12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

325/70r17

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Old Dec 30, 2013 | 08:40 PM
  #1  
Kbnecessary's Avatar
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From: Central texas
Default 325/70r17

would these fit on the back of my dually with a set of 2 in spacers found a awesome deal on them and thought they would be cool if theyd work I don't tow heavy very often so has anyone tried this
 
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Old Dec 30, 2013 | 09:32 PM
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six speed's Avatar
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From: Oklahoma
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i think these should be about 12.79 inches wide and almost 35 inches tall. i don't think they will fit with 2 inch spacers. i have a friend running 285s with 2 inch spacers and their about as wide as you could get to fit it think.
 
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Old Dec 31, 2013 | 03:48 PM
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4x4manonbroke's Avatar
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you could just go single rear wheel with them until u tow ... then change tires .... thats my plan ... 18's for haulin *** and 265/75/16's for haul grass ....
 
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Old Jan 2, 2014 | 10:26 AM
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I just got a set of 285/70r17
 
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Old Jan 5, 2014 | 03:13 PM
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I have a 94 regular cab dually. 4 in lift and i am running 315 70 16. with a 1 3/4 spacer. But when put on a load my tires touch so i need to go to 2 in spacer. Also remember Stock rims are 6.5 in wide. i have had balancing issues. balancing beads seem to work better then wheel weights on this setup.

---AutoMerged DoublePost---

How did your 16.5 timing help your mpgs. hows your cold weather starting. my timing is 13.5 I think that's stock and I only get 11 mpg. thinking about changing it to help mpgs
 

Last edited by Borrowman32; Jan 5, 2014 at 03:13 PM. Reason: Automerged Doublepost
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