HomeBlog – Under The Hood

Buick Reatta Remanufactured Engine

Buick Reatta Remanufactured Engine The Buick Reatta remains one of the most distinctive and collectible Buicks ever made. Handcrafted and produced in limited numbers, the Reatta combined Buick luxury with sporty, personal coupe styling. Today, Reatta owners appreciate its timeless design, smooth driving feel, and durable 3.8L V6 engine — but after decades on the … Read more

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Dodge Neon & Dodge Colt Engines

Dodge Neon & Dodge Colt Engines: Reliable Compacts With Surprising Performance Drivers who love lightweight, responsive, no-nonsense cars know the Dodge Neon and Dodge Colt well. These compact models earned loyal followings for their balance of efficiency, durability, and fun-to-drive personality. Today, many owners are restoring them, daily-driving them, or even building spirited street and … Read more

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Dodge CB300 Engine 

Dodge CB300 Engine Overview  The Dodge CB300 was a heavy-duty workhorse for fleet and industrial use, prized for stout torque and straightforward serviceability across demanding duty cycles.      Dodge CB300 Engine Common Problems  Oil pump wear from prolonged high-load use  Overheating caused by radiator corrosion  Valve seat degradation on high‑mileage heads  Crankshaft bearing wear  Hard starting due … Read more

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Don’t Fear What’s Under the Hood: Gearhead Engines Has You Covered

This Halloween season, plenty of things might go bump in the night—but your engine shouldn’t be one of them. When strange noises, smoke, or loss of power start haunting your drive, it’s time to face what’s really going on under the hood. That’s where Gearhead Engines comes in. For nearly 90 years, we’ve taken the … Read more

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Dodge M-Series Engine 

Dodge M-Series Engine Overview  The Dodge M300 and M350 were built for heavy-duty service, powering step vans, motorhomes, and commercial fleets. These chassis used durable big-block V8 engines capable of handling serious loads.      Dodge M-Series Engine Common Problems  Oil leaks from valve covers and pans  Overheating under heavy load  Cracked exhaust manifolds  Carburetor and … Read more

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GMC G1500–G3500 Van Series Engines

The GMC G-Series vans were the backbone of tradesmen and delivery fleets for decades. From the G1500 to the G3500, these vans earned a reputation for being tough, simple to maintain, and built for the long haul.  Common Problems  Oil leaks from worn seals  Cooling system rust and scale buildup  Valve train wear  Fuel system … Read more

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GMC Envoy Family Engines

The GMC Envoy lineup redefined SUV comfort with truck-level capability. From the family-friendly Envoy XL to the quirky XUV with its retractable roof, these SUVs were built to impress in both form and function.  Common Problems  Oil pressure sensor malfunctions  Cooling fan clutch failures  Timing chain and tensioner wear  Intake manifold gasket leaks  Throttle body … Read more

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GMC Canyon Engine

The GMC Canyon proves you don’t need a full-size truck to get serious work done. Combining durability and design flair, the Canyon became a hit with both contractors and off-road enthusiasts.  Common Problems  Timing chain stretch on four-cylinder models  Oil cooler gasket failures  Throttle body and sensor issues  Fuel injector clogging  Cooling system corrosion over time  Why … Read more

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GMC C/K Series Engines

The GMC C/K Series represents a legendary chapter in American truck history. Known for its toughness and simple design, this series powered generations of workers, ranchers, and enthusiasts from the 1960s through the late 1990s.  Common Problems  Oil leaks from valve covers and gaskets  Exhaust manifold cracking  Carburetor or throttle-body wear  Cooling system rust and scale buildup  Camshaft … Read more

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GMC Acadia and Acadia Limited Engines

The GMC Acadia blends modern SUV comfort with the heart of a performance machine. Its V6 engines are known for smooth cruising, making it a top choice for road trips and daily commutes alike.  Common Problems  Timing chain wear and stretch  Oil leaks from worn gaskets  Cooling system leaks from radiators  Sensor and ECM malfunctions  … Read more