Hy 52vff. I believe your truck should be a Maple Leaf if it is anything larger than a two ton, and it should have Motor wheels on it, the mounting hardware should all be right hand thread. Do all your wheel nuts have a large washer attached to them? What size socket fits the nuts, If memory serves me I think Motor Wheel nuts were 1 3/16", but I can't trust my memory anymore, hope that helps.
