Bryan: If you have fasteners that will hold well in the existing 5 holes you show that line up with the gasket, I think I would use them along with a good appropriate fuel-safe sealer. The flange is starting to resemble Swiss cheese and I would avoid drilling any more holes if possible. If you cannot get the screws to bite well, only then would I drill new holes.
RIch Knowles Indigo. LF38 Halifax NS On 2013-07-11, at 0:16, Bryan Buttigieg <bryanb...@gmail.com> wrote: > Has anyone on the list tried to install a fuel level sending unit in a > non-SAE standard 5 hole flange housing? > > My 1971 C&C 30 has a 20 gal Monel Gas tank. The fuel level sending unit was > not working and very poorly installed. The flange holes on the tank are not > the standard SAE 5 hole. Instead there are 10 holes which are drilled right > though. A standard SAE 5 hole gasket will line up with 5 of the holes, though > the screws required are much smaller than for the SAE standard. (follow the > link below to see pictures). My question is, is there a specific sending unit > still on the market that will match this hole pattern? If not are there any > thoughts on how to ensure a leak free fitting? Should I drill 5 more matching > holes in a standard flange? The collective wisdom and experience of this > group would be most appreciated. > > Pictures of the flange holes and a standard gasket lined up with 5 of the > holes can be found at this link: > https://plus.google.com/photos/118303524002140951082/albums/5899184990232341153?authkey=CPnP5cP1ufSRDA > > > Bryan > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > CnC-List@cnc-list.com
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