Vi I 250 mem Asszmanv j g V I a 1 I 0 033 BLOCK ASSEMBLY Cylinder Con t I FITTEDCYLINDER BLOCK Includes Pistons Pins Rings and Bearings A NOTE 1 When using in plc of 1963 thru 1967 model it is necessaryto use the 1968 oil pan gskr units y 88 72 All Blazer 250 exc L P Gas 374210 1 Note 1 69 72 All w L P Gas 250 3958677 1 0 034 EXPANSION PLUGS Cylinder Block Also see 8 970 8 86 72 All Blazer 250 V 838538 A R water jacket balance shaft hole cup type n 1 1 70 72 All Blazer 250 3788418 A R cyl head water jacket 0 D cup type 88 72 All Blazer 250 3789880 1 V water jacket rear 2 0 0 cup type 71 72 All Blazer i 3835577 1 main oil gal frt hole 0 0 D 0 056 BOLT STUD Crankshaft Bearing Cap I A 66 72 All Blazer 250 V 3872781 A R I 0 14 x 3 1 86 72 All Blazer 250 3852870 1 STUD No 6 brg cap right 3 16 x 1 14 X 3a e V 0 093 PLAiSTIGAGE CrankshVaft Bearing 1 I e 1 68 72 All Blazer 250 1390274 A R green package type PG 1 I2 pieces V 0 095 CAP Crankshaft Front Bearing 66 72 All Blazer 250 3970194 A R No 1 2 3 4 5 6 l 0 096 BEARING UNIT Crankshaft Front 1 Upper and 1 Lower I See Chart for Model Application NOTE See Dealer Price Schedule P A 26 for applicable prices I CRANKSHAFT MAIN BEARING CHART Position Std 001 U S 002 U S 1 010 U S 020 U S 030 U S 68 70 All Blazer 250 All exc j Rear 3792553 3829062 3829063 3829064 3829065 68 70 All Blazer 250 exc I I A T E Rear 3792558 3792559 3792560 3792561 3792562 66 70 All Blazer w A T 250 Rear 38290670 38290680 38290690 38290700 38290710 3829 0720 7 Position Std 001 U S 002 U S 009 U S 010 U S 020 U S 88 70 All Blazer 250 All exc Rear V 3876072 V i 1 88 70 All Blazer 250 exc V A T Rear r 3890979 86 70 All Blazer w A T 250 Rear 7 3890979 71 72 All Blazer All exc V Rear 3792553 3829062 3829063 3876072 3829064 3829065 I 71 72 All Blazer exc A T Rear 3792558 3792559 3792560 3876073 3792561 3792562 71 72 All Blazer w A T Rear A 3829067 3829068 3829069 3890979 3829070 3829071 Position 030VU S V 1 71 72 All Blazer w A T Rear 3829072 Aluminum M 400 I 0 098 CAP Crankshaft Front Intermediate Bearing See Group 0 095 for Model Application I U 0 099 BEARING UNIT Crankshaft Front Intermediate 1 Upper and 1 Lower VV I See Chart following Group 0 096 for Model Application NOTE See Dealer Price Schedule P A 26 for applicable prices V I I 0 100 CAP Crankshaft Center Bearing See Group 0 095 for Model Application 0 101 BEARING UNIT Crankshaft Center 1 Upper and 1 Lower I See Chart following Group 0 0967for Model Application I 7 NOTE See Dealer Price Schedule P A 26 for applicable prices n GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TL 0 033 0 101 0 26 REV 5 79