This may be an equivalent to the Summit unit, may have better
    quality control!

    https://www.summitracing.com/int/parts/maa-6852m/overview/ <https://www.summitracing.com/int/parts/maa-6852m/overview/>

    Steve Carlisle


    The specs are much better.

    Less current per 1000 RPM.

    Works down to six volts. Thats great.

    I cannot find a cost however.


    Paul Lamar



https://www.holley.com/products/ignition/ignition_boxes/parts/6852M <https://www.holley.com/products/ignition/ignition_boxes/parts/6852M>

   About $120

   Gary Knutson


   Thanks Garry.

   Looking good. Good docs. Attached.


   Paul Lamar

This unit is designed for 4,6,or8 cylinder engines. How would that affect the
2 rotor, with 6 power stropes between 2 rotors

Steve carlisle

With the rotary they are so different that you must innovate and adapte the systems
designed for the piston engines.

When they say they are 8 cylinder they probably assume you are using an old
fashion distributer. Other wise you would need a computer. Perhaps some have a
computer built it like the MSD Midget. That is unlikely to work as a 4 cylinder
fires every other rev. The rotary fires two plugs every rev for each rotor.
Apples and oranges. The MSD 6 can work on 8 cylider with a distributor.

The rotary community adopted the MSD 6 because it was simple to use one per plug
or one for two plugs with a wasted spark coil.
The same goes for the MALLORY.


Paul Lamar

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