[Healeys] Tie Rod End Slotted Nuts
Michael Salter
michaelsalter at gmail.com
Sat Jan 4 10:22:38 MST 2020
Charlie,
Further to my previous post I may have more information.
I have come across, in my "DO NOT USE" box a "cheapo repo" Healey side rod
sold by A H Spares under STG215 and Moss Motors under 667-550. (Don't get
me started !)
This part has weird threads on the rod ends. They are 11.96 mm in diameter
and appear to be 1.5 mm pitch. That's a 12mm fine thread.
M
On Sat, Jan 4, 2020 at 11:53 AM Michael Salter <michaelsalter at gmail.com>
wrote:
> Hi again Charlie,
> In your original request you said that the tie rod ends were the originals
> for your BN1.
> I have checked an NOS BN2 tie rod end and when I measure the 7/16" thread
> it is 0.433" (10.98 mm) diameter and the thread is exactly 20 T.P.I. This
> is a U.N.F. thread.
> A used early BN1 tie rod end thread is 0.435" (11.49 mm) in diameter and
> and the thread is exactly 18 T.P.I. This is a B.S.F. thread.
> The original tie rod ends on earlier BN1's were an adjustable type wherein
> a split pin could be removed and the slotted cap rotated for adjustment.
> After car C.# 157624 the tie rod ends were still B.S.F. but changed to a
> non-adjustable type wherein the threaded cap was locked by swaging and was
> not designed to be adjusted.
> If the tie rod ends that you are dealing with are unlike either of these
> then they are almost certainly not "original".
> If your thread count is 15 T.P.I. it is obviously neither of those and
> those tie rod ends probably fall into the "cheapo repo" category and the
> thread could be anything that the manufacturer could find.
>
> M
>
>
>
> On Sat, Jan 4, 2020 at 10:52 AM Charles Schott <schottc at knology.net>
> wrote:
>
>> The thread count appears to be 15 TPI. I have a 14 and a 16 TPI gage and
>> it's between those two. Since a 12M X 1.5 die runs all the way down the
>> threads, albeit loosely, and a 10M X 1.5 tap goes all the way through the
>> slotted nut, again very loose, I think that it's metric. The diameter
>> measures 10.97 MM with calipers and converted. I have not been able to find
>> a 11M X 1.5 nut, let alone a slotted one. I have three of them but need
>> three more.
>>
>> Regards,
>>
>> Charlie
>>
>> ------------------------------
>> *From: *"Harold Manifold" <manifold at telus.net>
>> *To: *"Charles Schott" <schottc at knology.net>, "Michael Salter" <
>> michaelsalter at gmail.com>
>> *Cc: *"Healeys" <healeys at autox.team.net>
>> *Sent: *Friday, January 3, 2020 6:27:29 PM
>> *Subject: *RE: [Healeys] Tie Rod End Slotted Nuts
>>
>> Charles,
>>
>> What is the thread per inch count and the major thread diameter of the
>> ball joint (measure with a vernier or micrometer)?
>>
>> ------------------------------
>> *From:* Healeys [mailto:healeys-bounces at autox.team.net] *On Behalf Of *Charles
>> Schott
>> *Sent:* Friday, January 03, 2020 3:36 PM
>> *To:* Michael Salter
>> *Cc:* Healeys
>> *Subject:* Re: [Healeys] Tie Rod End Slotted Nuts
>>
>> My car is CE# 226706 and I have a limited set of BSF taps and dies and
>> none of them come close.
>>
>> The 12M X 1.5 die goes loosely all the way down over the stud threads.
>> When I measure the diameter of the stud threads, they measure 10.97 mm. You
>> tell me what I have.
>>
>> Regards,
>>
>> Charlie
>>
>> ------------------------------
>> *From: *"Michael Salter" <michaelsalter at gmail.com>
>> *To: *"Charles Schott" <schottc at knology.net>
>> *Cc: *"Michael MacLean" <rrengineer.mike at att.net>, "Healeys" <
>> healeys at autox.team.net>
>> *Sent: *Friday, January 3, 2020 3:32:01 PM
>> *Subject: *Re: [Healeys] Tie Rod End Slotted Nuts
>>
>> Charlie,
>> If your car is prior to C.E.#228931 the castellated nuts for the original
>> side and center rod ends will be part #2K3996 which I think is 7/16" BSF,
>> (I don't have one to hand to check) however many of these ball joints have
>> been replaced with the later UNF style over the years and they use FNZ307
>> 7/16" UNF.
>>
>> M
>>
>>
>>
>>
>> On Fri, Jan 3, 2020 at 4:09 PM Charles Schott <schottc at knology.net>
>> wrote:
>>
>>> I need three slotted nuts for the original tie rod ends on a BN1. They
>>> appear to be metric 11M X 1.5 but I cannot find them. Does anyone have them
>>> or know where I can get them? Thanks.
>>>
>>> Regards,
>>>
>>> Charlie
>>>
>>> ------------------------------
>>>
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