 1263 00 ENGINE PARTIAL NOTE 2 4 80 81 X 2 8 14091443 1 1176 00 ENGINE PARTIAL NOTE 2 5 6 81 A B 231A 25509105 1 1263 00 ENGINE PARTIAL NOTE 2 81 ALL 4 1 25516158 1 1319 00 ENGINE PARTIAL NOTE 2 0 034 PLUG Engine Block Cylinder Head 76 81 ALL 231 4 1 1343470 AR 77 PLUG OIL GALLERY FRT 15 8 MM 76 ALL 250 3789860 1 69 PLUG WAT JKT RR 51 11 MM 76 ALL 250 3889330 1 37 PLUG WAT DRN I 4 18 77 81 ALL 231 4 1 25513253 AR 45 PLUG CORE 31 MM 78 79 ALL 231 25513252 4 79 PLUG CYL BLK RR 1 B CUP 0 293 80 A B H 231A 25513252 4 79 PLUG CYL BLK RR 1 I CUP 0 293 80 81 ALL 231A 25513255 AR 69 PLUG CUP 19 IG 80 81 ALL 4 1 4 231 25513256 AR 57 PLUG CYL BLK CORE SI HOLES 1 5 DIA 80 81 ALL 231A 25513256 AR 57 PLUG CUP 1I Z 80 81 X 2 8 360571 6 55 PLUG WTR JKT 34 3 MM 80 81 X 2 8 11504128 2 23 PLUG O L GALLERY HOLE CTR TOP 8 14 MM 80 81 X 2 8 11504129 AR 28 PLUG OIL GALLERY HOL E VERT TOP 14 18 MM 81 A B 231A 25513252 4 79 PLUG CYL BLK RR 1 H CUP 0 293 81 C E 4 1 4 25513252 4 79 PLUG CYL BLK RR 1 g CUP 0 293 ci 1987 GENERAL MOTORS SERVICE PARTS 0PERAT 0NS 0LDSMOBILE 31 0 029 0 034 0 12 REV 7 87