Steve Burger

iTrader: (33)

Looks like 285/60/18 has a lot of tire choices. That may be the best route. I have just heard too many bad things about the Goodyear GTII tires to wantto put themon with 20" wheels.

FryZ71

Nitto has their ATs avaialble in 305/50/20 and 305/55/20. Toyo has theirs in those 2 sizes plus 275/60/20.

jow02327

iTrader: (21)

i have a set of 18 mb motoring precise wheels and good year gt eagle II's for sale. the tires measure 285/60r18

cstchevy

go with the nitto's 305/55r20 or 305/50r20

LT305/55 R20 121S 15.6 33.07 12.60 9.0-(9.5)-10.0 3195@65 TBA
*305/50 R20 120S 13.9 32.09 12.20 8.5-(9.5)-11.0 3086@50 647

cstchevy

also I have the Boss 301's on my regular cab and their good wheels but I wish I would have gotten something lighter with less nooks and cranys to clean.

diehardchevy

go with 20's a do some good research on tires and you will be much happier!

maximumrebel1

20's will look better but make sure you get enough tire under there so it doesn't look disproportionate in a 4 wheel drive truck.

graystepside

iTrader: (1)

just make sure you have enough sidewall cuz if you do not, no use for 4wd.

Visionxorb

take a look in these 2 threads, I have pictures of my 2500HD 4x4 on 18s with 325 60 r18 ( 33x13 )

https://ls1tech.com/forums/showthread.php?t=233896
https://ls1tech.com/forums/showthread.php?t=234705

blownZ71

iTrader: (1)

I was going to go with 20 inch wheels with the terra grapplers, but the price of the tires that fit the 20's are over $400 a piece . So I opted for 18 inch Weld Cheynne 6 chrome wheels with the 325/60 Nitto's. I think it looks just right on a Z71. I have seen 36 inch Swampers on 20's and I think it looks good but it does look kind of odd. For day to day use go with 18's, but for show bling factor get some 20's. If you want to lift it real high, you can get 40 inch tires for some 22's