3 spd steel rim not seating tire properly
Picked up an old Sears Austrian (Steyr) 3 speed for use as a short distance hauler. All is well except the new tires will not seat properly. Using Kenda Gumwalls, 37x590. Size of rims was verified using info from Sheldon Brown and rims are 590 mm. Tried soap, easing up on pressure will manipulation of tire, but no good. Tires will not pop out properly even at 100 psi. Tires were new, bought at swap meet with original tag still attached. Are there any tire that seat better on old steel rims?