Allen,
The Solex manifold plugs are 1/8" British Standard Pipe thread (thanks
Stan). I got some BSP to American Standard Taper Pipe thread (NPT) adapters
from a Swagelok (http://www.swagelok.com), cost about $2.50 each. They may
have plugs as well. I also found the early Z and SU roadster intake
manifolds have vacuum fittings with the same thread. I have 4 fittings all
tied together with vacuum hose to improve the vacuum signal at low engine
speed (see: http://home.att.net/~jason510/weber.htm). Results are tbd as I'm
still fussing with float level, fuel pressure and jetting.
Note 1/8" BSP (28 threads per inch, 0.412" OD) are almost the same as 1/8"
NPT (27 tpi, 0.405"OD), but different enough to damage that expensive Solex
manifold.
Todd Osborn
68 2L DATSFUN
San Jose, CA
----- Original Message -----
From: <owner-datsun-roadsters@autox.team.net>
To: <datsun-roadsters@autox.team.net>
Sent: Wednesday, May 07, 2003 2:00 PM
Subject: Screw in plugs on Solex intake manifold
> To List,
>
> I need one plug that screws into the Solex intake manifold (there are a
> total of four in the manifold, I have three). I'm not sure what they are
> there for (other than to plug holes, duh, I meant what was originally in
the
> holes?). Does anyone know what size the plugs are? My parts shops in my
> small town are havng a hard time finding them. Any help would be greatly
> appreciated!!
>
> Allen
> 1970 2000 w/Solex's (almost on road but now need one plug!)
>
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