Dynamometer Testing & Tuning
Dynamometer testing at GMP Automotive Inc. gives vehicle owners a clear picture of how their engine performs by measuring horsepower, torque, and overall efficiency under controlled conditions. Whether you are troubleshooting performance issues, verifying the results of aftermarket upgrades, or preparing a vehicle for racing in or around Apex NC, a dyno session provides precise data that you cannot get from road testing alone. Our shop, located at 2511 Schieffelin Road, uses advanced dyno equipment to help customers understand their power output and identify opportunities for improvements in tuning and mechanical performance.
GMP Automotive Inc. specializes in dyno testing and tuning for GM LS and LT engine platforms, which are popular choices for performance builds in trucks, muscle cars, and swap projects. LS and LT engines respond very well to tuning changes, and a dyno session allows us to optimize air to fuel ratios, ignition timing, and other parameters for better drivability and stronger power curves. If you recently installed a cam, headers, forced induction, or other performance parts, our team can use the dyno to verify gains and make sure the vehicle is running safely and efficiently.
From high performance street vehicles to dedicated track builds, our dynamometer service helps you get the most out of your engine. Customers appreciate the ability to see before and after results, diagnose concerns at full operating load, and confidently move forward with future upgrades. If you are ready to unlock more power from your LS or LT powered vehicle or want accurate data about your current setup, schedule a dyno appointment with GMP Automotive Inc. by calling 919-805-9455.
Contact Us Today!
Got questions? We've got answers! Drop us a line, give us a call, or even stop by. Our team is eager to help you with any auto repair needs you have. Let's get you back on the road safely and swiftly!
What Our Customers Are Saying
This garage is great! I snapped a hard brake line trying to get it off of my car, so needed to have a new one made. GMP took my old one, duplicated it, had it back to me the next day. With only a few tweaks it fit like a glove. Will be going here for work in the future!
Huge shoutout to Travis who answered my call, arranged an appointment for my Corvette C8 rear brake pads change, and accommodated my time changes for 3 times. I had to reschedule because I was swamped for the last week. He sent me an estimate and it looked good and reasonable. Dropped it off today after lunch and it was done by the end of the day. Highly recommend, would definitely come back.
Brakes, near Apex, NC
Awesome service and highly skilled technicians! My 18 year old Ford diesel was experiencing issues and I sought out GMP to help me diagnose the power loss. Online forums had more than 12 things that could have been the cause, which worried me about a possible rabbit hole this could be on such an old truck. Dave B at GMP listened carefully to the concern, came up with a plan and dug in the resolve it. A little scary for me, because the entire cab of the truck had to come off to access the turbo, where the problem resided - but Dave set me at ease and showed professionalism and calm. Ultimately the work Dave did resolved the issue and hope to get another 5 or more years out of the truck! Dave also recommended a few other items, while the cab was off, that made great sense to get done at the same time. Thank you Dave and the entire GMP Automotive group for such great work! You have earned a long term customer that will be reaching out for my general and difficult maintenance in the future!
Diesel Engine Repair, near Cary, NC
Solid place, honest and detailed.
Car & Truck Care, near Holly Springs, NC
