58 60 PASS 348 exc H L Cam H Per Sp H Per 61 PASS 348 exc H Per w HL Cam Sp H Per cast 3755011 3774977i 1 177 25 59 60 PASS w H Per Sp H iPer 348 exc 3 2BC 61 PASS w Sp H Per 348 exc 3 2BC cast 3755011 3781932 1 205 50 59 61 PASS w 3 2BC 348 cast 3755011 or 3771705 3815707 1 215 00 61 CORVETTE w F l cast 3756519 3775415 1 173 50 58 59 PASS w l l L Cam 348 60 61 PASS HL Cam w P G 348 cast 3755011 37820125 1 205 50 62 Ser 10 thru 30 261 cast 3769925 3774587 1 154 00 62 ALL 283 cast 3789817 3816572 1 162 50 62 PASS 409 cast 3788068 3815996 1 228 50 62 63 PASS 327 62 63 CORVETTE exc E1 Sp H Per cast 3782870 or 3789817 3816521 1 170 00 62 63 CORVETTE w Sp H Per F l cast 3782870 or 3789817 3816522 1 200 00 63 Ser 10 D D 4 cyl 3792487 1 122 50 63 PASS w H Per dual 4BC 409 cast 3788068 3827156 1 228 50 63 ALL 230 cast 3788406 3828990 1 139 50 63 ALL 292 cast 3789404 3828992 1 152 00 NOTE On all models prior to 1948 the Suction Pipe Unit must be replaced by 3712747 QBNOTE When using on COMM w H T Flywheel Housing 3754971 must be used NOTE When using on COMM UTIL w H T drill and tap 18 hole for oil cooler line NOTE 1955 model initial installation requires conversion kit 3765002 or 3765004 as shown tNOTE It is mandatory to use 2 3758440 Gaskets to seal water holes and prevent coolant leakage itNOTE For Dual 4 Barrel Carb with HL Cam models use Cromflex rings NOTE lt will be necessary to drill through the partially drilled l holes in the case to provide for spark plug cooling NOTE When using 3782012 on jobs without spark plug cooling it will be necessary to use the following parts 2 3759254 cyl heads 2 3758383 head gaskets 8 5612241 spark plugs and 1 3758390 oil level gauge tube assy NOTE Replace No 3 crankshaft bearing cap bolt R 1 1 side with stud 3815532 M NOTE lt may be necessary to either transfer five bearing cap bolts or bearing cap studs UNIT Conversion 55 PASS 8 cyl 55 Ser 3 4 8 cyl exc HD 3765002 1 18 20 55 CORVETTE 8 cyl 55 Ser 4 w l l D 8 cyl 3765004 l 1 28 65 NOTE Required when installing 1956 V 8 partial engines and fitted block in 1955 Pass Comm and Truck models having FOUR OUART OIL PAN lNOTE Required when installing 1956 V 8 partial engines and fitted block in 1955 Corvette and Truck models having FIVE QUART OIL PAN 0 034 EXPANSION PLUGS Cylinder Block Also see 8 970 38 59 ALL 6 cyl trt and rr in block 2 in 53 55 CORVETTE 6 cyl frt and rr 2 in 3835121 A R 20 38 59 ALL CORVETTE 6 cyl oil press pipe in block 199 O D cup shape 3835577 A R 1 531 38 53 ALL 2 dia 838127 1 0 553 38 63 ALL CORVETTE exc 348 409 left side block cup type 1 in 838538 A R 15 53 55 CORVETTE 6 cyl 54 57 ALL 6 cyl 2 dia 3704158 1 0 553 55 60 ALL CORVETTE 8 cyl exc 348 oil pressure and tappet cup shape dia 3701638 6 1 531 55 57 ALL CORVETTE 8 cyl cup type 2 dia 3704794 1 0 553 55 63 ALL CORVETTE 8 cyl square socket water jacket hole 1 3738306 A R 40 58 63 PASS 348 409 water jacket hole cup type 1 O D 3743389 11 15 58 63 PASS 348 409 oil holes cup type Fl O D 3736407 4 1 531 60 62 ALL 261 oil filter oil gallery hole Ml x solid 3759366 1 07 0 0sa 0 us4 iss C i M REVISED NOVEMBER 1 g62 General Motors Corporation