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Backspacing for new wheels with 35/12.5s's on a 73 W200
#2075919
05/18/16 04:06 PM
05/18/16 04:06 PM
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Joined: Aug 2004
Posts: 3,310 Walnut Creek, CA
blown340
OP
master
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OP
master
Joined: Aug 2004
Posts: 3,310
Walnut Creek, CA
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Hi All, I'm going to be putting new wheels and tires on my 73 W200 fairly soon. With the lack of availability and price of 16.5 inch tires I'm planning to switch to 17" wheels. I'm going to stick with 35x12.5 tires. The truck has a 4" lift. What do people recommend for backspacing and wheel width?
Thanks, -Jon
70 challenger convertible. 340/5 speed. blown, intercooled, efi, blah blah blah
71 valiant scamp 318/A833OD/AC/PS
00 dakota RC 4.7L 5 spd autoX'r. SRT10/T56 swap in process
73 W200 Power wagon, PTO winch, 4 spd
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Re: Backspacing for new wheels with 35/12.5s's on a 73 W200
[Re: blown340]
#2076278
05/19/16 01:25 AM
05/19/16 01:25 AM
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Joined: Jan 2008
Posts: 3,886 Lost and Spaced
bboogieart
master
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master
Joined: Jan 2008
Posts: 3,886
Lost and Spaced
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With 12.5 wide tires you should have a 10" wide rim. A tape measure will reveal your back space.
Really nice lookin' truck there.
I have mechanical Aptitude. I can screw up anything.
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Re: Backspacing for new wheels with 35/12.5s's on a 73 W200
[Re: blown340]
#2076447
05/19/16 01:01 PM
05/19/16 01:01 PM
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Joined: Jan 2003
Posts: 2,094 central texas
krautrock
top fuel
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top fuel
Joined: Jan 2003
Posts: 2,094
central texas
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i just bought some 17x9 wheels for my 77 w200, haven't put them on yet though. i bought zero offset and they only have a worn out 285/70-17 (~33") on them right now, in the future i might go up to a 34x11" tire.
currnetly the truck has 36.5/12.50-16.5 military bias plies on the original rims most likely and i can't get full lock on the right hand turns.
Last edited by krautrock; 05/19/16 01:02 PM.
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Re: Backspacing for new wheels with 35/12.5s's on a 73 W200
[Re: blown340]
#2076925
05/20/16 02:29 AM
05/20/16 02:29 AM
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Joined: Oct 2011
Posts: 516 ND
dodgedon
mopar
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mopar
Joined: Oct 2011
Posts: 516
ND
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I'm also running 17x9 with a 285 70 17. I have a 4.5" back space. With this set up tires are at the edge of the fenders. They are very close to the rear lip when turning but don't rub. This is on a 85 W350
67 Charger 383 auto 75 Dodge CNT 800 CAT Diesel 2012 Ram Crew cab 5.7 4x4
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Re: Backspacing for new wheels with 35/12.5s's on a 73 W200
[Re: dodgedon]
#2082154
05/29/16 02:47 AM
05/29/16 02:47 AM
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Joined: Aug 2004
Posts: 3,310 Walnut Creek, CA
blown340
OP
master
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OP
master
Joined: Aug 2004
Posts: 3,310
Walnut Creek, CA
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Thanks everyone, I appreciate it. I'll get out the tape measure for sure but the baseline numbers are really helpful!
I'd prefer a 17x10 wheel, but I can't find any steel wheels in larger than a 17x9. Does anyone know a reasonably priced steel 17x10? If not I'm okay running a 17x9. The tire says it needs a 8.5 to 11 inch rim so while not ideal I'm comfortable with the 9.
-Jon
70 challenger convertible. 340/5 speed. blown, intercooled, efi, blah blah blah
71 valiant scamp 318/A833OD/AC/PS
00 dakota RC 4.7L 5 spd autoX'r. SRT10/T56 swap in process
73 W200 Power wagon, PTO winch, 4 spd
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Re: Backspacing for new wheels with 35/12.5s's on a 73 W200
[Re: blown340]
#2094281
06/19/16 02:24 AM
06/19/16 02:24 AM
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Joined: Jan 2003
Posts: 2,094 central texas
krautrock
top fuel
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top fuel
Joined: Jan 2003
Posts: 2,094
central texas
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here is my truck with original wheels and some 36.5x12.50 military bias ply tires... just put some zero offset (17x9) rims with worn out (measure 32" tall) bfg A/T tires on the truck, the tires basically come out to the edge of the fender now instead of being tucked in. the original wheels were 4.1" backspacing and 7.5" wide...
Last edited by krautrock; 06/19/16 02:26 AM.
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