At United, we provide completely bespoke injectors and fuel pumps, combined with the correct engine build and tuning, to enhance performance and racing vehicles. Experience an improved drivability, that perfect drive and feel the power rush!
If you’re unsure exactly what kind of upgrade you need, our team of experienced engineers can help. Whether this is just to enhance the power of the vehicle, boost the performance for racing or you have a different vision in mind; we’ll get under the hood to analyse the current engine and mechanics and see what exciting improvements we can make!
Did you know the quickest 1.9TDI MK4 Golf in Europe has been tuned to achieve 449 BHP with Nitrous 590 BHP? This is a long way off the factory specification of 130 BHP!
This service offers you…
Upgrades to diesel injectors using high-flow nozzles and specialist calibration technics.
Calibration of the injectors to ensure the flow characteristics of each high-performance diesel injector are balanced to obtain the best possible performance.
A selection of up-rated performance injectors and pumps for various diesel engines. Some are a quick and easy fit to enjoy an increase in power and torque. Others are for the more dedicated owner and tuner that require more sophisticated engine modifications.
A selection of ASNU Performance petrol injectors are designed bespoke and built with the ideal spray pattern to match the required flow.
Fuel delivery and mapping charts are available on request for specific modifications.
We’ve worked with clients to help them see performance in their vehicle like never before. See below a small case study of some car performance upgrade engineering we completed with one of our clients for their Volkswagen Golf 25th anniversary 1.9tdi PD150.
Engine modifications included:
Turbo – BMW GTD 3071 ball bearing
Diesel injectors – 120% firads (supplied by us!)
Dbilas 272 9.8mm lift camshaft
Uprated valve springs and retainers
Ported & gas flowed cylinder head
42mm piston bowls
Uprated forged rods
3-inch boost pipes
Sachs 4 paddle dmf clutch kit
3-inch bonnet exit exhaust
6 bar map sensor
2 stage nitrous
Gearbox modifications included:
4th gear support
Gearbox strengthen plate
Following car performance upgrades and modifications, the vehicle saw a massive uplift in speed and efficiency, including a best ¼ mile time of 10.85 a 136mph, a best draggy time of 0 to 60 miles in 3.4 seconds and 100kmh-200kmh speed reached in just 6.4 seconds.