Are a tr3 and tr4 radiators the same or very late tr3s different ? I dug out this old radiator out to use without the crank hole, but the top hose outlet is higher. I cannot tell if it is aftermarket or what. The tanks are different from a tr3 and do not have the indents in the metal for rigged strength. It looks like I could maybe flip around the thermostat housing nipple from the bottom position to the top and maybe they will line up better.
steve
steve