Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp engine DIY maintenance and service manual

General Information

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp is an 292 in³ (4.79 L) internal combustion reciprocating Inline 6 engine. It has bore/stroke ratio of 3.875 in × 4.125 in (9.842 cm × 10.478 cm), and uses 8.0:1 compression. This engine was rated 153 hp (114.09 kW) at 3600 rpm and 255 lbf⋅ft (345.73 N⋅m) of torque at 2400 rpm. It was used in Chevrolet and GMC cars.

Engine Performance Rating

SAE J1995 (SAE Gross)

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp engine performance rating according to SAE J1995 (SAE Gross) standard.
Parameter	Output
Power Rating	170 hp (126.77 kW) at 4000 RPM
Torque Rating	372.85 N⋅m275 lbf⋅ft275 lbf⋅ft at 1600 RPM

SAE J1349 (SAE Net)

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp engine performance rating according to SAE J1349 (SAE Net) standard.
Parameter	Output
Power Rating	153 hp (114.09 kW) at 3600 RPM
Torque Rating	345.73 N⋅m255 lbf⋅ft255 lbf⋅ft at 2400 RPM

Specifications

General

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp engine general specifications.
Parameter	Value
Type	Internal Combustion Reciprocating
Fuel Type	Gasoline
Cylinder Configuration	Inline 6
Engine Displacement	4.79 L292 in³292 in³
Bore	9.842 cm3.875 in3.875 in
Stroke	10.478 cm4.125 in4.125 in
Compression Ratio	8.0:1
Firing Order	1-5-3-6-2-4
Curb Weight	254.47 kg561 lb561 lb
Curb Idle Speed	450-475 RPMs

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Block, crankshaft and pistons

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp engine block, crankshaft and pistons specifications.
Parameter	Value
Block Material	Cast alloy iron
Crankshaft Material	Forged high carbon steel
Piston Material	Cast alloy aluminum with steel struts; cam ground; 3 ring grooves above piston pin
Piston Pin Material	Chromium steel
Connecting Rod Material	Forged steel

Spark Plugs and Wires

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp spark plugs and wires specifications.
Parameter	Value
Spark Plugs	AC Delco 42N
Spark Plug Size	0.55 in0.55 in14 mm

Engine head and valvetrain

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp 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 292 CID (4.8 L) High Torque 153 hp air intake specifications.
Parameter	Value
Air Intake Method	Naturally Aspirated

Fuel Injection

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp fuel injection specifications.
Parameter	Value
Injection Type	Carburetor
Injection Info	Downdraft Rochester with manual choke control

Valve Timings

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp valve timings.
Parameter	Value
Intake Opens	45° B.T.D.C.
Intake Closes	99° A.B.D.C.
Intake Duration	324°
Exhaust Opens	88° B.B.D.C.
Exhaust Closes	56° A.T.D.C.
Exhaust Duration	324°
Valves Overlap	288°
Ignition Timing	T.C.

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp valve timing diagram.

Oil Pump

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp oil pump specifications.
Parameter	Value
Oil Pump	Spur-gear type driven by distributor shaft
Oil Pump Pressure	4.08 atm.60 Psi60 Psi at 2000 RPM
Oil Pump Capacity	22.71 lpm5 UK gpm6 US gpm at 2000 RPM

Water Pump

Chevrolet gasoline Straight-6 Third generation 292 CID (4.8 L) High Torque 153 hp water pump specifications.
Parameter	Value
Water Pump	Centrifugal type driven by fan belt
Water Pump Capacity	264.95 lpm58.28 UK gpm70 US gpm at 4400 RPM