You can go to them, but I really don't think it's necessary. I've broke both the 3/4" and the 1" spindles. I don't think unless your going to be adding weight to the front (I.E. suitcase weights, loader) you need them.
That said, you can switch to the front axle off a WF. Or, make your own.... Or extrememotorworks.com sells them. If you buy the 1" spindles, you can use the hubs off a Lo-boy, they'll fit. But then your going to have a 5 bolt hub, with some silly looking big tires on it. Most of the guys that do this mod do it to a super. For the bigger machine, it makes sense. On a GT, I wouldn't waste the money for a hub style wheel, or the 1" spindles TBH. Just my
