Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) engine DIY maintenance and service manual

General Information

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) is an 194 in³ (3.18 L) internal combustion reciprocating Inline 6 engine. It has bore/stroke ratio of 3.5625 in × 3.25 in (9.0488 cm × 8.26 cm), and uses 8.5:1 compression. This engine was rated 95 hp (70.84 kW) at 4000 rpm and 155 lbf⋅ft (210.15 N⋅m) of torque at 2000 rpm. It was used in Chevrolet and GMC cars.

Engine Performance Rating

SAE J1349 (SAE Net)

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	95 hp (70.84 kW) at 4000 RPM
Torque Rating	210.15 N⋅m155 lbf⋅ft155 lbf⋅ft at 2000 RPM

SAE J1995 (SAE Gross)

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) engine performance rating according to SAE J1995 (SAE Gross) standard.
Parameter	Output
Power Rating	120 hp (89.48 kW) at 4400 RPM
Torque Rating	239.98 N⋅m177 lbf⋅ft177 lbf⋅ft at 2400 RPM

Specifications

General

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 6
Engine Displacement	3.18 L194 in³194 in³
Bore	9.0488 cm3.5625 in3.5625 in
Stroke	8.26 cm3.25 in3.25 in
Compression Ratio	8.5:1
Firing Order	1-5-3-6-2-4
Curb Weight	223.17 kg492 lb492 lb
Curb Idle Speed	450-500 RPMs

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Block, crankshaft and pistons

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) engine block, crankshaft and pistons specifications.
Parameter	Value
Block Material	Cast alloy iron
Crankshaft Material	Cast-nodular iron
Piston Material	Cast alloy aluminum; flat head
Piston Pin Material	Chromium steel
Connecting Rod Material	Drop forged steel

Compression

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) engine compression.
Parameter	Value
Compression (standart)	9.53 atm.140 Psi140 Psi

Spark Plugs and Wires

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) spark plugs and wires specifications.
Parameter	Value
Spark Plugs	AC Delco 46N (long reach)
Spark Plug Size	0.55 in0.55 in14 mm
Spark Plug Gap	889 μm0.035 in0.035 in
Wires Resistance (nominal)	7000 ohms per foot

Engine head and valvetrain

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) engine head and valvetrain specifications.
Parameter	Value
Head Material	Cast alloy iron
Valvetrain Type	OHV
Valves per Cylinder	2
Camshaft Material	Cast alloy iron

Air Intake

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Downdraft Rochester B with hand choke control

Valve Timings

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) valve timings.
Parameter	Value
Intake Opens	62° B.T.D.C.
Intake Closes	94° A.B.D.C.
Intake Duration	336°
Exhaust Opens	92° B.B.D.C.
Exhaust Closes	63° A.T.D.C.
Exhaust Duration	335°
Valves Overlap	311°
Ignition Timing	4° B.T.C.

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) valve timing diagram.

Oil Pump

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) oil pump specifications.
Parameter	Value
Oil Pump	Spur-gear type driven by distributor shaft
Oil Pump Pressure	3.06 atm.45 Psi45 Psi at 1500 RPM
Oil Pump Capacity	16.28 lpm3.58 UK gpm4.3 US gpm at 2000 RPM

Water Pump

Chevrolet gasoline Straight-6 Third generation 194 CID (3.2 L) 95 hp (1966-) water pump specifications.
Parameter	Value
Water Pump	Centrifugal type driven by V-belt
Water Pump Capacity	219.53 lpm48.29 UK gpm58 US gpm at 4400 RPM