All articles tagged with #pontiac grand prix
The 1962 Pontiac Grand Prix was equipped with the highest factory-rated horsepower engine for the model, featuring a 421-cubic-inch V8 producing 405 gross horsepower, making it a notable early muscle car. However, due to changes in horsepower measurement standards, its net horsepower is estimated to be under 285 hp today, comparable to the 2005-2008 Pontiac GXP's performance.
A recent engine teardown video on YouTube showcases the enduring durability of GM's 3.8L V6 engine, specifically a Series III 3800 from a 2006 Pontiac Grand Prix GT with 126,000 miles. Despite severe coolant and oil contamination due to failed lower intake manifold gaskets, the engine remarkably shows minimal damage to its cylinders and bottom end, demonstrating its legendary reputation for resilience and potential for rebuild with many original components.