I have a 36 gal Ramchareger tank in my 73 W200 along with the original 28 gal saddle tank.
Dang John, I just sold a Ramcharger tank setup and delivered it to the Fling. Had it in the for sale ads for years.

DCP_4324.jpg
72 Satellite Sebring Plus 440, 72 Dart 5.9 4-spd, 68 Valiant, 73 W200, 78 D100 sb, 78 D200, 98 DAKOTA, .
Moparmarks Parts & Restorations
Desert Mopar Metal
Grand Jct. CO
970-261-7039
http://moparmark.com/
motormangj@gmail.com