Stock Wheel Dimensions: Lugs are 5/8"x18TPI. Center hole is 5.5" diameter. Backspacing is 5.5". Width is 6.5 inches. Bolt pattern is 6 lug on a 7.25" spacing.

STOCK RIMS- NO LIFT
900x16 ndt 34"
900x16 Co-Op Grip Spurs 36" 30psi (max50)
Yokohama Geolander M/T 315/75x16. 36" tall.
michelin 1100x16 38" 60psi (max80)
Super Swampers 16/36/12.5 about 35"tall
Super Swampers 38.5x1100x16's boggers 37" slight rubbing
Super Swampers 37x13x16 Boggers just rub the spring at full steer with just a little of the largest lugs.
Super Swampers 38-13x16 TSLs"nubb -nubb-nubb against front leaf spring at full stuff/full cramp, but no hard-hits as of yet.
Buckshot Mudders 305/85R16 (36x11x16)
Buckshot Mudders Q78 16LT

CUSTOM RIMS- NO LIFT
Super swamper SSR 37x12.50's fit great with no rub anywhere Diamond 16x10 wheels w/4.5" backspace.
Gamma Goat 1100x18 NDT's with adapters
NDT 9.00-20 tires on 6X6 riveted rims with alot of work. Rims MUST have rivets removed, be flipped around and reassembled for these to work. Also, the M715 pattern must be drilled into them. They will fit on a stock, non lifted M715. See the Louie715's truck in the Members Gallery for pics of his truck with them on it.

STOCK RIMS- SPRINGOVER

STOCK RIMS- BODY LIFT

DANA60/14 Bolt-NO LIFT
michelin 1100x16 38" 60psi (max80) on 16x7 wheels 3.5" backspace
BFGoodrich All Terrains 35x12.5x16.5 on 16x8 wheels 3.75" backspace

DANA60/14 Bolt-SPRINGOVER
39.5"-15-15 Super Swamper TSLs 15x10 with 3.5" backspacing very slight rubbing of the front tires on the fender edges at full compression and the steering stops need to be adjusted to keep the lugs from rubbing the leaf springs.

2.5 GMC axles - SOA
53" Michelin 16.00x20 with split rims 3" traction lift
42" 1100x20's NDT's on single style deuce wheels fit with virtually no rub and a lot of flex still.
45.5" (395/85-20) Michelin XML's hubs out, 20x10 wheels, 6" back spacing, 45.5"x 15.5" will need considerable fender and front cab corner modifications for steering and articulation.

Note: This thread will be edited to include more information as it is posted.