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Aldon Amethyst mappable ignition system - vacuum version AM03V

Aldon Amethyst mappable ignition system - vacuum version AM03V
No Tax, Each £0.00 Taxed, Each £0.00
No Longer Available
This mappable ignition system connects to any distributor si....


This mappable ignition system connects to any distributor simply and discreetly, retaining the classic look. It gives full user control over advance characteristics for vacuum, boost or TPS. It's key features are:

  • Compatible with electronic ignition units or points
  • RPM and load maps
  • Easy configuration via laptop with USB connection
  • Configurable "soft" rev limiter
  • Built in immobiliser

The Amethyst unit takes its input from the existing distributor (once advance has been locked) and calculates the required ignition advance based on RPM and either inlet manifold pressure or throttle position. The unit can be configured via a PC connected to its USB port.

The software package allows you to choose and/or modify from any of the preloaded maps or download your own existing advance curve, which can then be modified to suit your engine specification. You can switch between two of your stored maps remotely, without the need to connect to a PC.

The advance characteristic can be matched much more closely to the engine's requirements than is possible with conventional advance springs and a vacuum bulb. Benefits include improved driveability, economy and ultimately better all-round performance.

Dwell is automatically calculated to combine strong sparks at all times with minimum load on your coil. The dwell angle can be entered manually if preferred. The Amethyst also incorporates an effective immobiliser and you can set a "soft" rev limit up to 10,000 RPM.

For the most accurate results, Amethyst should be used in combination with Aldon's Ignitor electronic ignition unit. However, it can also be used with conventional points.

Vacuum advance version is ideal for a naturally aspirated engine equipped with a conventional vacuum advance distributor. The vacuum pipe to the distributor can be connected directly to the sensor on the Amethyst unit, and any desired advance curve can be set.

Additional Information

Additional Information

Part No AM03V
Fits Engine Type Universal Fit
Product Group Electronic Ignition
Replacement Part Nos AM04V - Aldon Amethyst mappable ignition system - vacuum version
Stock Status No Longer Available
Catalogue 2017 Page Click HERE to view this part on page 90 of our 2017 catalogue
Brand Logo Aldon