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  • EA81 electronic ignition.

    Tim Mc., could you please post wot you said bout sum electronic ignition systms not be'n conpatable with sum coils/ transformers.I forget wot you said, and its probably good to have the info on the forum coz their maybe sum machines set up wrong.BTW, with the one i'm play'n with, it was the spark break'n down at revs, the tranny works spoton.[ ring ya shortly bout sum other stuff, ho yeh, it flys too.]Ignorance is bliss............but only till you realise you were.You can always get the answer you want, if you ask enough experts.

  • #2
    The electronic ignitor in the EA81 distributor should use a different coil. In the Subaru car the coil used has "use with ignitor" written on the bottom. Bosch do not make a replacement coil for the electronic Subarus so I sent one of the origonal coils away to them to mach up. The one that was closest to the same reluctance was their black transformer coil part no MEC-723. Before I found this out I used a Bosch GT40 and blew the electronic ignitor in about 10 hours. Whether the unit was faulty or not I do not know but I have never had any trouble since using the MEC-723.Tim McClure

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    • #3
      gentsi've have seen 2 ea81 with what looks like 4 coils (one for each plug) and no distributor is this what they call wasted spark ?? run of a crank sencer?? and is it a good thing for a gyro?

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      • #4
        If it is a twin coil setup with two plug leads from each coil then it is what they call the "wasted spark" setup, where the coils fire two plugs at the same time, and fire twice as often. If it has a coil for each plug then it could be either "wasted spark" or individual firing like a standard distributor. A tiny Tach that works from a plug lead on a wasted spark system must be switched onto "Two-stroke".Tim McClure

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