We use a Blazer side filler tank and have a muffler shop bend up a filler tube that runs to a pop up (motorcycle style) gas cap. There is plenty of room in AD rear fenders for the tube. If painted body color the pop up cap is nearly invisible and entire set up takes gas a full nozzle volume.
A 49 getting the Blazer tank:
[img]https://i.postimg.cc/TyNkMCpL/020.jpg[/img]Blazer tank hung with all factory cross members intact;
[img]https://i.postimg.cc/RJLK9ZXs/003.jpg[/img]Filler tube bent up by muffler shop;
[img]https://i.postimg.cc/VJVMzTW8/004.jpg[/img]Pop Up gas cap in driver side rear fendeer:
[img]https://i.postimg.cc/ZvHB2D5X/016.jpg[/img]
