61 62 Pass 283 327 exc closed vent 3776635 1 Note 1 1 NOTE 1 It may be necessary to cut GVZ from lower end to tube assy 58 62 Pass 348 409 exc closed vent 3740642 1 62 Pass w P G 327 exc closed vent 3790735 1 64 Pass 409 exc dual 4BC 3846125 1 vent to air cleaner 64 Pass w dual 4BC 409 3846136 1 vent to air cleaner 64 Pass w closed vent 8 cyl exc 409 3846120 1 vent t0 air cleaner 38 64 Pass 3830667 A R HOSE 2 l D cut to desired length 4 962 38 64 Pass 3828380 A R HOSE vent V2 x 18 O L cut to desired length 38 64 Pass w pos vent 3830660 A R HOSE l D 8 962 38 64 Pass 3857208 A R HOSE vent l D x Vl O D x 25 ft 8 962 38 64 Pass 3943198 1 HOSE vent carb to oil filter J shape Wu l D x 25Vz 38 64 Pass 3865329 A R HOSE vent z l D 8 962 38 64 Pass 3981058 1 HOSE Wu x 29 63 64 Pass w closed vent 6 cyl 3833103 1 HOSE cleaner to rocker cover 55 58 Pass 3717941 1 PIPE ventilator to valve positive vent 28 dev length 56 61 Pass w 4BC closed vent 3798750 1 CLAMP vent hose 64 Pass 3877445 1 CLIP vent hose 50 59 Pass w pos vent 6 t cyl 61 62 Pass w closed vent 6 cyl 62 Pass w positive vent 6 cyl 3693168 1 BRACKET tube 58 60 Pass exc T G 61 Pass 8 cyl exc T G I closed vent 62 Pass 8 cyl exc P G closed vent 3741636 1 BRACKET tube 1 800 SWITCH SOCKET ASSY Oil Pressure See group 9 748 for tell tale windows 55 Pass 1998082 I 27a free length 56 63 Pass exc 348 409 64 Pass 3815936 I 2 V 0 L Note 1 NOTE 1 When a dual 4 barrel carburetor replacement is involved a small relief should be cut on inlet manifold for setting of oil pressure switch Adapter 443998 can also be used l 58 63 Pass 348 409 3815935 1 ZV4 0 L 55 Pass 2974308 1 SOCKET ASSY w spring and contact 2 892 1 835 FILTER UNIT Oil see group 3 163 for flexible pipes 55 62 Pass 235 5576528 1 1 qt capacity type SC 660 56 64 Pass 8 cyl 5574538 1 AC type PI I 16 1 qt cap IMPORTANT By pass plug over front lower case connection must be driven in when full flow oil filter is used Must be flush when by pass type or no filter is used 1 836 ELEMENT Oil Filter 40 62 Pass 6 cyl 55 Pass 8 cyl 5572288 1 AC P 1 15 type SC 353 1 qt cap 38 57 Pass 6 cyl 5572425 I AC P 1 17 type S 2 2 qt cap 56 57 Pass 8 cyl 5573976 1 AC PF 131 1 qt cap 58 64 Pass 8 cyl 5574540 1 AC PF 141 PM 16 1 1 qt cap fleet pack replaceable element 63 64 Pass 6 cyl 6438261 1 type PF 25 one piece throw away 1 pint cap 40 62 Pass 6 cyl 55 Pass 8 cyl 5576139 I ELEMENT ASSY fleet pack type 12 115 Note 1 NOTE 1 Consists of 12 single elements 5572288 58 64 Pass 8 cyl 5576054 1 ELEMENT ASSY fleet pack type 12 141 Note 2 NOTE 2 Consists of 12 single elements 5574540 1 837 VALVE ASSEMBLY COVER UNIT BODY Oil Filter 56 64 Pass 8 cyl 5573979 1 by pass 1 qt cap 63 64 Pass 6 cyl 5575416 1 by pass 56 57 Pass 8 cyl exc oil filter 58 59 Pass 8 cyl exc oil filter F I 2 2BC w H L Cam 3725063 1 COVER UNIT cavity Note 1 NOTE I Consists of 2 gaskets and 1 bolt 56 64 Pass 8 cyl 5574535 1 BODY w stud 1 qt cap 1970 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPOFlATlON P A 30 1 1 25 1 762 1 837