1971 Pontiac 455 Engine Specs

The 1971 Pontiac 455 engine was a powerful and iconic V8 engine produced by Pontiac from 1970 to 1976. Known for its impressive performance and reliability, the 455 engine was a popular choice among car enthusiasts during its time. Let’s take a closer look at the specifications of this legendary engine.

Engine Configuration

The 1971 Pontiac 455 engine featured a V8 configuration, meaning it had eight cylinders arranged in a V-shaped pattern. This design allowed for optimal power output and smooth operation. The engine had a displacement of 455 cubic inches, which is equivalent to 7.5 liters. With its large displacement, the 455 engine was capable of producing substantial horsepower and torque.

Engine Oil Specs & Service Intervals

Proper engine oil is essential for maintaining the performance and longevity of any engine, including the Pontiac 455. Here are the recommended engine oil specifications and service intervals for the 1971 Pontiac 455 engine:

Engine Oil Specification Service Interval
Synthetic or conventional oil with a viscosity of SAE 10W-30 Every 3,000 to 5,000 miles or every 3 to 6 months

It is important to note that these service intervals are general recommendations and may vary depending on driving conditions and individual preferences. Regular oil changes are crucial to keep the engine properly lubricated and to prevent any potential damage.

Detailed Engine Specifications

For a more comprehensive understanding of the 1971 Pontiac 455 engine, here are the detailed specifications:

Specification Value
Engine Type V8
Displacement 455 cubic inches (7.5 liters)
Compression Ratio 8.4:1
Horsepower 325-335 hp
Torque 455 lb-ft
Fuel System Quadrajet 4-barrel carburetor
Ignition System Points-type ignition
Valvetrain Overhead valve (OHV)
Transmission 3-speed automatic or 4-speed manual

The 1971 Pontiac 455 engine was a true powerhouse, delivering impressive performance and a distinctive V8 engine sound. Its robust design and solid construction made it a reliable choice for both daily driving and high-performance applications. Whether you were cruising down the highway or burning rubber at the drag strip, the Pontiac 455 engine provided an exhilarating experience.

Overall, the 1971 Pontiac 455 engine remains a legendary piece of automotive history. Its performance, durability, and unique characteristics have made it a favorite among car enthusiasts and collectors. If you ever have the opportunity to experience the power of a Pontiac 455, it is sure to leave a lasting impression.

Categories: 7.5Pontiac

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