[TR] Thread of Stromberg 175 Needle valve

[Roger Elliott]

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