Discontinuing search for .33 micro-farad capacitors. For the last three years, my partner and I have been trying to find a .33 micro-farad capacitor to be used in our units under certain circumstances. Recent research has yielded enough information that we have decided that the need for these is almost nil. It consists solely of those running good original Ford coils. It has come to our attention that the converted coils are different enough in electronic characteristics that a .33 micro-farad capacitor is probably a bad choice to run with them.
We are now working on determining what the actual capacitance of a condenser would be that would be optimum for these modified coils. For the present, ourt .22 micro-farad units continue to be a good choice for performance and minimal point wear. I have been talking about the higher value units for so long that I thought it would not be fair to drop the search without giving notice. |
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Re: Discontinuing search for .33 micro-farad capacitors. "Terry OH" posted a link to an article concerning this on my previous thread. You are correct in saying that the optimum capacitance varies with RPM. I will be doing some additional research on this, but I now believe that the practical range for optimum performance is so wide that it makes little difference. As of now "Close" counts in condensers, as well as the traditional "horseshoes and hand grenades".:D
I will be doing continuing monitoring of point wear on my own cars, which is probably the most practical way of going about it. At this point, I don't even know what the relationship between point wear and optimal performance is.:confused: |
Re: Discontinuing search for .33 micro-farad capacitors. My solution for the problem might sound 'pointless' :):D
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Re: Discontinuing search for .33 micro-farad capacitors. I had hoped that Tubman could put a mid .30's into one of his trashcans but he said it would not work out. Such a neat looking condenser. I am still using the original Ford part in my 34. I have not had any problems for the 5 plus years of running. I have a couple backups that test good so I feel I am "good to go." Probably sell the car this year so the next guy can do his own experimenting if the need arises.
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Re: Discontinuing search for .33 micro-farad capacitors. "34fordy" - Just curious; have you had your coil rebuilt or is it original?
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Re: Discontinuing search for .33 micro-farad capacitors. 34fordy,
A friend of mine that owns a early ford parts store SWEARS there is a method to dry out the coils and seal them and they never go bad. Maybe this was whom yours came from? |
Re: Discontinuing search for .33 micro-farad capacitors. There was an article about 15 years ago in the EFV8 club magazine that baddressed this exact issue. It looked good to me, but there was a lot of resistance to the process. I don't exactly remember who it was from.
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Re: Discontinuing search for .33 micro-farad capacitors. Confirms what I have concluded. Thanks, "Pete". It means a lot coming from you.
I was kinda surprised that an old "cam grinder" would be so "up" on advanced mathematics, but once I thought about it, it makes perfect sense. |
Re: Discontinuing search for .33 micro-farad capacitors. I met the 'dry out guy' at Hershey 20 + years ago, turned he had written a couple
articles about his process. I bit and sent him 3 coils.....each worked 100% for about 30 miles, then George Mitchell and Skip came on the scene.......end of story. Charlie ny |
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Thanks. |
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I’ve never tried a “dried out” one. I only use skips, matter of fact I have six coils sent off to him right now. I had one apart and there is no way I would attempt to rebuild or sneak a coil in a original case due to the time it takes when skip does them so cheap Sent from my iPhone using Tapatalk |
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Re: Discontinuing search for .33 micro-farad capacitors. The whole front mounted distributor with integral coil was definitely one of those things that Henry Ford wanted to pursue. Emil Zoerlein mentioned a lot about it in his reminiscence at the Henry Ford. A lot of the reason the coils were designed the way they were was at Henry's insistence. Eventually Henry collaborated with Marion Mallory Sr to improve the design over time and for better production methods. A person has to get curious about the design to figure out why they had to use a ballast resistor on a 6-volt system. All this stuff was designed to make Henry's idea work and work it did but it wasn't conventional for the time period.
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Re: Discontinuing search for .33 micro-farad capacitors. They do work OK though, as I pondered on our recent trip out to Ayers rock and back in the 33,day after day it hummed along at 53 mph towing the caravan for around 7000 klms,
Lawrie |
Re: Discontinuing search for .33 micro-farad capacitors. If you are interested, there is a fairly detailed article on condensers in the 2014 September/October issue of the V-8 Times.It covers the values of Ford condensers from 1928 thru 1953.
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