Tornado 14 CUX NAS Spec chip upgrade 3.9
type: Product
description: What do I get? You are buying updated software to install into a Lucas 14CUX “Hotwire” Fuel Injection computer. The software is supplied in an EPROM chip with the necessary decoder board, all packed in an anti-static shipping box. These parts are shown in the picture at the top of this listing. Fitting instructions are supplied, with full colour photographs. This software is intended for the 3.9 Litre engine, where the car is still using the standard Lucas 5AM airflow meter and standard Land Rover ERR722 fuel injectors. For best results the fuel pressure should be set to the standard 2.5 Bar, since the fuel injectors are operating within their maximum flow capacity. What are the benefits? Even for a sports car manufacturer, exhaust emissions is the first priority that must be met when mapping the standard engine. This inevitably involves various compromises to be made over the ideal settings for economy or power. Manufacturer’s emission tests are very much more stringent than the MOT test, and include the warm-up cycle which is where most of the problem emissions occur. Emissions compliance requires a very flat air/fuel mixture, which is neither ideal for economy or power. The compromises in the fuelling also require very conservative ignition timing. Once the fuelling issues are addressed then more adventurous ignition timing may be used. Such characteristics are not unique to any fuel injection system or vehicle manufacturer. This behaviour is displayed by most modern cars, which have to comply with very tough exhaust emission legislation as the first priority. Emission standards for manufacturers are so demanding that they need to use every trick in the book to ensure compliance. It is possible to achieve 10-15 BHP power increases with 10-15% economy improvements once these compromises are removed, and the engine will rev much more smoothly and eagerly. Many other operating characteristics are addressed by this upgrade. These include idle speed, idle stability, c…
offers: Offer
  price: 385.00
  price currency: GBP
  availability: https://schema.org/InStock
  item condition: https://schema.org/NewCondition

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