Business Details
40 Years
experience
Simpson Motorsport: Racing Performance Experts
Established in 1986, Simpson Motorsport has become a leader in motorsport engineering and race car preparation. Our expertise spans from constructing high-performance race vehicles to providing precision tuning and restoration services for track, race, and road cars. With a team of seasoned professionals, we utilise cutting-edge facilities including a 1000hp engine dyno and advanced suspension alignment equipment to ensure optimal performance. Our commitment to excellence is demonstrated through our participation in prestigious events such as Le Mans, where we have achieved notable class victories. We specialise in bespoke engine builds, custom supercharging and turbocharging solutions, and comprehensive data logging systems for performance analysis. Our engineers possess extensive experience across diverse racing categories including GT, Touring, and Prototype cars, delivering tailored solutions to meet each client's specific requirements.For classic car enthusiasts, we offer mechanical restoration services encompassing complete engine rebuilds and fabrication of irreplaceable components. Backed by decades of racing pedigree and technical innovation, we maintain detailed vehicle performance data to ensure consistent results across all our services. Our rolling road facility enables precise tuning and verification of power outputs, while our in-house fabrication capabilities allow for rapid prototyping and bespoke component manufacture. Whether supporting competitive racing teams or maintaining high-performance road vehicles, we combine racing expertise with engineering precision to deliver exceptional outcomes for our clients.
Services
Race Car Preparation
Engine Building
Supercharging
Rolling Road
Classic Car Restoration
Suspension Setup
Data Logging
Track Support
Custom Fabrication
ECU Mapping
Details
- Year established: 1986
Highlights and features
- Established motorsport heritage with Le Mans experience since 1986
- Full in-house facilities including 1000hp engine dyno and rolling road
- Specialist knowledge in GT, Prototype, and Historic racing categories
- Proven competition success with multiple race series entries
- Comprehensive technical support from initial build to trackside assistance
Services
Race Car Preparation
Comprehensive preparation of race vehicles spanning structural fabrication, mechanical upgrades, and performance optimisation. Our team handles full builds from concept to completion, incorporating safety systems, custom wiring, and drivetrain modifications. With extensive experience across GT, Touring, and Prototype categories, we implement data-driven setups to maximise track performance while maintaining reliability during competitive racing conditions.
Engine Building
Precision engine assembly and remanufacturing for both race and road applications. Our capabilities range from stock rebuilds to full race-specification modifications, incorporating bespoke components and advanced mapping. We specialise in high-horsepower builds for BMW and other marques, with expertise in dry sumping, valvetrain upgrades, and ECU tuning to extract maximum performance while maintaining durability under extreme racing conditions.
Rolling Road
Advanced chassis dynamometer services for performance verification and tuning. Our 2WD Dyno Dynamics system measures wheel and flywheel power outputs while monitoring critical parameters including air-fuel ratios and knock detection. This facility enables precise mapping of engine management systems and optimisation of turbo/supercharging setups, ensuring vehicles deliver consistent track-ready performance.
Supercharging
Custom supercharging and turbocharging solutions for performance enhancement. We design complete installation packages including manifold fabrication, intercooler systems, and ECU remapping. As UK distributors for ESS superchargers, we provide turnkey installations for BMW models while also developing bespoke systems for various motorsport applications, maintaining reliability under increased power outputs.
Classic Restoration
Mechanical restoration of historic vehicles requiring specialist fabrication and engineering solutions. Our workshop creates replacement components that are no longer commercially available, undertaking complete engine rebuilds and structural repairs. While focusing on mechanical integrity, we collaborate with external specialists for bodywork and interior restoration to ensure original classic cars retain their authentic character while meeting modern performance standards.
Questions
What motorsport categories do you support?
We support GT, Touring, Prototype, Historic, and Single-Seater racing categories with comprehensive preparation and technical support services.
Do you handle road car servicing?
Yes, we provide specialist servicing for out-of-warranty performance vehicles including BMWs, Ferraris, and other high-end marques.
Can you fabricate custom components?
Our workshop specialises in creating one-off components using in-house fabrication capabilities for racing and classic cars.
Do you offer ECU remapping?
We provide custom ECU mapping services using Motec, GEMs, MBE and Pectel systems for both road and race vehicles.
What suspension services are available?
We offer full suspension geometry setup, corner weight analysis, and Intrax suspension system installation for performance optimisation.
Is classic car restoration comprehensive?
We focus on mechanical restoration while partnering with specialist coaches for bodywork and trim requirements for vintage vehicles.
