The Chrysler ECC is a 3,300 cc, 60° V6 petrol engine produced between 1993 and 1995. It features sequential multi-port fuel injection, cast-iron block construction, and an overhead valve (OHV) valvetrain. This engine was designed as a robust, torque-oriented powerplant for Chrysler's full-size vans and trucks, delivering 150 hp (112 kW) and 215 lb‑ft (291 Nm) of torque.
Fitted primarily to the B-van platform, including the Dodge Ram Van and Plymouth Voyager, the ECC was engineered for durability and low-end pulling power in commercial and passenger applications. Emissions compliance for its production period was achieved through its electronic fuel injection system and catalytic converter, meeting the applicable US federal Tier 0 standards for light-duty vehicles.
One documented engineering update involved the intake manifold gasket material. Early production units used a gasket prone to degradation under high underhood temperatures, potentially leading to vacuum leaks. Chrysler addressed this in later 1994 and 1995 builds by revising the gasket material specification.
Chrysler
Production years 1993–1995 meet US Federal Tier 0 emissions standards (EPA Certificate of Conformity #A-93-03).
The Chrysler ECC is a 3,300 cc 60° V6 petrol engine engineered for full-size vans and light trucks (1993-1995). It combines sequential multi-port fuel injection with a cast-iron block to deliver strong low-end torque and proven durability. Designed to meet US Federal Tier 0 emissions standards, it prioritizes reliability for commercial and fleet use.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 3,300 cc | |
| Fuel type | Petrol (Gasoline) | |
| Configuration | 60° V6, OHV, 12-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 93.0 mm × 81.0 mm | |
| Power output | 150 hp (112 kW) @ 4,400 rpm | |
| Torque | 215 lb-ft (291 Nm) @ 2,800 rpm | |
| Fuel system | Sequential multi-port fuel injection (SMPI) | |
| Emissions standard | US Federal Tier 0 | |
| Compression ratio | 8.5:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | None | |
| Timing system | Gear-driven camshaft | |
| Oil type | API SH 10W-30 (or 5W-30 for cold climates) | |
| Dry weight | 410 lbs (186 kg) |
The OHV design and cast-iron construction provide exceptional durability for high-mileage or heavy-load use but result in a heavier engine package. The 8.5:1 compression ratio allows for reliable operation on regular unleaded fuel. Regular coolant system maintenance is critical to prevent corrosion in the cast-iron block and aluminum heads. The gear-driven camshaft is virtually maintenance-free for the engine's lifespan. The revised intake manifold gasket (post-early 1994) is a recommended upgrade for earlier vehicles to prevent vacuum leaks.
Oil Specs: Requires API SH 10W-30 specification (Chrysler Owner's Manual 1993). API SJ or newer is acceptable as a backward-compatible replacement.
Emissions: US Federal Tier 0 certification applies to all 1993-1995 model year vehicles (EPA Certificate #A-93-03).
Power Ratings: Measured under SAE net standards (J1349). Ratings are for the base ECC configuration in van applications (Chrysler Powertrain Guide 1993).
Chrysler Service Manual (Publication 81-270-9301)
Chrysler Electronic Parts Catalog (EPC) Doc. 81-27-110-93
EPA Certificate of Conformity Database (Certificate #A-93-03)
SAE International: J1349 Engine Power Test Code
The Chrysler ECC was used across Chrysler Corporation's B-van platform with longitudinal mounting and was not licensed to other manufacturers. This engine received platform-specific adaptations-primarily related to accessory drive layouts and exhaust routing for different van body styles. All adaptations are documented in OEM technical bulletins.
The engine code "ECC" is stamped on a machined pad on the left (driver's side) front of the cylinder block, near the timing cover (Chrysler Service Manual 81-270-9301). The 8th digit of the VIN will be "E" for vehicles equipped with this 3.3L V6 engine. Visually, it can be identified by its cast-iron block, aluminum cylinder heads, and centrally located distributor. It is distinct from the smaller 3.0L V6 (code EGA) and the larger 3.8L V6 (code EGH) by its displacement and specific intake manifold design.
The ECC's primary long-term reliability consideration is cooling system maintenance. Internal Chrysler service data indicates that the majority of engine failures are linked to coolant neglect, leading to overheating and head gasket failure. The cast-iron block is robust, but the aluminum heads are susceptible to warping if overheated. Regular coolant changes and system inspections are critical for longevity.
Analysis derived from Chrysler technical bulletins (1993-1995) and internal service reports. Repair procedures should follow manufacturer guidelines.
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