ENGINE INSTALLATION INSTRUCTIONS PART N0 3981853 UNIVERSAL 366 CU IN 8 CYL ENGINE ASSEMBLY FOR USE ON 1966 SERIES 60 80 TRUCK MODELS 1967 68 I SERIES 500 600 TRUCK MODELS USED WITH SYNCHROMESH POWERGLIDE TRANSMISSION TWO FOUR BARREL CARBURETOR LESS RH LH EXHAUST MANIFOLDS FLYWHEEL y CLUTCH HOUSING ALL CLUTCH COMPONENTS SUPPLEMENTAL PARTS REQUIRED FOR INSTALLATION BY MODEL YEARS 1968 MODELS Item Qty Part No Description Remarks A 1 3986183 Flywheel Assy Exc Power matic I I Transmission B 1 3923427 Clutch Housing Assy Exc T Models C 1 3821374 Clutch Housing Adapter D 1 3758986 Clutch Driven Plate E 1 6272200 Clutch Cover Press Plate F 1 3765371 Clutch Fork Assembly Purchase new or transfer from re G 1 3991405 Flywheel Assy Power placed engine See General Infor H 1 3998268 Flywheel Housing matic mation Note No 1 I 1 3750343 Flywheel Housing Cover Trans J 1 3 712745 Flywheel Housing Pin Only u K 1 3946085 Oil Pan Assy T Models L 1 3923424 Clutch Housing Assy Only M 1 3964245 Exhaust Manifold RH I N 1 3964246 Exhaust Manifold LH 4 1967 MODELS Require Items A thru L plus the following O 1 3888098 Inlet Manifold Assy 2 Barrel I P 1 1111309 Di tg O yOn1y Purchase new or transfer from re Q 1 3904800 Exhaust Manifold RH I placed g I R 1 3904399 Exhaust Manifold LH S 1 6437548 Oil Filter Shell Stud Assembly l T Models Only Purchased new See General Infor T 1 6437562 Oil Filter Element Assy T mation Note No 2 A Models Only 4 I 1966 MODELS Require Items A C thru J O thru R plus the following U 1 3946085 Oil Pan Assy L T Purchase new or transfer from re Models Only placed engine See General Infor V 1 3923424 Clutch Housing Assy I mation Note No 1 GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM 46