All the 117’s I’ve owned had the gallon markers in the inside and attach to a ring that spreads out against the cylinder. Some 117’s had the solder tab markers on outside and all the 17’s I’ve seen and owned had the solder tab markers on outside.
I asked about these internal markers years ago to my good friend Miles Little. As most of you know, he keeps about a dozen or so Fry 17’s and 117’s on hand all the time. I looked at literally trailers full of them at his place on many different occasions. Almost always, about 9 out of 10 Fry 117’s have the internal gallon markers. Miles showed me that if a 117 has the 2 piece top that it will always have the internal markers. That’s how you could get to them and tighten the internal retainer band. The external marker pumps always had the one piece top.
Last edited by 57-Chevy; Fri Dec 22 2017 01:29 PM.