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Old 04-28-2022, 01:11 PM   #1
Southcity
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Wheel and Tire help - 66 4x4 Suburban

Long time board member with very little 4x4 wheel/tire knowledge, please bare with me. Hoping the 4x4 guru's can provide some guidance/recommendations based on the below:

1.Want to run radial over bias ply
2.Want the tall/skinny offroad look (keep wheel/tire inside fender wells)
3.Vehicle is 66 4x4 Suburban (stock height, no lift)
4.Wheels will be new OE style GM truck steelies. Either 15x6 or 15x7 so I can run dogdish caps.

Want the tallest/skinniest radial 4x4 tire I can safely run and try keep that "close to stock" look. Thanks in advance.
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Old 04-28-2022, 01:54 PM   #2
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Re: Wheel and Tire help - 66 4x4 Suburban

Quote:
Originally Posted by Southcity View Post
Long time board member with very little 4x4 wheel/tire knowledge, please bare with me. Hoping the 4x4 guru's can provide some guidance/recommendations based on the below:

1.Want to run radial over bias ply
2.Want the tall/skinny offroad look (keep wheel/tire inside fender wells)
3.Vehicle is 66 4x4 Suburban (stock height, no lift)
4.Wheels will be new OE style GM truck steelies. Either 15x6 or 15x7 so I can run dogdish caps.

Want the tallest/skinniest radial 4x4 tire I can safely run and try keep that "close to stock" look. Thanks in advance.
Assuming 1/2 ton?
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Old 04-28-2022, 02:04 PM   #3
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Re: Wheel and Tire help - 66 4x4 Suburban

Fair question Short 3/4. Vehicle is 66 4x4 Suburban (6 lug) which as I understand it makes it a 1/2 ton. Apologies, I don't yet own the vehicle so am unable to validate.
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Old 04-28-2022, 02:26 PM   #4
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Re: Wheel and Tire help - 66 4x4 Suburban

not sure how bigga tire you can run , but thisll help you with what is what for tire sizes
https://tiresize.com/chart/
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Old 04-29-2022, 02:21 AM   #5
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Re: Wheel and Tire help - 66 4x4 Suburban

I had 35s on my 62. Weren’t tall n skinny but fit just fine. A 255/85/16 is a skinny tire, smidge over 33” I think.
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Old 04-29-2022, 07:17 AM   #6
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Re: Wheel and Tire help - 66 4x4 Suburban

("A 255/85/16 is a skinny tire, smidge over 33” I think.")
b454rat..they are... i have 2 sets of those
but hes wanting 15s
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Old 04-29-2022, 09:11 AM   #7
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Re: Wheel and Tire help - 66 4x4 Suburban

BFG used to make a 235/85r15, probably not anymore. If I had lots of money I would get custom 16" wheels made for the 6 bolt pattern and run the 235/85r16 tire. They may already make those wheels but not cheap.
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Old 04-29-2022, 11:58 AM   #8
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Re: Wheel and Tire help - 66 4x4 Suburban

Appreciate the responses all, thanks. I am taking a slightly different approach and am going to go with a 16x6 wheel rather than 15". It will be a few weeks before I have the vehicle and a few more to obtain the new wheel/tire combo. I will do my best to update with pics here once I get there.
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Old 04-29-2022, 12:10 PM   #9
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Re: Wheel and Tire help - 66 4x4 Suburban

it may be hard to find a taller tire for the 6in wide rim...i wanted the tall/skinny , so i went with 255/85-16s..but i had to step up to a 8in wide rim to run them
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Old 04-29-2022, 12:44 PM   #10
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Re: Wheel and Tire help - 66 4x4 Suburban

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Originally Posted by mongocanfly View Post
it may be hard to find a taller tire for the 6in wide rim...i wanted the tall/skinny , so i went with 255/85-16s..but i had to step up to a 8in wide rim to do run them
Thanks mongocanfly and understood. I am not set on tire size or wheel width yet but do know I am going to go with a 16" wheel. Any chance you can post a pic or two of the wheel/tire setup you mentioned above?
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Old 04-29-2022, 01:02 PM   #11
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Re: Wheel and Tire help - 66 4x4 Suburban

