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Old 04-13-2020, 07:01 PM   #1
rustyrodknocker
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Biggest tires on rear

I'm looking to buy rubber in bulk. What is the largest rubber to have been confirmed on the back of a suburban? I'm specifically looking to go with 33 12.50 15. As in these stepside pics.
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Old 04-13-2020, 08:48 PM   #2
VictoriaHardware
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Re: Biggest tires on rear

With stock sheet metal, 295mm tread width is the limit, IF you get the right wheel offset.
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Old 04-13-2020, 11:59 PM   #3
RockTonka
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Re: Biggest tires on rear

If you want to tub the fenders 4" you can fit 31x16.50R15s in there...
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Old 04-14-2020, 12:11 PM   #4
rustyrodknocker
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Re: Biggest tires on rear

That is a ton of tire. Probably no tubs for me. Im trying to quit welding on this thing.
I would be happy to run a 10.50 but when you get to 33's they are all mud tires. In a 12.50 there are many tires that are regular tread.

I have 275 60 bfg ta's on it now and they were fine but really are a car tire. I want a truck tire and big little look. With 235 75 being little.
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Old 05-10-2020, 09:18 PM   #5
rustyrodknocker
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Re: Biggest tires on rear

33 12.50 is not even in the ball park for the factory wheel well.
My 275 60's measure 28" diameter and 9" of tread with a fair sidewall buldge. Probably 10.5 at widest. I would have to trim the lip to even do a 30 diameter or a 10.5 at the tread.
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Old 06-16-2021, 12:33 AM   #6
LostMy65
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Re: Biggest tires on rear

Couldn't find a thread to post this in.
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