How strange, maybe? As we speak I have both of my TC's steering columns/housing on the bench and both have brass or bronze sleeves. They both have the hole internally to feed the walls oil. They are both about 2,831 cars apart during orignial production. One I purchased in New York City 45 years ago, the other San Francisco. My guess is that the brass/bronze sleeve was most likely a factory standard and not steel, though I cannot speak on behalf of all 10,000 TC's. Possibly no sleeves were used on the earliest models, or none on the late ones when the bean counters said we could save a few pence. Second thought, maybe it would make sense? Bearings are usually steel rubbing against steel, so a sector shaft rubbing against a steel housing wall would seem to be the same as any other bearing? The only real difference, and a plus, is having a bronze sleeve would retain the oil better.
Barry Cook
On Sunday, November 4, 2018 9:07 AM, Duncan morelists@yahoo.com> wrote:
Cannot tell from you post, Barry, if you are aware that there originally was no brass sleeve or bushing installed in the BC housing for the sector shaft? I know of one TC that is driven weekly that still has the original BC unit with no sleeve, and no leak. It does have the modern lip seal fitted.
[b]From:[/b] "Barry Cook
barryc8950@yahoo.com [mg-tabc]" mg-tabc-noreply@yahoogroups.com>
To: Doug Pelton doug@fromtheframeup.com>; "
dr.david.james@gmail.com" dr.david.james@gmail.com>; "
mg-tabc@yahoogroups.com" mg-tabc@yahoogroups.com>
[b]Sent:[/b] Saturday, November 3, 2018 7:00 PM
[b]Subject:[/b] Re: [mg-tabc] Steering Box Oil Seal
McMastercarr has a lip seal that may do the job? Go to Mcmastercarr and enter 5154T56 (item number).Also, I believe none of our suppliers in the states have the brass sleeve for the sector shaft. If worn, check out the following 3" bronze sleeve bearings also from Mcmastercarr.- 6391K11 is Porous Bronze- 2868T174 is Iron and Bronze mix- 6381K11 is Lead and Bronze mixNOTE: Which would be the best alloy sleeve bearing for this application? I am not sure? Any Ideas?
Barry Cook
On Monday, October 22, 2018 8:27 AM, "'Doug Pelton'
doug@fromtheframeup.com [mg-tabc]" mg-tabc-noreply@yahoogroups.com> wrote:
Hi David, Probably are King Pin bushings as they have same ID, . To seal the bottom with a modern lip seal you will have to have it machined to accept seal. Regards, [b][i]Doug Pelton,[/i][/b] Proprietor [b][i]NOTE: New Address[/i][/b]From The Frame Up3030 S. 40th St., Suite 5Phoenix, AZ 85040 480-588-8185For Fastest Service:
order@fromtheframeup.comLike us on FACEBOOK! See us on YouTUBE! www.FromTheFrameUp.com [b]From:[/b]
mg-tabc@yahoogroups.com mg-tabc@yahoogroups.com> [b]On Behalf Of [/b]dr.david.james@gmail..com [mg-tabc]
[b]Sent:[/b] Saturday, October 20, 2018 9:45 AM
[b]To:[/b]
mg-tabc@yahoogroups.com
[b]Subject:[/b] [mg-tabc] Steering Box Oil Seal [1 Attachment] The Bishop Cam steering box on TC4985 has leaked oil since I ve owned the car, some 3 years now. So I keep it topped up with EP140 (GL4). I ve taken off the drop arm in the past to crack test it, but I thought it was time to replace the oil seal. However, when I removed the sector shaft I found that there was no rebate in the box for an oil seal. The sector shaft is running in two bushes that look very much like king pin bushes, since they have a hole in the middle and a spiral groove. With the drop arm fitted, but without the top plate, the sector shaft moves up and down a millimetre or two, perhaps room enough for a felt washer, although I suspect that would not last long. Any suggestions for solving this problem without having a rebate cut in the box? David JamesTC4985West Sussex, UK
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