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Courtenay Sport Latest News and Information

Turbosmart Actuators

13 Oct 2014, 15:19

Uprated Turbosmart Actuator
Uprated Turbosmart Actuators are now in stock.

Uprated Turbosmart Internal Wastegate Actuators provide better turbo response and greater sensitivity when managing boost pressures, especially when bespoke mapping.

FEATURES:
• Silicone diaphragm with Nomex reinforcement to withstand high temperatures.
• High grade, billet aluminum construction.
• Stainless steel rods for corrosion resistance.
• Locking Collar design cap allows for quick spring changes.
• Actuator Base Pressure can be changed with internal springs.
• Anodised Black Finish
• Available with 10PSI Actuator Spring

APPLICATIONS:
This uprated Internal Wastegate Actuator is suitable for KKK factory turbos with an internal wastegate, such as K03, K04 (VXR) and K06 as used on 2.0 Petrol Turbo Z20LEx engines Astra G, Astra H, Zafira A, Zafira B including VXR models where an uprated actuator is required.

Can be used for all stages of tune/mapping with just spring changes if additional actuator clamping pressure is required during mapping.

Suits most 2.0 Turbo Z20LEx applications

Available with or without mounting bracket From £120.00 - £168.00

Buy Now Click Here!

VXRacing Door Sill Trims

9 Oct 2014, 14:27

VXracing VXR Door Sill Trims Now Available.

As fitted to Astra VXRacing Editon models

Only £33.60 per pair

Buy Now Click Here!
Previous Release: 19 May 2011, 17:49

DAP Springs Astra J VXR

1 Oct 2014, 09:30

Astra J VXR on DAP Springs DAP Springs are now available for the Astra J VXR.

Exclusively manufacturered for Courtenay Sport.

Lowered and uprated for improved handling and road holding.

Available online at £183.95 per set
Following our very successful and much acclaimed DAP R Astra H VXR spring kit we now have our DAP R Astra J VXR spring kit available.

Vauxhall set the bench mark very high with the original Astra J set up which didn’t make our job very easy however after an extensive period of development we have achieved what we feel is the ultimate fast road set up.

Visually the car now sits typically between 20-25mm lower. The straight line ride quality is slightly firmer but not at the detriment of ride quality and certainly does not feel crashy, however press hard into the corners and the suspension tightens, firming up giving more control through mind corner bumps and undulations whilst communicating with plenty of driver feel and feedback.

DAP Rs are wound from high tensile chrome silicone steel and are manufactured in a cold winding process for maximum durability in all weather conditions. They are powdered coated Diamond Black to give a very OE look and feel and have the DAP signature discreetly placed on them.

Uprated Performance Intercooler Astra J VXR

13 Jun 2014, 15:36

Once again we have joined forces with industry leaders Pro Alloy to develop our new enlarged, uprated performance intercooler kit for the Astra J VXR.

Our new intercooler is both larger in width and height than the standard unit with the core being twice as deep as the factory cooler. This represents a huge increase in available cooling area and volume and maximises the cooling available through the front of the car whilst also future proofing the cooler for use with high power large turbo setups.

The factory cooling set up has the air conditioning radiator in front of the intercooler so our first job was to remove the intercooler and then reposition the A/C radiator back, on to the water radiator. This is done so that the new intercooler is receiving the coolest air available. To further improve the efficiency we have included in the kit a lower air blade to stop the air washing away from the bottom of the intercooler.

Furthermore to maximise flow to and from the intercooler the kit comes complete with all the pipework which is enlarged to 60mm paying particular attention to the restrictive section straight out of the turbo seen at the top rear of the engine bay. The Intercooler kit also comes complete with all the required hoses and laser cut brackets and fittings.

Price: £899.00 Buy Now Click Here!
Astra J VXR Uprated Full Height Intercooler Astra J VXR Uprated Full Height Intercooler Kit Astra J VXR Uprated Intercooler - Engine Bay with Pipework
Astra J VXR Uprated Full Height Intercooler Astra J VXR Uprated Full Height Intercooler Astra J VXR Uprated Full Height Intercooler - Engine Bay

Corsa D 1.6 Water Rad

15 Apr 2014, 16:25

Due to increasing demand we have once again joined forces with market leader’s Pro Alloy to fabricate an uprated aluminium water radiator for the VXR and 1.6 turbo engined Corsa D.

The new radiator had to be an all alloy construction featuring welded end tanks; this eliminates the common issue on Corsa D water radiators where they leak from the plastic end tanks.

Additionally the core depth has been increase from 26mm to 40mm, whilst the surface area has been increased by 7.7%. Furthermore by reconfiguring the tube layout and foil pitching we have increased the flow area by 67% making the radiator much more efficient in cooling and ambient airflow through the core.

