The 123/Porsche-4-R-V can be used in the Porsche 912, 914 and the Porsche 356.
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The 123/Porsche-4-R-V can be used in the Porsche 912, Porsche 914 and Porsche 356 models WITH vacuum advance.
With a switch you can easily choose the advance-curve that is specified for your specific engine. The unit offers a built-in LED for easy static timing and several different advance-curves.
It also offers:
- Vacuum advance
- Automatic dwell
- Spark balancing
- Automatic power-cut after 1 second
- Gear shift retard
- etc. etc.
When you'll need a 123ignition without vacuum advance, please order a 123/Porsche-4-R.
Please read the installation manual carefully. It contains the specifications of the 123-ignition system, as well as a step-by-step description of the installation procedure. The installation instructions also contain a cross-reference between the original Bosch number and the setting of the 123/Porsche-4-R-V, as well as a list which links engine numbers to the required setting of the 123ignition.
Although used coils all look alike, they should be viewed with suspicion since one cannot tell from the outside whether, and how often they were exposed to overheating in the past. Installing the 123ignition system will ensure that the coil will never be overheated again in future. We recommend the Bosch Blue Coil.
Perhaps you'll also need new spark plugs? At Leen APK's we recently added the spark plugs most commonly used in combination with the 123ignitions we offer. See: the spark plugs list.