Mine is also triangular and I have a 3/4 ton. I thought the 1/2 ton were the same shape, but I could be wrong. Unless I'm mistaken, I think the Factory Assembly Manual has the different lug spacing distances for the different wheel patterns.
Jeff Nelson
"Beer is proof that God loves us and wants us to be happy." - Benjamin Franklin "Always do right. This will gratify some people and astonish the rest." - Mark Twain
