69 70 All Blazer 3835665 1 65 w gasket on r arm cover plain finish 55 58 All 8 cyl exc D D 59 Ser 3 8 cyl 60 61 Ser 10 thru 30 283 62 Ser 10 thru 30 8 cyl exc pos vent 63 All 8 cyl 64 66 All 283 327 exc closed vent H D A Cl A I R 67 All 283 327 exc H D A CI closed pos vent 6419440 1 1 78 air breather type FB8 55 57 D D 8 cyl 64 65 Ser 10 thru 30 w H D A CI 283 327 exc FFC 65 Ser 10 thru 30 w closed vent 283 69 G 10 20 Panel 8 cyl 70 Ser 10 20 4 WD Blazer 4 WD w B B 8 cyl 3714893 1 75 1 O D w 4 ears 55 60 All 6420741 1 1 82 CAP ASSY w adapter kit 6419926 KV 1012 66 Ser 10 w A I R 283 327 66 Ser 10 thru 30 w H D A Cl closed pos vent 8 cyl 67 Ser 10 thru 30 w H D Pre Cleaner 67 68 All w closed pos vent 283 307 327 3881834 1 80 CAP ASSY 67 70 All 3 53 5108474 1 61 CAP ASSY 55 57 D D 8 cyl 64 65 Ser 10 thru 30 w H D A Cl 283 exc FFC 65 66 Ser 10 thru 30 w closed vent 283 69 G 10 20 Panel 8 cyl 70 All Blazer 8 cyl 3723688 1 10 GASKET Wie I D x 1 Vr O D cork A 1 762 TUBE HOSE PlPE CLAMP BRACI lET Crankcase Ventilator Outer 55 All 8 cyl 3836346 1 2 05 1 6 O L w brkt 4V4 from end 56 59 Ser 3 8 cyl 1st design exc D D H T 3749684 1 2 60 w elbow extension 26 dev length 59 Ser 3 8 cyl 2nd design exc D D H T 60 Ser 10 20 w P G 283 61 62 Ser 10 20 w P G 283 exc closed vent 3776635 1 2 95 Note 1 NOTE 1 lt may be necessary to cut 6Vz from lower end to tube assy 60 62 Ser 10 thru 30 283 exc P G closed vent 63 4 WD 283 1st Series exc closed vent 3766704 1 3 10 65 66 Ser 10 thru 30 327 exc oil bath 3846120 1 2 90 vent to air cleaner 64 66 Ser 10 thru 30 w H D A Cl closed pos vent 283 exc FFC oil bath governor 67 Ser 10 thru 30 G 10 20 w closed pos vent 8 cyl exc A I R 3854538 1 2 10 64 66 Ser 10 thru 30 closed I vent w oil bath governor 283 3854540 1 2 85 65 66 Ser 10 thru 30 closed vent w oil bath air cleaner 327 3854568 1 2 65 66 Ser 10 w A l R 283 327 exc oil bath 67 Ser 10 20 H D A Cl w A R 8 cyl 67 Ser 10 20 G 10 20 closed pos vent w A R 8 cyl 3889193 1 3 35 66 Ser 10 A l R w oil bath 283 327 3889194 1 3 35 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 311 1 REV 6 71 1 51 1 758 1 762