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Voltage measurements on the number 3 terminal are misleading and meaningless, except to know 'something' is there. That voltage is pulsed at a rate depending on engine rpm. Response to pulsed voltages changes meter to meter. Remember that terminal 3 goes to the "points", in this case the...

Timing should be set at idle rpm so there is no advance contribution from the centrifugal spark advance. Then you will see much earlier spark as engine is rev'ed. That's ok. I have seen 30 to 40 deg btdc. You would think the engine would never run with that early timing but it does. It all...

Hi Crunchy, I do this all the time: stack a layer of cribbage to get at least high enough for a bottle jack to not have to extend much. Don't use much of the 'screw section' for safety. You will be plenty secure with the one good jack under the axle anythere near the wheel. Yes, the jacked...

Edit: I got a closer view to the upper left of the rotor in your reference photo. Is that a loose yellow wire? No need to replace the Pertronix, IMHO. If the engine runs at all, the Pertronix is functional. Be sure the magnet ring is seated down on the cam of the distributor so the magnets...