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04-23-2020, 01:02 PM | #1 |
Member
Join Date: May 2010
Location: Sultan, WA
Posts: 59
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Distributor shaft wobble?
I recently made a purchase of parts from a popular Model A supplier so I could could perform a complete rebuild of my distributor. When I received the parts I noticed the ends of the upper and lower shafts were not machined to be centered. When I contacted the supplierand asked the question, I was told "The shafts were designed this way to allow the shafts to float. This helped eliminate excessive bushing wear in the distributor". Is this statement true? Logic tells me that something that is that far off is going to wobble and cause bushing wear. Please help this rookie understand.
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04-23-2020, 01:05 PM | #2 | |
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Join Date: Aug 2012
Posts: 880
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Re: Distributor shaft wobble?
Quote:
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04-23-2020, 01:25 PM | #3 |
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Join Date: May 2010
Location: Oregon
Posts: 5,962
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Re: Distributor shaft wobble?
Totally normal.
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04-23-2020, 01:27 PM | #4 |
Senior Member
Join Date: Oct 2015
Location: Virginia
Posts: 409
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Re: Distributor shaft wobble?
They all look like that from the oil pump up to the distributor shaft. Probably doesn't get as much slop in it. I have had new ones that were kind of tight especially if the collar is new.
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04-23-2020, 01:33 PM | #5 |
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Join Date: Jul 2010
Location: United Kingdom
Posts: 1,441
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Re: Distributor shaft wobble?
Absolutley totally normal ... which begs the question .. why did ford make the slot and tangs off-center..there must be a simple reason ... but I can't think what it can be ! can someone enlighten me
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04-23-2020, 01:52 PM | #6 |
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Join Date: May 2010
Location: Windy City
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Re: Distributor shaft wobble?
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The big advantage to all of us now, as antique buffs is that you can have a perfectly adjusted pre-timed dizzy under your seat that you can just drop in in an emergency. You just can't use it on a different A engine without re-timing for that engine. If you put a long jumper on your spare dizzy attached to a spare coil and a wire from that coil with an alligator clip you could bypass a multitude of problems in an emergency and drive home. |
04-23-2020, 01:59 PM | #7 |
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Join Date: May 2016
Location: Glide, Oregon
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Re: Distributor shaft wobble?
See post #2.
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Ruth "Sometimes you really DO need to read the whole thread" |
04-23-2020, 02:18 PM | #8 |
Senior Member
Join Date: Jul 2010
Location: United Kingdom
Posts: 1,441
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Re: Distributor shaft wobble?
[QUOTE=MikeK;1878226] By having a one-way shaft fit you can take the dizzy out and put it back in without changing the timing so long as you do not loosen/ twist the cam. Ah yes of course, Thank you!
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04-23-2020, 11:19 PM | #9 |
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Join Date: Dec 2014
Location: Shawnee, Ok
Posts: 3,471
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Re: Distributor shaft wobble?
I've found that some of the newer shaft/slots are very tight going on either the shaft into the distributor or the slots mating, don't be afraid to file the shaft diameter or the slot to get a good fit..take your time with a fine file...don't use a grinder, don't over file.
If your parts fit fine and feel fine count your blessings and move on to the next task. Good luck and good driving
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Keith Shawnee OK '31 SW 160-B |
04-25-2020, 01:50 PM | #10 |
Member
Join Date: May 2010
Location: Sultan, WA
Posts: 59
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Re: Distributor shaft wobble?
Thank you all for your help. I understand now how all this goes together, I wasn't aware the offsets were intentional.
I assembled everything and I now have spark! I will try to start as soon as the rain let's up. Cautious though, I will be hand cranking as my starter does not work. |
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