Ed it doesn't really matter as long as it matches there fuel gauge. Hopefully the fuel sender will have the standard bolt pattern?
I've got your custom pick up already made and welded in. Your AN fittings come right off the side of the tank- very cool. ( That idea came from the Calfornia guy!
Tank is now mounted along with the front end-brake lines fuel lines today....
DV
Would take pictures but now my olympus camera took a dump too- geezh, what next!