Astra H CDTI [150] - Power Upgrades
By Thorney Motorsport

Thorney Motorsport - Astra H CDTi Power Upgrades
We've spent a fair bit of time on the Astra CDTi and it's definitely the dark horse of the Astra line up. It has VXR levels of performance but with diesel economy. The power delivery is vastly different to the VXR as its diesel motor delivers maximum torque from low revs. However, it does mean we can gain daft amounts of extra torque with no danger to the engine. As with all of our upgrades, we offer a 3 Year / 60,000 Mile warranty, that mirrors your Vauxhall warranty.
Thorney Motorsport - Astra H CDTi [150] Stage 1 Power Upgrade
ECU Re-Map - £440 (£550 with Bluefin) +30BHP +50ft/lbs
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With a Power Pack 1 ECU upgrade we create a power delivery which pulls from idle all the way to the red line, the delivery is smooth but punchy at the same time and really is a revelation over the standard car. As well as this the fuel economy is typically improved by 20% so you really can have your cake and eat it. Your car is inspected to make sure all is perfect utilising Vauxhall Diagnostic Equipment and the car run on our state of the art Rolling Road equipment. We then read and check your cars standard ECU, copy it and install the new upgraded ECU software directly into the cars ECU via the diagnostic port (this can also be done using the Bluefin unit). |
Price List: TMS Bluefin Unit: £550 Thorney Motorsport |
Thorney Motorsport - Astra H CDTi [150] Stage 2 Power Upgrade
[3DR Model Only] ECU Re-Map & Throney Motorsport Exhaust System - £1,895
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Combining a Turbo-Back exhaust system with our ECU Re-Map will see your Astra at over 200BHP. This really is a very fast, very unassuming vehicle to own. With peak torque at 2750RPM, and 90% available from 2500RPM to 4000RPM the Stage 2's in gear acceleration is outstanding. |
Price List: TMS
Bluefin Unit: £550 Thorney Motorsport |
Thorney Motorsport - Astra H CDTi [150] Stage 3 Power Upgrade
[3DR Only] ECU Re-Map, Thorney Motorsport Exhaust System & Large Front Mount Intercooler - £2,995
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Fitting a larger, more efficient inter-cooler is a crucial step towards obtaining larger amounts of power. Basically speaking an engine is a controlled explosion; mix air with fuel and ignite it – bang, the cooler the air temperature, the higher the density of Oxygen. The greater the explosion = more power. With turbo charged engines the intake air gets hot very quickly with subsequent reductions in power, you feel this effect every day, in the cold air in the morning the car actually has more power compared to a drive home in the afternoon where the air temperature is higher. To combat this problem we worked directly with Pace Products in developing a pair of larger front mounted intercoolers. The kits come complete with all the extra pipe work, silicone hoses nothing else is required. |
Price List: TMS
Bluefin Unit: £550 Thorney Motorsport |
Thorney Motorsport - Astra H CDTi [150] Stage 4 Power Upgrade
ECU Re-Map, Thorney Motorsport Exhaust System & Large Front Mount Intercooler, Hybrid Turbo - £TBC
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In Development! |
Price List: TMS
Bluefin Unit: £550 Thorney Motorsport Exhaust System: £1,275.00 Thorney Motorsport |

