 Courtenay ProTech
Balancer Shaft Removal Kit
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Now available from Courtenay Sport, a balancer shaft deletion kit for Z20LET, Z20LEL and Z20LER applications.
This kit safely removes the balancer shafts installed from the factory, and reduces internal power losses and enables the engine to rev more smoothly and briskly when the bottom end is lightened and balanced as part of an engine rebuild.
We remove the balancer shafts as a matter of course when we carry out high power engine rebuilds.
Top Image shows the balancer shafts removed and the kit fully installed prior to the sump being fitted.
Bottom Image shows the components in the balancer shaft deletion kit
Kit Retail Price: £105 inc VAT Courtenay Sport Price: £89.95 inc VAT. |
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Corsa VXR Spring Kit
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Eibach Pro Kit Springs for Corsa VXR. Eibach Pro Kit springs with their progressive spring design and excellent ride quality will dramatically improve this car's handling, performance and appearance. With a lower centre of gravity, less front to rear weight transfer under hard acceleration, less body roll during cornering and reduced nose dive under heavy braking these springs are the ultimate for fast road and light track day use.
Retail Price: £150.00 - Special Offer £127.50 Limited Stock. Call us Now.
Fitting available in our workshop £195 inc VAT.
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M32 Quaife ATB Limited Slip Differential
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Now available from Courtenay Sport, the Quaife ATB differential for M32 gearboxes. A direct replacement for the standard Vauxhall differential, the Quaife ATB differential transforms your car's performance, making getting the power down onto the road easier, for improved traction and driveability.
Unlike a conventional plate-style limited slip differential, the ATB diff relies on gears rather than clutch plates for its operation. That means it is much smoother in operation. Because of this, the ATB differential never locks harshly with a set pre-load of wheel slip across the driven axle, like a conventional LSD. Rather, the differential automatically biases the torque away from the spinning wheel across the axle, to a constantly varying degree, and never locks. |
The Quaife ATB differential has many benefits over a standard open differential, including maximising traction and minimizing wheelspin, eliminating torque steer and snatching in front wheel drive cars compared to conventional LSD units, and a maintenance-free design which retains the standard oil lubrication.
Available now for Astra VXR (Z20LEH), Astra 1.9 CDTi, Astra H 2.0 Turbo (Z20LEL/Z20LER), Astra H 1.6 Turbo (Z16LET), Corsa VXR (Z16LER), Corsa D SRi 1.6 Turbo (Z16LEL)
Retail Price - £628 including VAT. Introductory Offers Available - Call for details. Fitting Also Available. |
Corsa VXR - Panel Filter
| Our high flow panel filter is now available for Corsa VXR. The Courtenay Sport High Flow Panel Filter offers better air flow than a standard filter, it is re-useable time and again. Each filter is supplied with a can of filter oil which allows maximum dirt retention and it can be easily cleaned by thoroughly washing using hot water and washing-up liquid. Once dry it can be lightly re-oiled. Price: £34.95 inc VAT and shipping. Order NOW - Click Here |
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Stephan's Speedster Turbo breaks the 10 second barrier!
Stephan Klasen, our mapping engineer, set himself a target to build an Opel Speedster turbo capable of running a quarter of a mile in less than 10 seconds. He has come close before at a fraction over 10 seconds.
On Saturday the 1st of September he achieved his goal, after finding another 17 bhp from an already very powerful Z20LET engine. With some tweaks to the cam timing and increasing the air flow meter to a 100mm version, further mapping resulted in 602 BHP.
The 1/4 mile time was 9.969 seconds at 143.77 mph. He also recorded an 1/8 mile time of 6.58 seconds at 116.00 mph
See the video here.........
Congratulations Stephan. Keep up the good work. |
New Website
22-08-2007: We have our new website up and running. After a server move and redesign we are now settling into our new online home. We hope you enjoy the new look site.
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