I haven't quite figured out that part yet.
I was planning on sealing up an old needle valve to block the old inlet
- thinking about epoxy, but soldering is probably better.
I tried twisting the old inlet tube (actually on a carb I 'm not using)
but was not able to get it to budge yet. So, I am not sure what I am
doing with it yet.
Roger
On 10/25/2020 9:17 PM, greg wrote:
> Did you reuse the inlet tube? It looks like it is simply pressed into a
> reamed 1\4 inch hole.
> An old needle valve ( soldered shut) will blank off the original opening.
>
> Greg G.
>
> On Oct 25, 2020 11:56 AM, Roger Elliott <elliottr@rmi.net> wrote:
>> Thanks Greg and Mike,
>> I bought a set of M11 1.5 taps (taper, plug and bottom).  They worked
>> perfectly for the needle valve. I am glad I got the set. I started with
>> the taper, but used the bottom tap to finish up.
>>
>> So, M11 1.5 is the ticket.
>>
>> Thanks again guys.
>>
>> Roger
>>
>> On 10/21/2020 8:19 PM, Michael Marr wrote:
>>> 10.8 mm is within the tolerance for the major diameter of an M11 thread
>>> (Max-10.968 mm, Min-10.732 mm), so that may well be what you have.
>>>
>>> Mike
>>>
>>> Michael J Marr, P.E., CEng.
>>> Albion Technical Services
>>> W5918 Hackbarth Rd
>>> Fort Atkinson, WI 53538
>>>
>>> Cell:Â 630-202-0065
>>> Email:Â mmarr@albiontechnical.com
>>>
>>> -----Original Message-----
>>> From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of Greg Gelhar
>>> Sent: Wednesday, October 21, 2020 7:48 PM
>>> To: 'Roger Elliott' <elliottr@rmi.net>; triumphs@autox.team.net
>>> Subject: Re: [TR] Thread of Stromberg 175 Needle valve
>>>
>>> A machine job shop with thread milling capabilities could do the work. No
>>> idea what they would charge. I don't have access to a thread micrometer, so
>>> that thread might even be M11 x 1.5 at least that size is on some charts.
>>>
>>> -----Original Message-----
>>> From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of Roger Elliott
>>> Sent: Wednesday, October 21, 2020 3:03 PM
>>> To: triumphs@autox.team.net
>>> Subject: Re: [TR] Thread of Stromberg 175 Needle valve
>>>
>>> Thanks Greg,
>>>
>>> Sounds like finding a tap for that is out of the question.
>>>
>>> I know I read a post somewhere about someone changing the inlet side for a
>>> triple carb set-up, but I have not been able to find it again.
>>>
>>> Roger
>>>
>>> On 10/20/2020 3:52 PM, Greg Gelhar wrote:
>>>> This could be one of those times where a manufacturer uses a
>>>> proprietary
>>> thread size. I measure that thread to be   M10.8 x 1.5   an odd
>>> ball for
>>> sure.
>>>> Greg G,
>>>> Osseo, MN
>>>>
>>>> -----Original Message-----
>>>> From: Triumphs <triumphs-bounces@autox.team.net> On Behalf Of Roger
>>>> Elliott
>>>> Sent: Tuesday, October 20, 2020 2:05 PM
>>>> To: triumphs@autox.team.net
>>>> Subject: [TR] Thread of Stromberg 175 Needle valve
>>>>
>>>> Hi,
>>>> I would like to change the side that the fuel inlet comes in on a
>>> Stromberg 175 CD-2. It looks like it will be real easy to do, but the
>>> threads on the needle valve don't seem to match anything in my tap set.
>>>> Does anybody know what the thread is on the needle valves?
>>>>
>>>> I know I could get a different carb body, but I am trying to avoid that.
>>>>
>>>> Thanks,
>>>> Roger Elliott
>>>>
>>>> ** triumphs@autox.team.net **
>>>>
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