http://www.classiccarautoparts.com/index.html The main problem I see with the 55-7 Chevy tank is the location of the sender. Ours won't work there on side and no provision on top for one without cutting a hole.. Also looked at a couple of the universal tanks and while size workable, looks like the inlet wrong (on those I looked at). Not quite following on the upside down T. One advantage of the Ford tank with a top fill would be no need for a vent.
I remember the poster with that Chevy setup and while tank fit, believe he was trying to use a GM sender -- I think because the outlet was thru the sender assy, he was using the complete setup and asking for info on gauges. The GM sender won't work with our gauges & nothing with the right ohm range & orientation I'm aware of will fit that hole unless possibly going the universal route from JC Whitney. Believe most GM pickup & outlets thru the sender unit so that might not work either. If a top hole were cut and our sender replaced by a screw on Ford sender, would still need some kind of pickup arangement out of the side hole but maybe just using their pickup assy with an additional top sender workable. Would be a little concerned about just cutting a hole though. Would have to have some kind of reinforcement.
As an aside, for anyone interested & still reading, the website above also looks like it has the Ford senders we need for 51-6 (S-F34)at what appears to be a good price. Turbopackman can tell us if it the right one by year.
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