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We think we have heard just about every possible question related to vehicle performance over the last 20 years and in many cases, have been complicit in delivering to the owner pretty much what he wanted, relative to budget.

The basic Land Rover is such a brilliant design that even in standard form, it out-performs most other 4WD vehicles. Don't forget though, that all vehicles are built to a price and inevitably, there will be compromises. The engineer might want a certain result, but the accountants want to save money. Pragmatically, the engineer "trades off" one desirable attribute for another. Most owners are generally happy with the vehicle as delivered and much of our energy is directed to keeping the vehicle performing to specification. However, for the true enthusiast, appropriate modifications can deliver awesome results.

The list at the right is just a few of the (legal) modifications that will improve handling and performance. Of all of these, the most significant and immediate gain will come from the engine management computer chip

• The engine management system is a series of programmable engine management computers that allow optimised fuel and ignition parameters to be channelled through a vehicle's standard factory ECU to deliver maximum power, optimised driveability and improved fuel economy.
• Enhancements consist of additional computer components integrated into the standard management system. They offer far more advanced control than "generic plug-in performance chip" products, allowing "real-time" tuning to meet the requirements of engine and driver. Being fully adjustable, they can cater for non-standard, current and future engine modifications. Best of all, they can deliver the most personalised power result every time - uniquely tuned for fuel type and rating, and even particular ambient conditions of operation.
• The enhanced system does not alter the cold start, knock sensors, water temperature sensors, air temperature sensors or oxygen sensors. All remain original components. A major advantage is that it works in harmony with the factory ECU to enhance and unleash the best possible performance result without compromising engine durability.
• Significant gains in torque and power across the entire RPM range are possible. In addition, the engine will be smoother, deliver greater response and maximise fuel efficiency at all RPM and throttle positions. A second reason is to harness the performance value of engine and exhaust modifications. Standard engine management systems are not programmed to cater for exhaust headers, cat back exhaust systems, high flow air cleaners, performance cam shafts, or larger turbochargers and intercoolers.
• Our enhanced management systems give the experienced Dynamometer technician the ability to adjust and optimise both the ignition and fuel system. Measurements may be taken at numerous engine revolutions and loads between zero throttle and wide-open throttle position. This allows possible adjustments for fuel and ignition timing.
• Power gains of 10 KW to 30 KW are common place, as measured by a chassis dynamometer. Whilst less common, power gains of 50 KW have been verified. The exact power gain depends on the design and condition of the engine and the factory calibration of the engine control unit. No two engines are identical. The enhancements allow for optimisation of each individual engine.
• Installation takes one full working day - pre-booking is essential
• A 12 month unlimited kilometre warranty applies to all engine management computer upgrades.

Graeme Cooper vehicle upgrades:

• Engine rebuilds and swaps (diesel and petrol)
• Suspension improvements
• Air-to-coil suspension modifications
• Dyno tuning
• Engine management system upgrades
• Wheel & tyre swaps
• Body protection equipment including light guards & side steps
• Roof Racks
• Lights & dual battery systems
• Wheel Carriers
• Replacement and Auxiliary Fuel Tanks
• Snorkels

Typical power curve after engine management upgrade