1st Generation Dodge Cummins 89-93 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with Rotary Injection Pumps

05 wheels on a 1st gen

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Old Apr 13, 2010 | 05:27 PM
  #11  
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So can I run 2nd gen aluminum wheels on my 1st gen 2wd? Any, or what wheels can I run?
 
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Old Apr 13, 2010 | 06:49 PM
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I got those crapy steel ones off a 07 they were free so I cant complain and I ordered 1/8'' spacers from JCwhittny for like 10bucks a piece and I have no problems with them but since your is two wheel drive dont know but yes the2nd gens will fit and you sould have no rubbing problems
 
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Old Apr 13, 2010 | 06:50 PM
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Originally Posted by Billy D
So all I need is the wheel spacers and I can run them? I wanted to run 245/75/16's, can I still run the same with the 17's? If so, will it throw off my speedo?
spacers and larger wheels studs.
 
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Old Apr 14, 2010 | 03:41 AM
  #14  
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You'd need spacers with 2nd gen wheels too. I bought a set for my truck and the inside of the wheel hits the upper control arm
 
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Old Apr 14, 2010 | 09:19 AM
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Originally Posted by Billy D
So can I run 2nd gen aluminum wheels on my 1st gen 2wd? Any, or what wheels can I run?
You can run any wheels that will fit over the calipers with the correct backspace/offset to look right and not rub. Looks is optional.

The stock 1st Gen wheels are 6" wide with zero offset.
 
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Old Apr 14, 2010 | 02:32 PM
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I have 3rd gen wheels on my 91.5 -

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What I learned doing it

Basically, the rear end is easy. You can swap out the 1/2" studs for 9/16" studs. They are a standard D60 style stud with a .625" knurl. The front is where you get screwed. Its an odd ball .723" knurl. And you can't get a 9/16" stud with that knurl. So, you have to either buy a set of adapters that will bolt to the stock 1/2" studs and convert over to 9/16", or you have to redrill the hub and rotor for new studs. We were in a bind so we had them drilled out and put 1/2" spacers between the wheel and rotor. 3/4" would be ideal, but I think the smallest adapter you will find is like 1" or 1 1/4".
 
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Old Apr 16, 2010 | 04:00 PM
  #17  
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1.25" without shaving the studs.
 
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Old Apr 16, 2010 | 05:10 PM
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Originally Posted by 93smoker
I don't think they will work as the stud size on the newer trucks is also larger!
stud size on newer trucks are actually a bit smaller i think 1/2 inch and my 93 has 16mm studs or just a little bit over 5/8 i put 03 rims on mine so i know first hand just fyi

---AutoMerged DoublePost---

Originally Posted by 1993firstgennewbie
stud size on newer trucks are actually a bit smaller i think 1/2 inch and my 93 has 16mm studs or just a little bit over 5/8 i put 03 rims on mine so i know first hand just fyi
all black

or chrome just depends on how im feeling that day i need the center caps tho
 

Last edited by 1993firstgennewbie; Apr 16, 2010 at 05:10 PM. Reason: Automerged Doublepost
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Old Apr 17, 2010 | 08:10 AM
  #19  
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1stGen 1-ton = 9/16, 3/4-ton = 1/2

All 2nd Gen and later are 9/16 stud.
 
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Old Apr 18, 2010 | 02:45 PM
  #20  
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My 1st gen W350 dually has 5/8 studs.
 
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