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2n ignition
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I may have located the problem

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rich

11-14-2000 06:03:26




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Hi everyone:
Thanks for all your patience out there. I think I have wore everybody down with my old gals sparky prblems. Last night I took the distributor out again for about the 10th time and I noticed end play in the distributor shaft that is approx 1/4 inch. When looking at the rotor and cap, I noticed that the rotor was cutting into the distributor and the contact point was just below the metal contacts in the distributor cap. I haven't attempted it yet but am going to try to get the distributor apart and put some shim stock or something in the assembly to tighten her up. That certainly would be reason for the old gal running rough. I will keep you guys posted. Thanks to everyone on the board. I would not have the confidence to keep plugging away if it wasn't for this board. I think I have read at last a 1,000 posts on ignition in the archives. I am learning.

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Claus

11-14-2000 06:34:23




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 Re: 2n ignition - I may have located the problem in reply to rich, 11-14-2000 06:03:26  
With that much play, the cam and weights assembly is probably gauging ridges in the bottom of the case. As Waterboy stated, replace the bushings. When you replace the bushings, fit the cam and weights assembly until you have about .003" vertical play. This is accomplished by moving the bushings up or down. You need a little bit of the bottom bushing sticking out so that the weights assembly does not hit the bottom of the case. Later designs slightly concaved the bottom of the case. While you are at it, see if you have the screw in the middle of the shaft (Bottom) and remove the shaft and oil the wick. Take a sharp object and remove any carbon on the spiral groove on the bottom bushing boss of the shaft. The top of the shaft has a small hole in it. Make sure that it is cleaned out. Newer aftermarket assemblies omitted the wick..I guess they depend on slinger splash lubrication.

Happy Motoring
Claus

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rich

11-14-2000 09:27:10




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 Re: Re: 2n ignition - I may have located the problem in reply to Claus, 11-14-2000 06:34:23  
Claus:

I do not have the screw on the bottom of the shaft for the wick. This is a 46 2n. There are like two oil holes in the casting disc on the cam shaft side of the distributor and the shaft has spiral groving on it . would this have been the oiling method of the this distributor? thanks



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rich

11-14-2000 10:36:20




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 Re: Re: Re: 2n ignition - I may have located the problem in reply to rich, 11-14-2000 09:27:10  
Claus:

In looking at the original base bushing, there is a small diameter hole that goes through the bushing. Could that have been an oil resevoir hole or a channel for the oil to go to the shaft from the inside the base assembly. I haven't pressed out the old bushing yet but it could possibly have a machined oil grove behind the hole that runs all the way around the bushing. I guess I will find out more later.

Thanks

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Claus

11-14-2000 09:36:10




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 Re: Re: Re: 2n ignition - I may have located the problem in reply to rich, 11-14-2000 09:27:10  
Unless you drill through the bushing, (Once proplerly installed and adjusted) there is no way for the splash oil to get to the shaft boss.
Happy Motoring
Claus



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rich

11-14-2000 07:01:56




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 Re: Re: 2n ignition - I may have located the problem in reply to Claus, 11-14-2000 06:34:23  
Claus:
Thanks for your assistance. I knew about the wick and its importance from reading some of your posts in the archives. I have one question, is the assembly removed from the distributor cap side by taking off the snap ring or from the camshaft side by pring off the casting cover? As I understand you, the end play is adjusted by the bushings, I have the two bushings in my possession right now with the distributor by my computer. I thought the bushings would only prevent side ways play but I see now that one side of the small bushing is almost wore through. Thanks again.

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Claus

11-14-2000 07:51:18




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 Re: Re: Re: 2n ignition - I may have located the problem in reply to rich, 11-14-2000 07:01:56  
It is removed by removing the snap ring on top of the point plate as you guessed the first time. Then remove the timing adjusting screw. Mark the location of the point plate. then remove the capacitor (condenser) lead. Then you can pull the point plate up.... You may have to work the dist shaft into the new bushings a little bit to make them fit....
Happy Motoring
Claus



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WaterBoy in MI.

11-14-2000 06:16:19




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 Re: 2n ignition - I may have located the problem in reply to rich, 11-14-2000 06:03:26  
Rich:

I found the same thing on my front mount distributor. The bushing were so wore that the point gap would change. New bushing from N.H. dealer. Made big difference. Good Luck.



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