Chrysler EGA Specifications
| Engine Model: Chrysler EGA |
| Engine Type: 4-cycle 6-cylinder OHV 12-valve liquid-cooled gasoline |
| Total Displacement: 201.5 cu.in (3.3 L) |
| Rated Engine Power: 147-180 hp (110-134 kW) at 5000 rpm |
| Fuel System Type: Sequential multi-point fuel injection |
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The Chrysler EGA engine is a 3.3-liter, naturally
aspirated, 60-degree V6 gasoline powerplant produced from 1989 to 2010. It holds
significance as the first V6 engine engineered entirely in-house by Chrysler,
designed to replace the Mitsubishi-sourced 3.0-liter unit in the company's
minivan lineup. The engine is a member of the Chrysler OHV V6 family and is
renowned for its robust construction, utilizing a cast iron cylinder block and
aluminum cylinder heads.
Its design prioritizes durability and low-end torque, making it a dependable
workhorse for a wide range of Chrysler, Dodge, and Plymouth vehicles,
particularly minivans and sedans. Over its two-decade production run, the EGA
engine earned a reputation for reliability and longevity, with many examples
exceeding 200,000 miles (320,000 km) when properly maintained.
Engine Type: 60° V6, 4-stroke gasoline, naturally aspirated.
Displacement: 3,301 cc (201.5 cu.in).
Bore x Stroke: 93.0 mm x 81.0 mm (3.66 in x 3.19 in).
Compression Ratio: 8.9:1 for first-generation engines (1989-2000).
Compression Ratio: 9.3:1 to 9.4:1 for second-generation engines (2000-2010).
Firing Order: 1-2-3-4-5-6.
Recommended Fuel: AИ-92 (RON 92) regular unleaded gasoline.
Fuel System: Sequential multi-point fuel injection (MPFI).
Ignition System: Distributorless ignition system (DIS) with a coil pack.
Engine Control: Powertrain control module managing fuel injection and ignition
timing.
Engine Weight (dry): 180 kg (397 lbs) as a complete assembly.
Construction: Interference-free design, meaning the valves will not contact the
pistons in the event of a timing chain failure.
Valvetrain: OHV (Overhead Valve / Pushrod) with 12 valves, utilizing 2 valves
per cylinder. Hydraulic roller lifters (hydraulic compensators) are incorporated
to eliminate the need for manual valve lash adjustments.
Power Output:
Early models (1989-2000): 147-162 hp (110-121 kW) @ 4,800-5,000 rpm.
Later models (2000-2010): 180 hp (134 kW) @ 5,000 rpm.
Torque Output:
Early models: 245-275 Nm (180-203 lb-ft) @ 3,200-3,600 rpm.
Later models: 285 Nm (210 lb-ft) @ 4,000 rpm.
Material: Cast iron, providing a rigid and durable
foundation capable of withstanding high operational stresses and contributing to
the engine's longevity. Configuration: 60-degree V6 with the cylinder banks
arranged at a 60-degree angle for inherent balance and smooth operation.
Cylinders: Six cylinders arranged in two banks of three.
Cylinder Bore: 93.0 mm (3.66 in), precision-machined for accurate piston fit.
Crankshaft: Nodular cast iron, supported by four main bearings for robust
rotational stability.
Connecting Rods: Forged steel for high strength and resistance to fatigue under
load.
Material: Aluminum alloy for each cylinder bank, which
reduces overall engine weight and improves heat dissipation compared to cast
iron.
Valvetrain: Overhead valve (OHV) with pushrods and rocker arms. The camshaft is
located within the cylinder block, and the valves are actuated via hydraulic
roller lifters, pushrods, and pedestal-mounted rocker arms.
Valves per Cylinder: 2 (one intake, one exhaust) for a total of 12 valves.
Hydraulic Lifters: Equipped with hydraulic lash adjusters to ensure quiet
operation and zero-maintenance valve clearance.
