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Get your LM on the rolling road for some dyno power runs

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Rolling Road Tuning for Classic and Vintage Car and Vans. From Carbs to Injection Pumps we're happy to help

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Tuning for Motorsport and Standalone ECUs

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Our braked dyno is available for Power Runs, Quarter Mile Tests and available with full datalogging capabilities for daily hire.

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Selected vehicle Lexus LM I 350 (3.5 V6) 296HP Petrol

Selected vehicle Lexus LM I 350 (3.5 V6) 296HP Petrol

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Latest News

Audi TT 177HP > 254HP No "tested on another car" or "dyno developed" o...
BMW TCM Software Update Customer requested we flash their gearbox to t...
Adblue Light? DPF or EGR Issue? Come for a Free Code Scan and Assessme...
81HP Gain with our Custom Dyno Created Stage 1 tune for this Mini Copp...
𝗖𝗜𝗧𝗥𝗢𝗘𝗡 𝗥𝗘𝗟𝗔𝗬 𝗜𝗡 𝗟𝗜𝗠𝗣 𝗠𝗢𝗗𝗘 - 𝗕𝗔𝗗 𝗧𝗨𝗡𝗘 𝗘�...
VW Caddy - Custom Dyno Stage 1 £100 Off - Never a better time to get a...
Just for fun, whom can tell me what make and model of car this engine...
𝗠𝗜𝗡𝗜 𝗥𝟱𝟲 𝗖𝗢𝗢𝗣𝗘𝗥 𝗦 • 𝗦𝗧𝗔𝗚𝗘 𝟯 • 𝟯𝟬𝟱𝗛𝗣 𝗥𝗔𝗖𝗘...
𝗠𝗘𝗥𝗖𝗘𝗗𝗘𝗦 𝗖𝟰𝟯 𝗔𝗠𝗚 • 𝟰𝟭𝟵𝗛𝗣 Not bad at all if we do sa...
Porsche Custom Stage 1 and Adblue/SCR Off Why settle for an off the sh...

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Technical Resources

Technical Resources for Tuners
DTC Error Codes
HP Calculators
Pressure Calculators
MAF Tester
FRF and SGO to BIN Converter
File Service

Common Issues

BMW N55 Issues
VAG 2.0 TFSI Issues

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© 2026 Llandow Tuning Ltd - Llandow Tuning and Jorgensen Tuning are trading styles of Llandow Tuning Ltd.

Llandow Tuning specialises in vehicle modifications. Our work often involves altering a vehicle from its factory specifications, typically for motorsport or fast road use.
All modifications and tuning are carried out at the owner's risk. Customers should fully understand and accept these risks before work begins.
Dyno and rolling road use is at the owner's risk. Any damage caused to the dyno, dyno cell, or due to fluid spills must be paid for before the vehicle is released.
It is the customer's responsibility to ensure the vehicle is ready for tuning/dyno time and free from fluid leaks unless otherwise agreed in writing beforehand.
GDPR Policy - All work is conducted under the assumption that the customer has read and agreed to our Terms and Conditions and reviewed our FAQ section, which addresses the most common queries.