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Ensure your vehicle is race-ready with our expert car preparation and maintenance services.
When race day arrives, there’s no room for error. At ACI Motorsports, our race car preparation and maintenance services are built on the same standards that have taken us to the top of GT4 America, the Porsche Carrera Cup North America, and the GT World Challenge America. Whether you’re stepping onto the grid for the first time or chasing a title, your car needs to be flawless. That’s exactly what we deliver.
Race car preparation is a whole different world from a standard vehicle service. Every component, from your suspension geometry to your brake bias, needs to be dialed in for the specific demands of the track, your series regulations, and the way you drive. A car that isn’t properly prepared doesn’t just underperform. It puts you at risk and gives away championship points before you’ve even crossed the start line.
At ACI Motorsports, every build and service gets the same level of precision and care that professional motorsport demands. Our workshop team has prepared race cars at the highest levels of GT racing in North America, and that experience shows up in every car we work on, no matter the size of your program.
Before any car leaves our workshop and heads to the grid, it goes through a thorough pre-race inspection. We check everything that affects your performance and your safety. Braking systems, steering components, wheel bearings, fuel systems, fire suppression, harness condition, roll cage integrity. We work to the technical regulations of your series so you’re not going to run into issues at scrutineering and lose time you can’t get back.
Whether you’re heading into a sprint race at Road Atlanta or kicking off a full championship season, our pre-race inspections are there to make sure the only thing you’re thinking about when you buckle in is the race ahead.
Your engine is everything. Our technicians carry out detailed checks and tuning procedures designed to get the most reliable power out of your car within your series rules. That means throttle response, fueling, cooling system checks, and ECU data review to catch anything unusual before it turns into a problem on race day.
We work extensively with Porsche GT cars, including the 718 Cayman GT4 RS Clubsport and the 911 GT3 Cup, so when it comes to these platforms, we know them inside out.
A well-balanced car is a fast car. Our suspension setup work takes into account your driving style, the circuit you’re heading to, and the handling targets you and your engineer have agreed on. We handle alignment, corner weighting, damper adjustment, and anti-roll bar configuration to give you a car that feels consistent and gives you the confidence to push.
Getting your suspension geometry right is one of the biggest performance gains available to you, and it’s an area where experience genuinely makes the difference.
Braking performance isn’t just about speed. It’s safety. We carry out competition-spec brake fluid flushes, pad replacements and bedding procedures, caliper inspections, and rotor checks. We also look at your brake bias to make sure the car stops predictably under real race conditions, whether you’re managing tyre wear over a long stint or throwing everything at a late apex.
Keeping a race car running between events takes consistent, careful attention. We cover gearbox oil, differential fluids, engine oil, coolant, and all the associated filter changes. We track your service intervals so nothing slips through the gaps, protecting your engine and making sure your investment stays in the shape it should be.
Motorsport is hard on machinery, and not all of the damage shows up straight away. After every race weekend, we carry out a detailed post-race inspection to find wear, stress, or damage that might not be immediately obvious. Catching these things early means you go into your next event knowing your car is solid, and it stops small issues from turning into expensive ones. We give you clear, honest feedback on what we found and what we’ve addressed.
Taking delivery of a new GT4 or GT3 Cup car? Our pre-season build service gets your car ready for competition from the ground up. We handle series-mandated safety equipment, coordinate livery preparation, install data systems, run break-in procedures, and do a full systems check before your car ever sees a race circuit. We’ve built championship-contending cars from scratch, and we bring that same process to every new program we take on.
ACI Motorsports isn’t a newcomer to the paddock. We’re the 2024 Pirelli GT4 America Pro-Am Team Champions and IMSA Porsche GT3 Cup Challenge Champions, with multiple race wins and podiums across the GT4 America, Carrera Cup North America, and GT World Challenge America series. Every car we prepare is held to championship standards, because that’s genuinely the only standard we work to.
Our team has serious, hands-on experience with the Porsche 718 Cayman GT4 RS Clubsport, the 911 GT3 Cup, and the full range of Porsche GT competition cars. This isn’t general motorsport knowledge picked up along the way. It’s platform-specific expertise built over years of competition, and it translates directly into better performance, fewer surprises, and faster decisions when it counts.
You’ll always know what’s been done to your car, why it was done, and what it means going into your next event. We think informed drivers and program managers make better decisions, and we make sure you have everything you need, explained clearly and without the technical runaround.
Our workshop is at 4150 Jersey Pike, Chattanooga, TN. We support drivers and programs across the full North American motorsport calendar, from Sebring and Road Atlanta through to Road America, Watkins Glen, and beyond. If you’re looking for a race car preparation team you can genuinely rely on, we’d love to talk.
Your car’s preparation is the foundation of every result you get on track. Don’t leave it to chance.
At ACI Motorsports, we bring championship-level expertise, genuine attention to detail, and a real passion for what we do to every single car we prepare. Whether you need a one-off pre-race service, a full pre-season build, or ongoing support across a full championship campaign, we’re here to make sure you hit the grid in the best shape possible.
Get in touch with our team today to talk through your race car preparation needs and take the first step toward your best season yet.
From full arrive-and-drive programmes and expert car preparation to trackside support, data analysis and personalised coaching, our comprehensive services are designed to give you the confidence, performance, and competitive edge you need on and off the track.
Sponsoring ACI offers racing fans a unique opportunity to connect with the sport on a deeper level. It allows them to be part of the action, supporting the teams and drivers they admire while gaining exclusive access to events and behind-the-scenes experiences.
