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.
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