01505 683388 |

Specialists in Preparation for Road/Race and Rally Cars

Scotlands Premier Car Tuning Centre - Live Mapping Available
performance-cars-services-glasgow.jpg Services

For everyday road cars and fleet. MOT servicing and repairs

performance-cars-scotland.jpg Performance

Performance road cars, tuning upgrades and re-mapping

race-and-rally-cars-scotland.jpg Race & Rally

Complete car builds, upgrades, on-site race and rally support

performance-cars-contact-glasgow.jpg Contact

Contact Us for more information on our services

About Us

Established in 1990 GSR Services (formerly Greersport Racing), is a family run business based in Glengarnock, North Ayrshire. With a collective experience of over 80 years in the Motor Industry we are proud to offer a comprehensive range of services for your Road, Race or Rally Vehicle.

At GSR our workshop facility offers specialist vehicle servicing to manufacturers specification, as well as unbiased advice on maintenance and tuning of your car. Our Qualified and Insured Technicians have vast experience of motorsport engineering at many levels. In particular we are renowned for our expertise with the world beating Subaru Impreza and Mitsubishi Lancer and provide a range of tailored services for the devoted enthusiast.

GSR cater for all road and track vehicles, from a basic oil change and service to an engine rebuild or specialist race project we offer a range of services all under one roof, providing our customers with an unrivalled quality of service.

Our Team


Bill Greer


GSR Services (Scotland) Ltd

Bill has amassed more than 50 years of experience in the motor trade. He founded Greersport in 1990 after many years of working on high performance cars (specifically Cosworth) at other Garages. Bill was time served in a commercial background and progressed to high performance through his love of motorsport. His early successes included the British Thundersaloon Championship and Vecta Fast Ford Challenge, running an RS500 and an Escort Cosworth. Nowadays (when he's not fishing) Bill focuses predominantly on specialist engine building.

Colin Greer


GSR Services (Scotland) Ltd

Colin served his time with his Dad and completed his apprenticeship during the early days of Greersport. From then on he has been heavily involved in motorsport both as a competitor and on event for customers. Colin took time out from the family business in 2006 and worked at HRP in Ireland as a rally technician, during this time he prepared a number of WRC cars inc Subaru, Hyundai and Focus all competing in the Irish Tarmac Championship. As well as the day to day running of the business Colin's role is focused on vehicle tuning and re-mapping.

Jason Aird


GSR Services (Scotland) Ltd

Jason joined GSR as a school leaver in 2003. After completing his apprenticeship he began to focus and develop his skills within the high performance sector of the business. Jason is now our Senior Technician and specialises in all things Subaru or Mitsubishi. When he's not in the garage he's on the track at Knockhill tearing it up in his Evo.

Bill Rowan


GSR Services (Scotland) Ltd

Bill has worked alongside GSR on many projects over the last 18 years. With over 22 years experience in auto electrics and more specifically race/rally car builds, he is an invaluable part of our complete build process. He designs and builds unique electrical systems as well as customised wiring harnesses for our race cars. He's an expert fault finder and works his diagnostic magic on all makes and model of road car. From basic dashboard warning lights, to tracing more troublesome electrical problems, he won't be beaten.

Leonne Greer


GSR Services (Scotland) Ltd

Leonne is Colin's wife and joined GSR in 2012. With a background in finance and customer service she takes care of the day to day running of the business and everything outside the workshop.

Angus Greer


GSR Services (Scotland) Ltd

Head of Security. Likes; Doritos, Sleeping and chasing rabbits. Dislikes; Courier drivers, when no one shares their lunch.

Our Customer Service Promise To You


We will not carry out any work unless it has been expressly authorised by you. We will fully explain all work undertaken and list the parts used and time spent.

As we are a small family run business you will personally meet the Technician who will work on your car, therefore if you have any questions about the work we have done or your car in general you can speak directly to an expert.

You have worked hard for it, why take risks with your investment. We are high performance car specialists with the understanding, experience and tools to protect your pride and joy.

We optimise your vehicle to maximise your enjoyment!

What Our Customers Say


"Big thanks to Colin and the team for the work they did on my scoob today. Excellent service and would definitely recommend them."

Chris Fyfe

"Had wheel alignment done on my car today, handles spot on now. Top quality service, would use them again."

Lewis Macleod

"Was there for waterpump and timing belt kit was fitted in at short notice and completed job as promised excellent service will use again. "

David Duncanson