Servicing & Repairs
General servicing, repairs, fault finding and specialist mechanical work for performance vehicles, modified cars and enthusiast builds.
Performance • Modified • Track • Bespoke
Built to Drive.
Dialled to Perform.
Specialist mechanical, performance and chassis setup work for performance vehicles, modified cars, race cars, track day cars, bespoke builds, self-build kit cars and enthusiast vehicles.
From servicing and diagnostics to transmission rebuilds, chassis setup and bespoke electrical work, every vehicle is approached with precision, reliability and attention to detail.
Real workshop projects • precision setup • specialist engineering
Performance Vehicles
Modified Builds
Track Preparation
Specialist Engineering
Services
Mechanical, performance and specialist vehicle work
Car Modification
Modification work for road, track and bespoke vehicles, from practical upgrades to full performance-focused changes.
Performance Mods
Brake upgrades, suspension improvements, cooling upgrades, induction systems, exhaust work and supporting performance modifications.
Full Builds & Restorations
Complete vehicle builds, project assembly, full restorations and bespoke engineering work.
Diagnostics & Troubleshooting
Electrical diagnostics, mechanical fault finding and troubleshooting for specialist, modified and performance vehicles.
Wiring Loom Design & Manufacture
Custom wiring loom design, manufacture and specialist electrical solutions for modified and bespoke vehicles.
Wiring Loom Modification & Repair
Modification, repair and improvement of existing wiring systems and bespoke electrical installations.
Engine Changes
Engine changes, conversions and supporting mechanical work for specialist and modified vehicles.
Gearbox Rebuilds
Manual gearbox rebuilds, transmission servicing and drivetrain repair work.
Differential Rebuilds
Differential rebuilds, inspection, servicing and repair for performance and specialist applications.
IVA & MOT Prep
IVA preparation, MOT preparation and pre-inspection checks to help get vehicles ready for inspection.
Timing Belts
Timing belt replacement and supporting mechanical maintenance work.
Sand Blasting
Component cleaning, restoration preparation and surface preparation work.
Data Logging Kit Fitment
Fitment of data logging equipment including Race Logic VBox and Aim units.
Brake System Rebuilds
Complete brake system refurbishment, upgrades, inspection and rebuild work.
Track Preparation
Track day preparation & support packages
Preparation and support packages designed for track day cars, race vehicles and performance-focused builds. All packages include a free health check and a quote for any recommended work.
Bronze Track Prep
£399
- Vehicle cleaned inside and out
- Under bonnet and suspension area cleaned
- Full spanner check
- Fluid levels checked and adjusted
- Vehicle set-down and ride height checked
- Full geometry setup to customer choice
- Setup advice available
- Free health check and quote for recommended work
Silver Track Prep
£499
Includes everything in Bronze, plus:
- Brake bleed
- Brake strip and inspection
- Oil and filter change
- Air filter clean or replacement
- Free health check and quote for recommended work
Gold Pre-Season Rebuild
POA
- Pre-season rebuild work
- Detailed inspection and preparation
- Mechanical, braking, suspension and setup work tailored to the vehicle
- Ideal for race cars, track day cars and serious performance builds
- Free health check and quote for recommended work
Track Day Support
£599
- Attendance at your track day for on-site support
- Tools and setup equipment supplied
- Gazebo/support equipment provided if required
- Vehicle setup adjustments throughout the day
- Technical assistance and troubleshooting support
- Free health check and quote for recommended work
Coming Soon
Additional specialist services
Additional performance and support services currently being developed at Chassis Seven Engineering.
Vehicle Remapping
Performance, economy and drivability-focused mapping services coming soon.
EGR & DPF Adjustments
EGR adjustments, DPF adjustments and related diagnostic services coming soon.
P-Code Adjustments
P-code adjustment services for specialist applications coming soon.
Power & Torque Maps
Increased power and torque maps currently planned.
Economy Mapping
Mapping focused on economy and drivability for suitable vehicles.
Collection & Delivery
Van and trailer collection/delivery service for non-road registered cars coming soon.
Gallery
Workshop projects & recent work
A selection of workshop projects, rebuilds, diagnostics, race car preparation and specialist vehicle work.
BMW 335D Restoration
Gearbox Rebuilds & Inspection
Motorsport Engineering
GBS Zero Gen2 Build
Robin Hood 2B Completion
About
Proper setup from someone who understands driver-focused vehicles.
Chassis Seven Engineering is a specialist workshop based in Topcliffe, Thirsk, working on performance vehicles, modified cars, bespoke builds, race cars, track day vehicles and enthusiast projects.
While experienced with self-build and Seven-type kit cars, the workshop supports a wide range of vehicles and focuses on precision workmanship, reliability and proper setup.
From diagnostics and servicing through to transmission rebuilds, chassis setup and bespoke electrical work, every vehicle is treated with attention to detail and a genuine passion for driving-focused engineering.
Contact
Get in touch
Phone
Workshop
Unit 5, Alanbrooke Business Park,
Station Road, Topcliffe,
Thirsk, YO7 3SE