The 123\MG-4-R-V-POS is designed especially for the MGA and MGB.
This unit offers “Positive earth” option. This means the unit can be used on positive earth cars. ( + of the battery connected with the chassis of the car) It is also possible to use this unit on a negative earth car.
All the advance-curves, that were ever specified for these cars, are integrated into this product.
For MGC see 123\GB-6-R-VThe unit offers a maximum total of 16 advance-curves to be selected by the end user.
Please take a look in the table below for available advance curves.
|advance starts||max. advance||vac. adv. starts||max. vac. adv.|
|curve||[rpm crankshaft]||[rpm/||degr. crankshaft]||[mmHg]||[mmHg/||degr.]||replaces||remark|
|0||0500||2200||28,0||100||300||18,0||MG-A DM2/40510||set static at -10 degrees, HC at -5 degr.|
|9||1000||6000||27,0||100||300||16,0||41234,41391,41692||18V892AE, 18V779F, 18V780F, 18V893AE|
|C||1000||4400||22,0||100||300||10,0||–||intended for â€˜stage 2â€™ engines|
|range:||500 – 8000 rpm|
|temperature:||-30 to 100 Celsius|
|coil:||stock or High Energy coil, primary coil NOT below 1,0 ohm|
|dwell:||constant current, fully autom.|
|time-out:||after 1 second current is switched off|
|spark-bal.:||better than 0,5 degr. crankshaft|
|vacuum:||starts at 100 mmHg, ends at 10 degr. @ 300 mmHg|
|max.advance:||45 degr. crankshaft|
|wiring:||red = +6V or +12V, black = ‘-‘ coil|
123ignition has been active in the field of classic cars for more than 15 years and through this became a respected brand. The company started in 1992 and from 2001 fully focused on electronic ignition systems. The first prototype ignition was born out of passion a couple of years before. A project was started to provide an electronic ignition for a Citroen 2CV. This turned out to be such a great success that the project was turned into a product. Meanwhile, the assortment expanded more and more, and we can now offer a suitable product for many classic cars.
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