It's like in carpentry only in the opposite direction. Once you've made a cut there's no adding to the wood, only taking off more. Once you cut your axle there's no making it any shorter. Now having the option of adding a .25" spacer to precisely center the wheel gives it the perfect fit. Do keep us posted.....Maybe you could elaborate your thoughts on going narrower then what he has come up with per his dimensions.. I’m looking a doing an 8.5 in the future and will have to make a similar decision at some point.. I have worked out my wheel and tire sizes based off of the standard 8.2 axle with 57.75” and know what works with that setup.. Having wheels made to my spec is not a huge deal but most aftermarket wheels don’t offer adequate backspacing for 1st gen cars..