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Restoration & Repair Tips Board

Re: Condenser

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John T PS

08-18-2012 05:38:48

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To add to 36 Coupes excellent comment, if the condesnor value isnt close to the correct capacitance, you will observe like a pit/crater on one set of the contact points versus a build up on the other point. If however the capacitance is the correct value, while theres still normal burning and carbon, you wont see the pits versus build ups so much i.e. even wear on BOTH sides. That has to do with the condensor being the correct value to correspond to the coils inductance.....

So while she can still fire with the incorrect capacitance value, its best for spark quality and points longevity if its correctly sized and not several factors off correct.


Hope this helps

God Bless yall

John T

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36 coupe

09-02-2012 03:01:14

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 Re: Condenser in reply to John T PS, 08-18-2012 05:38:48  
The post on the 28 Chrysler came up when I turned the computer on this morning.I looked in my Ford Service Manual page on condenser capacity.Ford used 10 different part numbers on condensers before 1938.Most were in the .20 to.25 range, a few were.30 to.34 mfd.The condenser used on the 4 cyl Model B had a capacity of .45 to .63 mfd.Test was to be done at 250 volts.low capacity shortened point life, high capacity limited high speed performance.I have 6 nos condensers that test at .25 mfd.A note in the manual says I got it in april 1956.The ohmmeter test is null and void.I never used it.I have a model B nos condenser that tests at .50 mfd.Nos means new old stock in auto parts.

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