The Dodge 318 engine (5.2L V8) is one of Chrysler’s most legendary small-block engines, known for its durability, simplicity, and long service life. Produced in both A-series and LA-series versions, the 318 powered Dodge trucks, muscle cars, and classic performance vehicles for decades.
This complete guide covers Dodge 318 engine specs, oil type, oil capacity, oil change interval, maintenance cost, performance details, and reliability.
Dodge 318 Engine Overview
The Dodge 318 V8 was designed as a balanced engine offering good torque, reliability, and easy maintenance. It became one of the most widely used Chrysler small-block engines across multiple decades.
- 5.2L (318 cubic inch) V8 engine
- A-Series (1957–1966) and LA-Series (1967–2003)
- OHV pushrod design
- Cast iron block construction
- Widely used in Dodge Ram, Dart, and muscle cars
Dodge 318 Engine Specifications
Specification | Details |
|---|---|
Engine Type | V8 OHV Small Block |
Displacement | 318 cu in (5.2L) |
Horsepower | 150 – 230 HP (LA) / up to 290 HP (A-series) |
Torque | 240 – 420 lb-ft |
Fuel System | Carbureted / EFI (later models) |
Block Material | Cast Iron |
Dodge 318 Engine Oil Type
The Dodge 318 uses conventional or high-mileage oil depending on engine condition. Thicker oil is often preferred for older engines with higher mileage.
- Normal Conditions: SAE 10W-30
- Hot Climate / Heavy Use: SAE 10W-40
- High Mileage Engines: High-mileage 10W-30
- Performance Builds: 15W-40 diesel-grade oil (optional)
Dodge 318 Oil Capacity
Application | Oil Capacity (with filter) |
|---|---|
A-Series Engines | ~5 – 7 quarts |
LA-Series Engines | ~4 – 6 quarts |
Modified / Performance Builds | Varies (up to 7+ quarts) |
Oil Pressure Range
- Idle (Hot): 15 – 20 PSI
- 2000–2500 RPM: 45 – 65 PSI
- Cold Start: Up to 70 PSI
Oil Change Interval
- Normal Driving: Every 3,000 – 5,000 miles
- Classic Engines: Every 3–6 months
- Heavy Use: Every 2,500 – 3,500 miles
Maintenance Cost
- DIY Oil Change: $30 – $70
- Workshop Service: $80 – $150
- Full Tune-Up: $150 – $400
Common Dodge 318 Engine Problems
Common in older engines due to hardened gaskets and seals.
Often caused by wear in bearings or incorrect oil viscosity.
Fuel delivery problems are common in older carbureted versions.
Frequently Asked Questions (FAQ)
What oil does a Dodge 318 use?
Most Dodge 318 engines use SAE 10W-30 or 10W-40 conventional or high-mileage oil.
How much oil does a Dodge 318 take?
The oil capacity is typically 4 to 7 quarts depending on engine version and oil pan.
Is the Dodge 318 a reliable engine?
Yes, it is widely known as one of the most durable and long-lasting V8 engines ever built.
What vehicles used the Dodge 318 engine?
It was used in Dodge Ram trucks, Plymouth models, Dodge Dart, and many Chrysler vehicles.
What is the horsepower of a 318 engine?
It ranges from 150 HP to 290 HP depending on configuration and year.