Try BSPT British Standard Pipe Threads.That is what is on the SU manifolds.
If you are running a hose to it pull the small hose barb from a SU manifold.
keith
In a message dated 4/29/2006 7:36:16 P.M. Pacific Daylight Time,
gboone70@yahoo.com writes:
Hi roadster fans,
Does anyone know the fitting size/type for the ports
on the Solex
manifold? More specifically, I'm inquiring about the
holes on the top
of the manifold that have the threaded plugs. They
are very close to
1/8" NPT but they are slightly smaller.
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