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Hoosier 29x11.50 on Roadrunner fit? #2467237
03/16/18 09:43 AM
03/16/18 09:43 AM
Joined: Jul 2008
Posts: 215
portland, ct
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Since1822 Offline OP
enthusiast
Since1822  Offline OP
enthusiast
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Joined: Jul 2008
Posts: 215
portland, ct
Anyone have any experience fitting a 29x11.50 Hoosier Quick time pro on 8 inch weld wheel with 4.5 inches of backspacing? Car is 68 Roadrunner with superstock springs. It currently has 275/60's on it. Let me know and thanks

Re: Hoosier 29x11.50 on Roadrunner fit? [Re: Since1822] #2467357
03/16/18 03:14 PM
03/16/18 03:14 PM
Joined: Jan 2003
Posts: 20,642
So Near, Yet So Far
topside Offline
Too Many Posts
topside  Offline
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Joined: Jan 2003
Posts: 20,642
So Near, Yet So Far
I think the section width on those on an 8" rim is about 11.8", shouldn't be a problem there, but check your 275s against the front of the wheel opening. You'll need another 1/2" or so for the height difference between a 29" tire and your 275s, which should be about 28". You may need to space the front hangers back from the unibody a little; or pie-cut the opening flange to retain a shorter wheelbase if the car's already modified
I ran 295/50R15s on 15x8, 4.5BS on my '68 Hemi RR and there was plenty of room all around, stock springs & ride height.
Lately I've been messing around with the idea of 29" or 30" Drag Radials with an 11.8" section on a Duster, which requires some opening-up of the front and the top, and a 4.5-5.0 BS, springs moved in 3/4". You have a lot more room.

Re: Hoosier 29x11.50 on Roadrunner fit? [Re: Since1822] #2467439
03/16/18 06:31 PM
03/16/18 06:31 PM
Joined: Aug 2014
Posts: 562
Ohio
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lockjaw-express Offline
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lockjaw-express  Offline
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Joined: Aug 2014
Posts: 562
Ohio
On my 1969 GTX I have BF Goodrich Drag radials that are 295/65R15 on 9” Weld Drag stars that really fill up the wheel well nicely! Oh, and the BS is 4.5”

8” would be too narrow, in my opinion...as I am going with the Hoosier QTP 29/11.5/15’s like you are looking at. On my 1968 Super Bee, the 10” with 4.5” BS would work better. I think, but I already have another 9” set to use.

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