I posted this on another thread so sorry in advance but I really need help with the Pertronix 1643
Bringing back and Old thread for some help. I bought the Pertronix 1643 from Amazon last year and trying to install it now but have no instructions and I don't know much about automobile electronics at all, so far it has been pretty much straight forward, remove cap rotor, disconnect the wires remove the points plate, 2 screws - 3 if you count the ground wire but that will be reinstalled, and the other single phillip screw that was holding a tiny tension mount that contacted the distributor shaft next to the points. I cleaned the surface where the new 1643 ignitor plate was to be installed then installed it with the 2 screws making sure to reinstall the ground wire on one of the two screws. I routed the new black and red wires from the ignitor inside and around the distributor housing through and out of the original white electrical screw gourmet. At this point I am stuck, how is the black plastic magnetic ring that is provided supposed to be installed? slits up or slits down? the hole on the side with the slits is a little smaller than the side without. I tried to install it slits up by pushing it as far down as I can but then the bottom of the magnetic ring rubs the ignitor plate mounting screws and when the rotor is installed it is difficult to turn the shaft, the rotor contact is pushing up on the distributor cap and causing the cap tp move or dislodge, also the magnet ring top sits lower than the top of the ignitor housing so that setup can't be correct, correct? I also noticed on youtube a install that the magnetic ring was installed with the big hole faced up and the rotor fit over the shaft like usual but into that black magnetic ring, this would seem to work but my rotor sleeve will not fit into the magnetic ring so with that set up there is no way to fit the distributor cap on. Can anyone help me with this. How do I install the black magnetic ring? slits installed facing up or down? is the top of the black magnetic ring supposed to be flush with the top of the ignitor housing? BTW the new ignitor housing is slightly higher then the distributor housings edge, could I have been sent the wrong magnetic ring? being that there is no way of making these parts fit vertically no matter how I install the magnetic ring unless I dermal the tops of the ignitor plate mounting screws and push the ring further down, but then the top of the magnetic ring won't be flush with the ignitor housing, at least half inch lower. Any help would be greatly appreciated.
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