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The Amethyst mappable ignition system connects discreetly to any distributor retaining 'The Classic' look, whilst giving full user control over advance characteristics for vacuum, boost and TPS (throttle position sensors).
  • Compatible with Aldon Ignitor, other electronic ignition units or points
  • RPM and load maps
  • Easy configuration via laptop with USB connection
  • Configurable "soft" rev limiter
  • Built in immobiliser
  • Input Aldon "Ignitor" electronic ignition unit or points Number of cylinders 1 to 12 RPM range 0 to 10,000 Rev limiter 2,000 to 10,000 RPM Vacuum range 0 to 20" Hg Boost range 0 to 1 bar Dwell angle Automatic Supply voltage +8v to +20v Supply current Less than 100mA Operating temperature -25ºC to 80ºC Configuration interface USB 2.0 Operating system Windows XP, Windows 7

The Amethyst unit takes its input from your existing distributor (once advance is 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 and economy, and ultimately better all-round performance.
This vacuum advance version is ideal for a naturally aspirated engines 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. 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 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 electronic ignition units. However, it can also be used with conventional points.
Full software package and user guide is included. However Aldon or any other recognised rolling road companies can also undertake mapping for an additional cost. Specifications
Classic Mini Aldon Amethyst Mapable Ignition System

Classic Mini Aldon Amethyst Mapable Ignition System

Classic Mini Aldon Amethyst Mapable Ignition System
Part No: PSAMETHYST
$642.98
Qty:
Fits the following:
Classic Mini
Sprite & MG Midget
Morris Minor
The Amethyst mappable ignition system connects discreetly to any distributor retaining 'The Classic' look, whilst giving full user control over advance characteristics for vacuum, boost and TPS (throttle position sensors).
  • Compatible with Aldon Ignitor, other electronic ignition units or points
  • RPM and load maps
  • Easy configuration via laptop with USB connection
  • Configurable "soft" rev limiter
  • Built in immobiliser
  • Input Aldon "Ignitor" electronic ignition unit or points Number of cylinders 1 to 12 RPM range 0 to 10,000 Rev limiter 2,000 to 10,000 RPM Vacuum range 0 to 20" Hg Boost range 0 to 1 bar Dwell angle Automatic Supply voltage +8v to +20v Supply current Less than 100mA Operating temperature -25ºC to 80ºC Configuration interface USB 2.0 Operating system Windows XP, Windows 7

The Amethyst unit takes its input from your existing distributor (once advance is 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 and economy, and ultimately better all-round performance.
This vacuum advance version is ideal for a naturally aspirated engines 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. 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 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 electronic ignition units. However, it can also be used with conventional points.
Full software package and user guide is included. However Aldon or any other recognised rolling road companies can also undertake mapping for an additional cost. Specifications
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