6 CYLINDER ENGINE 0 033 BLOCK ENGINE Cylinder and Case C0n t 91 92 C 3 8 1 L67 24501836 1 1938 00 ENGINE 3 8 L 231 CID SERV PARTIAL REFER TO NOTE 11 IN CATALOG TEXT PGO 31 16 Illlfillfbfllbfl P O R T I I ll lIIl l P O R T ll l l Ill P O R T lllfblililflllll 88 C 3 8 3 NM8 EXPORT 25530628 1 1732 00 ENGINE PARTIAL USE W 25531505 25529013 REFER TO NOTES 2 22 IN CATALOG TEXT PGO 15 1 0 034 PLUG Engine Block NOTE FOR ADDITIONAL STANDARD SIZE PLUGS SEE GROUPS 8 970 8 971 IN THE STANDARD PARTS SECTION 85 C 3 0E 231 3 25513253 AR 61 PLUG CORE HOLE 1 7 32 CUP 86 87 C 25513253 AR 61 PLUG CORE HOLE 1 7 32 CUP 85 C 3 0E 4 3T 231 3 25513256 4 64 PLUG CORE SI CUP DIA 38 3MM PGO 10 14 86 C 3 8B 25513256 4 64 PLUG CORE SI CUP DIA 38 3MM PGO 10 14 87 C 25513256 4 64 PLUG CORE SI CUP DIA 38 3MM PGO 10 14 85 C 4 3T EXT EGR WK6 22524787 1 64 PLUG CUP 7 8 DIA 85 C 3 0E 231 3 25513255 4 77 PLUG CYL BLK CORE SI HOLES CUP DIA 1 9 16 PGO 35 93 86 87 C 25513255 AR 77 PLUG CYL BLK CORE SI HOLES CUP DIA 1 9 16 PGO 35 93 85 C 3 0E 231 3 1343470 AR PLUG CYL BLK OIL GALLERY FRT 86 87 C 1343470 AR PLUG CYL BLK OIL GALLERY FRT 88 C 3 8C 1343470 AR PLUG CYL BLK OIL GALLERY FRT 85 C 3 0E 231 3 25513252 4 1 05 PLUG CYL BLK RR CUP DIA 28 7MM 00 293 PGO 3 19 86 C 3 8B LG2 25513252 4 1 05 PLUG CYL BLK RR 1 1 8 DIA CUP 00 293 PGO 3 19 87 C 3 8 3 LG3 25513252 4 1 05 PLUG CYL BLK RR 1 1 8 DIA CUP 00 293 PGO 3 19 91 93 C 3 8 1 L67 444613 AR 42 PLUG ENG BLK COOL DRN HOLE 1 8 27X3 8 NPTF 08 971 PGO 32 26 88 90 C 3 8C 25513255 AR 77 PLUG ENG BLK CORE HOLE 1 9 16 CUP PGO 35 93 88 90 C 3 8C 25513256 AR 64 PLUG ENG BLK CORE HOLE 38 3MM CUP PGO 10 14 90 C 3 8C LN3 24501422 1 95 PLUG ENG BLK CORE HOLE CUP 4 1 51X 058 BRASS PGO 35 93 91 93 C 3 8 1 L67 24501422 1 95 PLUG ENG BLK CORE HOLE CUP 1 51X 058 BRASS PGO 35 93 91 93 C 3 8L L27 24501422 1 95 PLUG ENG BLK CORE HOLE CUP 1 51X 058 BRASS PGO 35 93 91 93 C 3 8 1 L67 25513255 AR 77 PLUG ENG BLK CORE I IOLE CYL BLK CUP DIA 1 9 16 PGO 35 93 91 93 C 3 8L L27 25513255 AR 77 PLUG ENG BLK CORE HOLE CUP DIA 1 9 16 S DE REAR PGO 35 93 91 93 C 3 8 1 L67 25513256 AR 64 PLUG ENG BLK CORE HOLE CUP DIA 38 3MM PGO 10 14 91 93 C 3 8L L27 25513256 AR 64 PLUG ENG BLK CORE HOLE CUP DIA 38 3MM PGO 10 14 89 C 3 8C LN3 3745182 1 1 15 PLUG ENG BLK DRN HOLE 1 4 18 BRASS 08 971 91 93 C 3 8L L27 25535727 1 21 PLUG ENG BLK LFTR GAL HOLE LFTR VALLEY MACH HOLE 22 5 DIA PGO 31 15 92 93 C 3 8 1 L67 25535727 1 21 PLUG ENG BLK LFTR GAL HOLE LFTR VALLEY MACH HOLE 22 5 DIA PGO 31 15 85 C 4 3T 404199 1 1 15 PLUG OIL PASS RR 3 8 18 THD PGO 82 90 85 C 4 3T 557319 1 86 PLUG OIL PASS RR OTR LH CUP DIA 23MM PGO 82 93 I I O II P O H T lldiillllllfllllll P O R T ll l ll l IlkQ P O R T Ilflllbflldlllll 88 C 3 8 3 NM8 EXPORT 25513253 AR 61 PLUG CORE HOLE 1 7 32 CUP 88 C 3 8 3 NM8 EXPORT 25513256 4 64 PLUG CORE SI CUP DIA 38 3MM PGO 10 14 88 C 3 8 3 NM8 EXPORT 25513255 AR 77 PLUG CYL BLK CORE SI HOLES CUP DIA 1 9 16 PGO 35 93 88 C 3 8 3 NM8 EXPORT 1343470 AR PLUG CYL BLK OIL GALLERY FRT 0 056 BOLT Engine Main Bearing Cap 85 C 3 0E 231 3 25517607 8 1 75 BOLT CR SHF BRG CAP PGO 3 35 1992 GENERAL MOTORS SERVICE PARTS 0PERATIONS BU CK 44C 0 033 0 056 0 8 8 92