View Full Version : Which tire size? which tire?

10-23-2006, 01:47 PM
ok truck is an 06 f350 diesel....

currently it only has a 2.5" levelling kit....

im going to go with a pro comp 8" suspension lift

now my stock rims are 20" X 8" wide. what tires would you guys suggest for the stock rim, i really dont wanna change the rim....

but am limited to a narrower tire due to rim width restrictions....

so which tire size could i go with?

whats the biggest tire i can safely put on that rim? and how tall?

i hope someone can help me with my questions...

10-23-2006, 01:55 PM
think i can get away with a 36x13.50-20LT irok?

it recomends a 20X10 " rim, how bad is my center wear gonna be?

10-23-2006, 01:59 PM
there is also the ssr by interco also


but also calls for 10" wide rim, fuck!

10-23-2006, 05:49 PM
I would suggest going to a 18x10 wheel.There are alot more tire options. If you want to stay with your oe rim you might have rubbing issues on the front due the offset of the oe wheel. Also with your oe wheel (20x8) you will wear the center of the tire. At the Ford dealer ship I work at we always put on 18" wheels. We found it to be cheaper in the long run. With the 8" lift you want to put in, a 36" tire might be to small. I would suggest a 37" at the minimum, you might find tha t 38" would fit better. At the end of the conversation its going to be up to you, I'm just giving you my 2 cents.[cheers]

10-23-2006, 06:24 PM
With the wieght of the powerstroke a set of swampers won't last to long but I guess it all depnds on what your gonna do with it[cheers]

10-23-2006, 08:06 PM
pro comp x terrains they make sizes up to 40 for a 20 inch rim

10-23-2006, 10:00 PM
you need a 10ply tire. the 8" pro comp will fit 38's.

10-24-2006, 01:17 AM
i dont have nearly the size truck you have, but I run an 8" wide rim on 12.5" wide tires, and it is fine I don't notice any bad wear, though I would recomend running at a lower on road PSI like if you were suppose to be 35 I would run them at 30-32 to reduce the center wear.

that all being said I think a 37 or 38" tire would look kinda weird only being 12.5" wide...

10-24-2006, 08:30 PM
I'd say i got 33 12.5 and even mine are on 10 inch rims
Go Big or Go home!

10-24-2006, 08:36 PM
go with 49" iroks...those are kill[36]

go really big or go home

10-25-2006, 12:40 AM
i alreay have 33's and i would love 49" iroks... but so impractical for me

10-25-2006, 01:12 AM
i think i might get these for the time being until its lifted properly...

i have a 2.5" levelling kit and says it will clear 35" tires

so im thinking of these.... with a 12.5" work on a 8" wide rim?

Nitto Mud Grappler 35/12.50R20 35" O.D

Product ID : NTMG351250R20

Price: $319.95


10-25-2006, 01:14 AM

10-25-2006, 01:54 AM
just a over priced bling tire ... unless thats what ur into ....

10-25-2006, 08:13 AM
hey, u can fit a 37 with the 6" lift. I am getting a newer f350 this year and will put on a DR 7" and run 37"toyos. As far as a 12.5 wheel on a 8" rim, i have done that combo on too many trucks to count. The BFG is a good option. But 12.5 is the widest they come in. I ran a set of Goodyear MTR's on my lifted superduty dually, they worked great.
Hey post some before and after pics.

oh hey, my dually had 6" rims, with 12.5 tires. The wheels were only 16".

10-25-2006, 12:49 PM
6" rim with a 12.5 tire, holy fuck.

10-25-2006, 02:15 PM
11.00R20 mich xzl and sawzall oh and they are meant for 8.5 to 9 inch wheel. be not afraid of losing ford for tire clearance its ok

10-25-2006, 02:39 PM
^^^ what the hell did you just say? i cant understand you....

10-25-2006, 02:43 PM
oh i get it, custom cut the xzl with a sawzall.... hahahaha no.

10-25-2006, 02:48 PM
and with the 12.5 " mud grappler i can run wheel spacers.... i guess

10-25-2006, 02:53 PM
no it was cut the truck to fit the tire ...... but anyways id sell yr stock junk and go after market rims prob 18" for selection and not worry about it ....

10-25-2006, 07:17 PM
ya, 6" dually wheels. Not much choice on wheels eh. U can use 6" or u can use 6". I was gonna get a set custom made for my dually but decided to get a newer single rear wheel f350.