I have always used a 235/85 16 radial and I think it’s a nice stock look on these era trucks, and still fairly easy to drive with manual steering. Have mainly used 70-80’s steel take off rims, but mine always 8 lug, so easier to find.
BTW I just learned that all Suburbans are 1/2 ton, so my first post was kind of redundant.
Have fun with the new project
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Old 04-29-2022, 01:31 PM   #12
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Re: Wheel and Tire help - 66 4x4 Suburban

this is the set with black rims...i have the other set mounted on white rims, ill add a pic of those tonite
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Old 04-29-2022, 01:37 PM   #13
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Re: Wheel and Tire help - 66 4x4 Suburban

Thanks for the pic, that does look good! To confirm the wheel/tire sizes in that pic?
wheel = 16x8
Tire=255/85R16
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Old 04-29-2022, 02:11 PM   #14
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Re: Wheel and Tire help - 66 4x4 Suburban

yep...
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Old 05-01-2022, 07:31 PM   #15
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Re: Wheel and Tire help - 66 4x4 Suburban

For the record, 255/85-16s fit perfectly on 7" wide wheels too. That's what I have (on Ford wheels) on my K20.
Tire Rack shows a recommended rim width of 6.5"-8", and a measured rim width of 7".




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Old 05-01-2022, 07:43 PM   #16
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Re: Wheel and Tire help - 66 4x4 Suburban

I looked for a set of those Ford rims, but never found any
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Old 05-01-2022, 07:49 PM   #17
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Re: Wheel and Tire help - 66 4x4 Suburban

I got lucky, found mine in a junkyard about 6 years ago.
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Old 05-01-2022, 09:50 PM   #18
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Re: Wheel and Tire help - 66 4x4 Suburban

Wernt those rims just on Ford vans?
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Old 05-02-2022, 11:36 AM   #19
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Re: Wheel and Tire help - 66 4x4 Suburban

[QUOTE=Stocker;9073908]For the record, 255/85-16s fit perfectly on 7" wide wheels too. That's what I have (on Ford wheels) on my K20.
Tire Rack shows a recommended rim width of 6.5"-8", and a measured rim width of 7".

Appreciate the info and pics, Stocker. That is one nice truck and a sweet wheel/tire setup.
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Old 05-02-2022, 08:34 PM   #20
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Re: Wheel and Tire help - 66 4x4 Suburban

Quote:
Originally Posted by mongocanfly View Post
Wernt those rims just on Ford vans?
No sir, they were on F250s up until 1996. Ford changed them to a metric bolt pattern in 1997. Van wheels didn't change until later, but I'm not sure which year.



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Appreciate the info and pics, Stocker. That is one nice truck and a sweet wheel/tire setup.
Thanks! It should be out of paint prison soon and I'll post up some fresher pics.
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Old 05-03-2022, 04:08 PM   #21
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Re: Wheel and Tire help - 66 4x4 Suburban

Heres a pic of the set I have mounted on white...really like the way these look
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Old 05-03-2022, 05:08 PM   #22
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Re: Wheel and Tire help - 66 4x4 Suburban

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Originally Posted by mongocanfly View Post
Heres a pic of the set I have mounted on white...really like the way these look
Those look great!!
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Old 09-15-2022, 01:47 PM   #23
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Re: Wheel and Tire help - 66 4x4 Suburban

As promised and thanks to all the board members that chimed in with helpful info. 16x6 smoothies arrived 4 1/2 months after ordering, currently at the powder coater. Next post will be before/after shots.
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Old 09-29-2022, 06:11 PM   #24
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Re: Wheel and Tire help - 66 4x4 Suburban

Before/After shots

Wheels = 16x6 smoothies, powder coated
Tires = 255/85R16 BFG KM3

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AFTER:
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