Engine Repairs
Expertise, Affordability & Value
Thomas Auto Service has been proudly serving Long Island (Suffolk and Nassau) for 35 years from our headquarters in Deer Park, New York.
Thomas Machine is dedicated to providing top-quality engine repair and rebuild services at competitive prices. Using advanced tools, we expertly handle everything from block disassembly and valve cutting to precision boil-outs and tune-ups, ensuring optimal engine performance and longevity.
In addition to high-performance engines, we specialize in general auto repairs and boat engine services, delivering reliable solutions that meet a wide range of needs. With years of trusted experience and a commitment to affordable excellence, Thomas Machine is your go-to destination for engine care.

Classic Car Engine Repair and Rebuilding Experts
In addition to being a traditional auto repair shop, we specialize in engine rebuilding and engine re-manufacturing. Our technicians are experts in auto engine repairs, marine engine repairs and industrial engine repairs, including compressor repair for jack hammers and other industrial equipment. We do basic and complex engine repairs and rebuilding for all types of vehicles—from contemporary auto engines to antique and classic car engines to speed boat engines to industrial equipment engines.
We have a fully equipped engine repair shop featuring advanced tools to disassemble blocks, perform boil-outs, cut valves and more. We specialize in expert valve grinding and flywheel resurfacing.
Thomas Machine treats your car like it was our own. Our professionally skilled classic car engine repair technicians are prepared to perform all inspections and services on your car today. Our keen eye for detail and efficient service allows us to provide you with the best results possible.

Your Neighborhood Auto Repair Shop
Bumper To Bumper Expertise
At Thomas Auto Service, we are more than an engine repair shop. We perform expert car repairs and tune-ups in our fully equipped facility. We make sure your car is operating properly from bumper to bumper. Our technicians regularly tackle the repairs that trouble car owners the most—cooling system repairs, exhaust system repairs, catalytic converter replacement, spark plug replacement and much more. Learn more about the benefits of general auto repair.
For a detailed listing of our operations, please visit the Shop & Services page. For any questions or concerns you might have about any of our services, please contact us today. We look forward to helping you with all of your engine needs.
