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Distributor timing
My 69 -912 Porsche came originally with a Vacuum advance Bosch Distributor (061)
It was 'upgraded' along the way to a Mechanical Bosch (031) - which changed the timing mark - way off the 'set' marks on the case. This I guess is expected, with a different 'aftermarket' distributor in place.
I've bought yet another Bosch (050) (because it will accept a Petronix Elec. ignition pick up, and the 031 will not). And I am sure my Timing marks - will now be in another different place.
Question is - How does one know where to set the timing ? (there are no set instructions - like 28 degrees or anything. Simply set it to what sounds good ??- with idle and acceleration - "sounding" good? I know too far advanced and too retarded will cause heat problems etc. --- or just take the Distrubitor in the box, and the car to 'The Shop" - then mark the timing spot - when I get it back, for future reference. But then - there would go the fun....
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