Originally Posted by
coolhandjjl
New Panaracer Gravel King 700cx40 on a Sun CR18 rim. Latex tube, so I’m hesitant to use tire irons. Tried lots of dish soap. I’m even wearing heavy duty gloves. Ready to throw in the towel.

Are you making sure that the tire bead is sitting in the inner channel? With tubes, I always like to finish at the valve.
Also, not sure what dish soap will do except make it more slippery for you. I use that only on tubeless tires without a tube to help the tire seat properly.