HomeBlog – Under The Hood

Buick LaCrosse Remanufactured Engine

Buick LaCrosse Remanufactured Engine Smooth, stylish, and reliable — the Buick LaCrosse represents the best of Buick’s modern engineering. With its refined V6 power and quiet cabin, the LaCrosse quickly became a popular choice for luxury sedan buyers. If your LaCrosse engine has high mileage or has suffered a failure, Gearhead Engines can restore it … Read more

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Buick Regal Remanufactured Engine

Buick Regal Remanufactured Engine The Buick Regal has always embodied refined performance — from its classic GS models to today’s modern turbocharged trims. When your Regal’s engine starts losing power or reliability, a remanufactured engine from Gearhead brings it back to peak condition. Our remanufactured Regal engines are rebuilt with precision, using advanced machining and … Read more

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Buick LeSabre Remanufactured Engine

Buick LeSabre Remanufactured Engine For decades, the Buick LeSabre stood as one of America’s best-selling full-size sedans, known for its quiet ride, durability, and comfort. Many LeSabres remain on the road today thanks to their sturdy design and dependable powertrains — but like any vehicle, their engines eventually need attention. Gearhead Engines specializes in remanufactured … Read more

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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