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    Mercruiser 5,7 with Delco EST don't save the distributor timing

    Hello I have a Delco EST distributor on my mercruiser 5.7. I have changed ignition module, pick-up coil and ignition coil. Also distributor cover and rotor. When I start up the engine it is at 20-25 degrees of ignition so I plug in the jumper and put + 12v on the black cable and hear how the...
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