[Mike C]

My truck is a stepside so a little less room in the wheel well, but I have 275 55 17 on 17 x 9 wheels with 5" backspacing. They fit well on the truck but I have the rear end blown apart so I haven't driven it yet, but with a fleetside you should have a TON of room for a much bigger tire than the 275. I have a leafspring truck with axle flip so about 6 1/2" lowering.

edit: the reason the rear is apart is I swapped in a '71-'72 wider axle because the 5" backspacing would not work with that wheel/tire combo on a stepside otherwise.


On the front I have 2 1/2" spindles, 2" springs and 235 55 17 on 17 x 8 with 4 1/2" backspacing.