[TR] Thread of Stromberg 175 Needle valve

Roger Elliott elliottr at rmi.net
Wed Oct 21 14:02:46 MDT 2020


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 at autox.team.net> On Behalf Of Roger Elliott
> Sent: Tuesday, October 20, 2020 2:05 PM
> To: triumphs at 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
>
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