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The Tunit III focuses on reducing the lag seen on older diesel engines. Mid-range improved torque makes driving much more of a pleasure bringing benefits in economy also.
The Tunit III is adjustable on installation. If the vehicle has a change of use then further adjustments can be made.
The Tunit has provided economy for many years on an array of applications and has been used extensively on Military vehicles.
Steve,Nissan Navara 2.5 DITD
Just a quick note to say how impressed I am with the Tunit I had fitted to my truck. On your recommendation I had the Tunit fitted at Car Media in Sudbury, Suffolk. All I can say is that they are a great bunch of guys, they are very knowledgeable and couldn't do enough to help. As for the effects of the Tunit, I'm most impressed, it has totally transformed the truck from a bit of a slug to a tyre-smokin' beasty! Since the Tunit has been fitted, I've found I'm getting around a 7% improvement in fuel economy, which equates to an extra 40 miles per tankful. So thank you for a very good product and service.
Stewart ,Toyota Hilux 2.5 D-4D
Many thanks for the customer support enquiry. The answer is Yes we managed to fit the device successfully. We have left it on the factory setting 5 and it has transformed the engine. It has improved the fuel burn from cold , the engine smoked a little originally even though it had only covered 20,000 miles. It is noticeably more powerful through the rev range and clearly has more torque than the stock programming. We are very pleased so far and would recommend your product. Kind regards Stewart