High Performance Engine Repair

Unleash Power with Expert High-Performance Diesel Engine Repairs

The auto repair experts at RG Diesel, LLC know sheer horsepower and torque better than anyone. Whether you own a high-performance diesel truck or are looking for competition-level upgrades, we can tune up your stock engine to hum perfectly. When you are ready to install a new competition-level crate engine and complete rotating assembly, come to RG Diesel, LLC, the high-performance auto repair experts that drivers in Greeneville trust. We have the expertise to turn a powerful diesel truck into a high-performance towing or racing machine.

Let us drop in a new set of pistons, improve your engine oil and lubrication system, or upgrade your valvetrain. Every day the expert mechanics at RG Diesel, LLC give diesel engines an extra boost with high-flow cylinder heads and performance fuel injection systems. No build is too big at RG Diesel, LLC.

Stop by our auto repair shop at 3460 W Andrew Johnson Hwy or call today at 423-823-9987 and let’s talk horsepower.

Roush, Edelbrock, Chevrolet and More

Chevrolet Engines

Chevrolet Performance began engineering high-performance crate engines 50 years ago and continues to manufacture new horsepower-focused engine designs with a distinctly American sound. While focused on gasoline performance, many concepts and aftermarket parts designed for high-performance Chevrolet engines can be adapted or applied to enhance the performance and durability of diesel engines and their components.

Edelbrock Engines

Edelbrock engines are known for their research and development, manufacturing, and state-of-the-art testing facilities, earning a reputation for being among the most state-of-the-art in the United States. Although historically rooted in gasoline performance, the high standards of manufacturing and engineering excellence associated with Edelbrock are mirrored in the custom and performance diesel engine work undertaken by the experts at RG Diesel, LLC.

Roush Engines

Combining engineering with racing, Roush earned a reputation associated with excellence by designing high-performance engines and building a winning racing team. The brilliant solution-oriented approach to building engines seen in Roush Performance Engineering is the same dedication and expertise RG Diesel, LLC applies to complex diesel engine repairs and performance upgrades for our clients in Greeneville.

More High-Performance Engines

RG Diesel, LLC utilizes expertise gained from working with a wide range of manufacturers, including ATK High-Performance Engines, BluePrint Engines, First Mate Automotive, Mast Motorsports, Mopar, Reviva Inc, Speedmaster, and VEGE Remanufactured Engines. This broad knowledge base allows us to apply the highest quality standards and best performance principles to all our custom and rebuilt diesel engine projects.

Top Diesel Mechanics in Greeneville

Need Help? Call Us Now

(423) 823-9987