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Old 11-29-2010, 08:00 PM
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MarkSumpter MarkSumpter is offline
Motorized Bicycle Elite Member
Join Date: Nov 2010
Location: Ohio
Posts: 474
Default Re: Gas tank parts, where to find.

Another source for filler necks and vented caps:

Speedway Motors

I just ordered one for a tank I am getting ready to layup out of Fiberglass. I am thinking this will fit the bill for that application if I punch several holes around the flange to make sure it doesn't break loose in the layers of fiberglass and spin.

I have heard that fiberglass and epoxy resin is reactive to ethanol blends and has in some cases separated. Anyone else have any info on this? What if it is well lined with a non-reactive 2 part liner before use?

I am thinking of either a bung with a knurled flange for the petcock or laying up the fiber tank onto an aluminum base with a welded bung and a formed tunnel and mounting studs welded in place for a through the frame mount. Might make for a nifty reserve if I can find a 2 position fuel valve.
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File Type: jpg cap and neck.jpg (23.7 KB, 60 views)

Last edited by MarkSumpter; 11-29-2010 at 08:05 PM.
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