Pontiac 400 W72 Engine Specs: A Powerful Beast
Engine Configuration
The Pontiac 400 W72 engine is a legendary powerhouse that was produced by Pontiac from 1977 to 1979. Known for its impressive performance and durability, this engine was designed to deliver an exhilarating driving experience. Let’s take a closer look at its specifications and configuration.
The Pontiac 400 W72 engine is a V8 engine with a displacement of 400 cubic inches or 6.6 liters. It features a cast-iron block and cylinder heads, providing excellent strength and heat dissipation. This engine is equipped with a single four-barrel carburetor, which ensures optimal fuel delivery for maximum power output.
Engine Oil Specs & Service Intervals
Proper engine oil selection and regular maintenance are crucial to keep your Pontiac 400 W72 engine running smoothly. Here are the recommended engine oil specifications and service intervals for this beastly engine.
Engine Oil Specifications:
– Oil Type: It is recommended to use a high-quality, multi-viscosity engine oil with a viscosity rating of 10W-30 or 10W-40 for most driving conditions. However, for extreme hot climates, a 20W-50 oil can be used.
– Oil Capacity: The Pontiac 400 W72 engine has an oil capacity of approximately 5 quarts (including the oil filter).
Service Intervals:
– Oil Change: It is recommended to change the engine oil and oil filter every 3,000 to 5,000 miles or every 3 to 6 months, whichever comes first. Regular oil changes help maintain proper lubrication and prevent engine wear.
Detailed Engine Specifications
To provide you with a comprehensive overview of the Pontiac 400 W72 engine’s specifications, here is a detailed chart:
| Specification | Value |
|---|---|
| Engine Type | V8 |
| Displacement | 400 cubic inches (6.6 liters) |
| Block Material | Cast Iron |
| Cylinder Head Material | Cast Iron |
| Carburetor | Single Four-Barrel |
| Horsepower | 220 hp |
| Torque | 320 lb-ft |
| Compression Ratio | 8.2:1 |
| Firing Order | 1-8-4-3-6-5-7-2 |
The Pontiac 400 W72 engine is a true powerhouse that delivers impressive performance and reliability. With its V8 configuration and robust specifications, it has become a favorite among car enthusiasts and collectors alike. By following the recommended engine oil specifications and service intervals, you can ensure that this beast continues to roar for years to come.
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