ENGINE I IiE I IDE Pag General Description 6 10 Component Replacement and AdjLain ent 6 11 Engine Seal and Shields 6 lli Seal and Retainer 6 11 Front Shield 6 11 Left Shield 6 13 Right Shield 6 13 Rear Center Shield 6 14 Muffler Heat Shield 6 14 Engine Cooling Components 6 1 Upper Shroud 6 1 Lower Shrouds and Thermostats 6 15 Front Shrouds 6 1 Exhaust Ducts 6 1 Rear Shrouds 6 15 Blower Belt Idler Pulley and Belt Guides 6 17 Blower 6 1 Exhaust Manifolds 6 1 Engine Mounts 6 1 Crankcase Cover and Blower Bearing 6 1 Oil Filter and Delcotron Adapter 6 1 Oil Cooler 6 1 Oil Pump 6 19 Oil Pan 6 2 Oil Pick Up Screen and Tube 6 2 Crankshaft Pulley or Harmonic Balancer 6 2 Engine Rear Housing Seal 6 20 Engine Rear Housing 6 24 Distributor Drive Gear and Fuel Pump Eccentric 6 21 Valve Lifters Valve Train Components 6 2Cylinder Head Assemblies 6 2Valve Springs and or Valve Stem Oil Seals 6 21 Connecting Rod Bearings 6 24 Piston Ring and or Cylinder Gasket 6 2 Camshaft 6 2 Measuring Lobe Lift At Push Rod 6 2 Engine Assemblies Power Train 6 2 Repair Procedures 6 2 Engine Assemblies 6 2 Disassembly 6 28 Cleaning and Inspection 6 3 Assembly 6 3 Cylinder Head Assemblies 6 3 Disassembly 6 3 Cleaning 6 3 Inspection 6 3 Repairs 6 4 p Cooling Fins 6bb4 Valve Seats g Valves 6 40 Exhaust Manifold Sleeves 6 4 Valve Guides 6 4 Stud Replacement 6 Thread Repair 6 43 GENERAL DE The six cylinder over head valve engines covered this section are the 164 cu in engines used in Or Corvair 10100 and 10500 series vehicles fig 18j The engine is horizontally opposed air cooled and a sh two opposing aluminum cylinder heads that incorporate integral intake manifolds The aluminum crankcase is vertically divided into tv lo halves each having three pilot openings for indivi 1 cast iron cylinders The crankshaft and ca mshaft a e located between the split halves of the crankcase Thle crankshaft supported by the crankcase halves has four I CHAN11CAL x Page Vacuum Balance Tube and Plug Replacement 6 43 Choke Coil and Control Rod Replacement 6 43 Assembly 6 43 Valve Lifters Hydraulic 6 44 Disassembly 6 44 Cleaning and Inspection 6 44 Assembly 6 44 Cylinder Piston and Connecting Rod Assemblies 6 45 Disassembly 6 45 Cleaning and Inspection 6 45 Cylinder 6 45 Piston 6 46 Piston Pin 6 46 Connecting Rod 6 46 Assembly 6 46 Piston and Connecting Rods 6 46 Piston Rings 6 47 Cylinder 6 48 Crankcase 6 48 Cleaning and Inspection 6 48 Repairs 6 49 Oil iPick Up Screen and Tube Replacement 6 49 011 Dip Stick Tube Replacement 6 49 Stu Replacement 6 49 Th ead Repair 6 49 Oil Filter and Delcotron Adapter g g Cleaning and Inspection 6 49 Repairs g 50 Oil Filter By Pass Valve Replacement 6 50 Stud Replacement 6 50 Engine Rear Housing 6 50 Disassembly g 50 Cleating and Inspection 6 50 Assembly g 50 Repairs g gl Seajl Replacement 6 51 Oil Cooler By Pass Valve Replacement 6 51 Housing Replacement 6 51 Flywheel Housing 6 51 Cleaning and Inspection 6 51 Seal Replacement 6 51 Crankshaft g 52 Clearting and Inspection 6 52 Disassembly 6 52 Assembly 6 53 Main bearings 6 53 Inspection 6 53 Checking Clearances 6 53 Connecting Rod Bearings 6 54 Inspection 6 54 Checking Clearances 6 54 Camshaft and Timing Gear 6 55 Inspection 6 55 Disassembly 6 55 Assembly 6 55 SCRIpTION main bearings The camshaft journals having no bearings ride directly on the crankcase halves The cylinders are numbered rear to front 1 3 5 on the right bank and 2 4 6 on the left bank Firing order is 1 4 6 2 3 6 Crankshaft rotation as viewed from the rear is counter clockwise Full pressure lubrication through a full flow oil filter and an air cooled oil cooler is furnished by a gear type oil pux p located in the engine rear housing The distributor driven by a helical gear on the crankshaft drives the oil pump The main oil gallery feeds oil CORVAR SHOP MANUAL