Pontiac 455 SD Engine Specs

Engine Configuration

The Pontiac 455 SD engine is a high-performance V8 engine that was produced by Pontiac from 1973 to 1974. It was designed to provide impressive power and performance for muscle cars and other high-performance vehicles of that era. Let’s take a closer look at the engine configuration of the Pontiac 455 SD.

Engine Specifications

To understand the power and capabilities of the Pontiac 455 SD engine, let’s dive into its detailed specifications:

Specification Value
Engine Type V8
Displacement 455 cubic inches
Bore and Stroke 4.151″ x 4.210″
Compression Ratio 8.4:1
Horsepower 310 hp
Torque 390 lb-ft
Valvetrain OHV (Overhead Valve)
Fuel System Quadrajet 4-barrel carburetor
Ignition System Electronic
Transmission 3-speed automatic

Engine Oil Specs & Service Intervals

Proper engine oil specifications and regular service intervals are crucial for maintaining the performance and longevity of the Pontiac 455 SD engine. Here are the recommended engine oil specs and service intervals for this powerful V8 engine:

Engine Oil Specifications

– Oil Type: SAE 10W-30 or SAE 10W-40
– Oil Capacity: Approximately 5 quarts (including filter)

Service Intervals

– Oil Change: Every 3,000 to 5,000 miles or every 3 to 6 months, whichever comes first.
– Oil Filter Replacement: Along with every oil change.

Regular oil changes and filter replacements are essential to keep the engine properly lubricated and to remove any contaminants that may accumulate over time. It is also recommended to follow the manufacturer’s guidelines for additional maintenance tasks such as spark plug replacement, timing adjustments, and overall engine tune-ups.

In conclusion, the Pontiac 455 SD engine is a powerful V8 engine known for its performance and muscle. With its impressive specifications and proper maintenance, this engine can deliver a thrilling driving experience for enthusiasts and collectors alike. Remember to adhere to the recommended engine oil specifications and service intervals to ensure the longevity and optimal performance of your Pontiac 455 SD engine.

Categories: 7.0Pontiac

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