14CUX NAS spec chip upgrade 4.6
Tornado
€574.38
This software is intended for the 4.6 Lt engine, where the car is still using the standard Lucas 5AM airflow meter and standard Land Rover ERR722 fuel injectors.
What do I get?
- Updated software to install into a Lucas 14CUX “Hotwire” Fuel Injection computer
- An EPROM chip with the necessary decoder board, all packed in an anti-static shipping box
What do we recommend?
- For best results the fuel pressure should be set to the standard 2.5 Bar (36psi)
- We recommend upgrading your fuel injectors
- Upgrading your MAF to the GEMS 20AM unit is recommended
What are the benefits?
- 10-15 BHP power increases with
- Improvements in fuel economy of 10-15%
- Better response above 4500RPM and removal of the "flat spot" on full load between 1750 and 3250RPM
- Improved idle speed, idle stability, shift patterns, cold starting, crank fuelling, rev limit (6500rpm), etc.
- Improved engine acceleration via the ECU configuration, to make it more responsive
- Service and fault diagnosis procedures are unaltered, and the upgrade is undetectable to Land Rover TestBook, Autologic, Rovacom or Lucas/Sun PDL test equipment
- Removal of speed limiters if applicable (except TVR)
- “Check Engine” (or MIL) lamp is disabled in the software for all territories except North American Specification (NAS) vehicles.
Important Notes:
We need to know which family your ECU is. With you order, please include the following information and use the guide here as a reference:
- Letter and numbers in position 1 of the diagram in the guide
- Does your car use catalytic converters
- Is your ECU a eprom style chip (removable) or fixed chip