Great info guys. I think the ridges in my tank were throwing me off gallon wise. I know that I can never get my gauge to be absolute accurate. I also need to look at the manual, I always thought my 3100 had a twenty gallon back seat tank. Phew, these old truck are fun but persnickety but that's all part of the adventure. Thanks, Doc.
Last edited by Doc.Hall; 10/10/2020 1:17 PM. Reason: grammer