Finally the bottom lower water connection on the right hand end tank has been make one piece, getting rid of the factory eclip/circlip configuration that also has been known to separate at high pressure.

It is now available to order and can be finished raw in Natural Aluminium or powder coated in Stealth Black finish (at additional cost).

Ideal for direct replacement on any fast road or trackday car.

Price £558.00 including VAT 

It is also worthwhile considering an upgrade to Power Cool 180 Waterless Coolant at the same time. No Water, No Corrosion, No Pressure (less likelihood of leaks, less strain on hoses and other components) More BHP, No Hot Spots, No Overheating…….

Corsa D 1.6T Water Radiator Front
Corsa D 1.6T Water Radiator Front
Corsa D 1.6T Water Radiator Rear
Corsa D 1.6T Water Radiator Rear

Waterless Coolant

4 Apr 2014, 12:11

Evans Waterless Engine Coolant

Evans Waterless Engine Coolant

Evans Waterless Engine Coolant

We have recently converted one of our vehicles to Evans Waterless Engine Coolant, using Power Cool 180. Evans Waterless Coolant. Evan's Power Cool 180 High Performance Waterless Coolant for performance & track cars is designed for high performance engines fabricated from a mixture of cast iron, copper, steel and aluminium components. It has a number of advantages over conventional coolant, which are listed below.

Conversion to Waterless Coolant is fairly straightforward, with using Evans Prep Fluid is formulated to hygroscopically absorb water whilst flushing loose dirt and scale from the cooling system prior to filling with Evans Waterless Coolant. The job can be completed in just a few hours by either a professional workshop or competent enthusiast.

Benefits of Waterless Over Water-Based Coolants:

Eliminates Overheating
Evans Waterless Coolants have a boiling point above 180°C and will not vapourise, thus eliminating overheating, boil-over and after-boil.

Reduces Pressure
Evans Waterless Coolants generate very low vapour pressures reducing strain on engine cooling system components.

Prevents Corrosion
Evans Waterless Coolants contain no oxygen effectively eliminating corrosion.

Increases BHP
Evans Waterless Coolants eliminate pre-ignition and detonation caused by overheating, thus improving combustion efficiency and delivering more power.

Stops Erosion Evans Waterless Coolants prevent cavitation and eliminate liner and cooling pump erosion.

Freeze Protection Evans Waterless Coolants freeze below -40ºC.

Non-Toxic Evans Waterless Coolants are proven to be Non-Toxic. Standard anti-freeze is toxic and known to kill pets.

From what we have seen and heard about this product so far we are confident that it will outperform all expectations. Prices for Power Cool range from £29.95 - £64.95 and £15.99 - £39.95 for Prep Fluid. Available by Mail Order (Tel: 01692 404313) and online.

Convert your car to Waterless Engine Coolant:

For further information on Evans waterless Engine Coolant visit: http://www.evanscoolants.co.uk/technical/questions-&-answers/38
Power Cool 180°Download Product Brochures

2 Page Data Sheet
4 Page Brochure

How it Works.....

Water is an excellent fluid for cooling whilst in a liquid state, but when water turns to steam it has virtually no capacity for heat transfer. Evans is a superior fluid for transferring heat in engines because it remains in a liquid state until above 180°C. This article details the benefits of a significantly higher boiling point.

Within an engine cooling system the hottest surfaces are those adjacent to the combustion chamber, specifically the cylinder liners and cylinder head. In these hot spots water is likely to vaporise preventing efficient cooling and causing loss of performance and unnecessary engine damage. When the coolant fails in this way the engine becomes even hotter causing more hot spots and more steam.

Evans waterless coolants will not boil around these engine hotspots maintaining efficient cooling performance even when the engine is put under extreme conditions. When water turns to steam it pressurises the cooling system putting strain on hoses and other components. The significantly higher boiling point of Evans coolants means 75% less pressure than water resulting in a less stressed cooling system.

Water contains oxygen which causes corrosion and also allows electrolytic activity which further damages engine metals (chemical limitations of water). Evans waterless coolants eliminate corrosion and electrolytic activity significantly increasing the life of the engine.

Nucleate Boiling
Nucleate Boiling

Traditional water based coolants regularly cross the thermal boundary that separates efficient Nucleate Boiling (A) from inefficient Critical Heat Flux (CHF). CHF is synonymous with the condition 'Departure from Nucleate Boiling' (DNB). When DNB occurs, a layer of steam bubbles form adjacent to the engine hot spots (B).

Steam dissipates less than 1/30th of the heat that water does, rapidly over-heating local metal, causing premature detonation. The high boiling point of Evans Waterless Coolants, such as Power Cool 180, prevents DNB providing more efficient cooling in engine hot spots.
Courtenay Sport Vauxhall Tuning
Courtenay Sport
 Vauxhall Tuning

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