System Type: Sequential multi-point fuel injection
(SFI). The system precisely meters fuel delivery to each cylinder's intake port,
optimizing combustion efficiency, cold starts, and throttle response. Fuel
Injectors: Six individually controlled injectors.
Intake Manifold: Early models utilized a cast aluminum intake manifold.
Post-2002 models employed a reinforced plastic intake manifold, which is lighter
but susceptible to cracking over time. Throttle Body: Electronically controlled
or cable-actuated depending on the application and model year.
System Type: Full-pressure, force-feed system utilizing
a gerotor-type oil pump. Oil Capacity (with filter): 4.0 L (4.2 qt) for early
models (1989-2000); 4.7 L (5.0 qt) for later models (2000-2010).
Recommended Oil Viscosity: 5W-30 for most applications ; 10W-30 was specified
for early models, with a change to 5W-20 for some post-2005 vehicles to improve
fuel economy. Oil Filter: Full-flow, spin-on canister type.
System Type: Liquid-cooled, pressurized system with a
centrifugal water pump. Coolant Capacity: System capacity varies based on
vehicle application and the presence of a rear heater, ranging from 9.5 to 11.0
L (10.0 to 11.6 qt). Thermostat: Regulates coolant flow to maintain optimal
operating temperature. Water Pump: Belt-driven, mounted on the engine front
cover.
Timing Drive: A short, robust single-row roller chain
connects the crankshaft sprocket to the camshaft sprocket, ensuring precise
valve timing. The chain is designed for long life, though stretching can occur
after high mileage.
Balance Shafts: Some configurations included balance shafts to further refine
engine smoothness and reduce vibration. Exhaust System: Cast iron exhaust
manifolds with a crossover pipe leading to a single catalytic converter.
Electrical System: 12-volt system with a high-output alternator.
Oil Change Interval: Every 5,000-8,000 km (3,000-5,000
miles) under normal driving conditions. More frequent changes are advised for
severe duty. Coolant Change Interval: Every 5 years or 160,000 km (100,000
miles) for long-life coolant.
Spark Plug Replacement: Recommended every 48,000-80,000 km (30,000-50,000 miles)
depending on spark plug type. Timing Chain: No specified replacement interval;
however, inspection for noise or stretch is advised after 200,000 km (120,000
miles).
Valve Clearance: Not adjustable due to the use of hydraulic lifters. Engine
Lifespan: Estimated service life ranges from 350,000 to 400,000 km (220,000 to
250,000 miles) with proper maintenance.
Cylinder Head Bolts (final pass): 90° turn after
initial torque.
Connecting Rod Cap Bolts: 45 Nm (33 lb-ft) + 90° turn.
Main Bearing Cap Bolts: 100 Nm (74 lb-ft) + 90° turn.
Intake Manifold Bolts: 22 Nm (16 lb-ft).
Valve Rocker Arm Bolts: 22 Nm (16 lb-ft).
Spark Plugs: 27 Nm (20 lb-ft).
Oil Pan Bolts: 22 Nm (16 lb-ft).
Water Pump Bolts: 22 Nm (16 lb-ft).
Camshaft Sprocket Bolt: 100 Nm (74 lb-ft).
Crankshaft Damper Bolt: 175 Nm (129 lb-ft).
The Chrysler EGA engine was utilized across a wide
range of Chrysler Corporation vehicles, including Chrysler, Dodge, Plymouth, and
Eagle brands, spanning from 1989 to 2010.
Chrysler Town and Country (1990-2010)
Chrysler Voyager / Grand Voyager (1989-2007)
Chrysler Concorde (1992-1997)
Chrysler New Yorker (1990-1993)
Chrysler Imperial (1989-1993)
Chrysler Dynasty (1990-1993)
Dodge Caravan / Grand Caravan (1989-2010)
Dodge Intrepid (1992-1997)
Dodge Dynasty (1990-1993)
Plymouth Voyager / Grand Voyager (1989-2000)
Eagle Vision (1992-1997)
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