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Ford 9N, 2N & 8N Discussion Forum

Axle center Pin Bushing

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russb

09-25-2007 21:43:32

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Just got new pin and bushing from our sites host. It is a way sloppy fit, like 20-30 thou. Has anyone done one lately and how was the fit?

1.745 pin diameter
1.770 inside bushing

Geeze, 35 thou

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don b

09-26-2007 07:31:50

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Re: Axle center Pin Bushing in reply to russb, 09-25-2007 21:43:32

Russ....the prints call for the bore in the axle support to be 1.910-1.912.The id of the bushing should be 1.756-1.764.The Tisco bushing measures 1.917od and 1.772 id.The pin should measure 1.748-1.747.The Tisco pin measures about 1.748-1.750. don b

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TheOldHokie

09-26-2007 07:39:55

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Re: Axle center Pin Bushing in reply to don b, 09-26-2007 07:31:50

don b said: (quoted from post at 07:31:50 09/26/07) Russ....the prints call for the bore in the axle support to be 1.910-1.912.

[/quote:4d7c80c09c]

That would be in the axle center section - no?

[quote:4d7c80c09c]The id of the bushing should be 1.756-1.764.The Tisco bushing measures 1.917od and 1.772 id.The pin should measure 1.748-1.747.The Tisco pin measures about 1.748-1.750. don b

So the Tisco bushings are a tad "loose" - about .008 over the spec'd max before pressing.
TOH

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don b

09-26-2007 10:00:44

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Re: Axle center Pin Bushing in reply to TheOldHokie, 09-26-2007 07:39:55

Dan....yeah I meant to say center axle,not the axle support.The bushing OD and ID is a little oversized.You might have a little trouble installing the bushing in the center axle.Don't think the ID oversize will be a problem tho. don b

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TheOldHokie

09-26-2007 10:18:58

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Re: Axle center Pin Bushing in reply to don b, 09-26-2007 10:00:44

Yeah - I knew what you meant - just pulling your chain. Still in the market for some 9N-3126A's?

TOH

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don b

09-26-2007 11:57:35

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Re: Axle center Pin Bushing in reply to TheOldHokie, 09-26-2007 10:18:58

Dan.....yes I am,when you get time.HAM too!!! don b

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soundguy

09-26-2007 07:25:57

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Re: Axle center Pin Bushing in reply to russb, 09-25-2007 21:43:32

I'd be more concerned if the bushing fit sloppily in the axle, vs some play in the pin to the bushing as the others stated.

if you lube it.. get some graphite lube.. etc.

Soundguy

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Brian Bell

09-26-2007 05:36:11

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Re: Axle center Pin Bushing in reply to russb, 09-25-2007 21:43:32

I just replaced the pin and bushing in my '51 8N. had to take the front end off to get teh old pin out...man what a mess 50+ years of rust and corrosion caused! When I put it back together, it had approx .025-.030 of play in it. I did not grease it like the manual said....what a mistake. This think squeals and sqwaks like crazy now, driving me up the wall. I'm trying to get some spray lube in there to shut it up. I know they say not to grease it...but to each is his own. If I had it to do over, I probably would.

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TheOldHokie

09-26-2007 04:42:02

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Re: Axle center Pin Bushing in reply to russb, 09-25-2007 21:43:32

russb said: (quoted from post at 21:43:32 09/25/07) Just got new pin and bushing from our sites host. It is a way sloppy fit, like 20-30 thou. Has anyone done one lately and how was the fit?

1.745 pin diameter

1.770 inside bushing

Geeze, 35 thou

I just shipped one of the early 9N versions I custom make to a customer and he reported the same concern.
third party image

The Ford spec on the pin itself is .002/.003 under the nominal 1.750 bore in the axle support (1.747/1.748). I try to keep the ones I make in that range - your's is a tad undersize but unless it's sloppy in your housing I'd not be overly concerned about it. I have no idea what the spec on the bushing is supposed to be. In that application I'd think .020 is plenty tight enough but if you must have it closer you can probably find a stock 1.750 sleeve bearing and ream it to finish size.

TOH

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OKDAD

09-26-2007 00:15:08

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Re: Axle center Pin Bushing in reply to russb, 09-25-2007 21:43:32

Russb,
I just miked the new ones I am going to install and got 1.748 for pin and 1.770 for bushing ID. Note that the bushing is not installed yet. Clearance of .022 and I am told to NOT lube it as that would only attract dirt.

Ike

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Ken from Pa.

09-25-2007 22:07:48

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Re: Axle center Pin Bushing in reply to russb, 09-25-2007 21:43:32

I didn't do any miking when I installed mine But of course I got mine elsewhere .Is the bushing sloppy or the pin ? There's a guy named Don B over on the ntractor forum that could mike on of his for ya .Sorry I can't help ya more . God bless, Ken

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Dave H

09-26-2007 05:13:29

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Where is the ntractor forum? in reply to Ken from Pa., 09-25-2007 22:07:48

I did a search for the ntractor fourm and did not come up with anything. If that is another n site that I can paruse that this refers to

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TheOldHokie

09-26-2007 05:17:07

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Re: Where is the ntractor forum? in reply to Dave H, 09-26-2007 05:13:29

Dave H said: (quoted from post at 05:13:29 09/26/07) I did a search for the ntractor fourm and did not come up with anything. If that is another n site that I can paruse that this refers to

Another "competing" forum that is persona nongrata in posts here - their url is filtered:

www.ntraKtorclub.com

You get the idea

TOH

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kEN Crisman

09-26-2007 17:31:31

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Re: Where is the ntractor forum? in reply to TheOldHokie, 09-26-2007 05:17:07

Dave , did ya figure out old hokies site puzzle for the ntractor site yet ? Let me know . God bless, Ken

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russb

09-25-2007 22:27:13

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Re: Axle center Pin Bushing in reply to Ken from Pa., 09-25-2007 22:07:48

Another thought, I can mike my old pin when I get it out. There appears to be an area that doesn't wear.

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russb

09-25-2007 22:24:31

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Re: Axle center Pin Bushing in reply to Ken from Pa., 09-25-2007 22:07:48

Thanks Ken, I will try that if this thread fizzles.

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