Duramax Diesels Forum Truck of the Week
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Old 06-07-2017, 11:45 AM
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TowU4Free TowU4Free is offline
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Default 2015 20x10 -19mm and 33s. Rubbing??

I feel like i did countless research and asking many friends with this body style truck on the subject of these wheels and tires fitting. The wheels are Hostile Havoc 20x10 with a -19mm offset. Tires are 305/55/20 Toyo R/T. I installed the 1in shock extenders and turned the stock keys on up. Even maxing out the stock keys the tires would rub the rear of the fenderwell to much to drive. I did the bumper mod and the front side seems to be ok but i never read about people having issues on the rear of the fender. With the keys maxxed out im about 3/4- 1in from being completely level which is what i prefer anyway but they still were rubbing when we turned the wheel. Any input would be appreciated.
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Old 06-07-2017, 03:02 PM
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Pics of where it rubs? My stock height front clears a 33-12 rt on 20x9 "0" very minor trimming
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Old 06-07-2017, 03:06 PM
N2BRK N2BRK is offline
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turn in that 600hp badge you damned LMM traitor!!!

I have nothing useful to add to this conversation.
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Old 06-07-2017, 03:24 PM
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Quote:
Originally Posted by TowU4Free View Post
I feel like i did countless research and asking many friends with this body style truck on the subject of these wheels and tires fitting. The wheels are Hostile Havoc 20x10 with a -19mm offset. Tires are 305/55/20 Toyo R/T. I installed the 1in shock extenders and turned the stock keys on up. Even maxing out the stock keys the tires would rub the rear of the fenderwell to much to drive. I did the bumper mod and the front side seems to be ok but i never read about people having issues on the rear of the fender. With the keys maxxed out im about 3/4- 1in from being completely level which is what i prefer anyway but they still were rubbing when we turned the wheel. Any input would be appreciated.

not sure if the 15 chevy has the same wheel well as the 16 gmc's or not, but i ran the same wheel with 35's, had to do a little trimming, but i bet a 33 would be pretty close.
i like to look at the gallery on custom offsets page and see what other people have been using and how well it fits.
https://www.customwheeloffset.com/wh...gallery?page=1

edit, there are a few trucks with the setup you want, looks like they all did a little trimming.
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Old 06-07-2017, 03:59 PM
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think your offset is your issue. I'm running 20x9 +18 offset with 305/55/20 nitto terra grapplers on my l5p. just had to space the bumper 3/8 forward
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Old 06-07-2017, 05:49 PM
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I've got a 15 Denali with 20x10 -25 and 305/50s lowered down and have no rubbing issues with bumper spaced and rear fender mod done.
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Old 06-07-2017, 05:56 PM
dmax_ty dmax_ty is offline
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I ran 20x10 Fuel Mavericks which had a -12 offset IIRC. I had them mounted on 295/55/20 Toyo AT IIs and rubbed at the back of the pass. and drivers side fenders.

I cranked the t-bars and shimmed the bumper out .5" to boot.
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