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

need input from anybody running a dual stack set-up

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Old Dec 13, 2011 | 11:30 PM
  #11  
jdbigblue12v's Avatar
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finished product
 
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Old Dec 14, 2011 | 09:02 AM
  #12  
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looking good makes me miss my truck even more hopefully ill have it on the road sometimes soon.
 
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Old Dec 14, 2011 | 01:27 PM
  #13  
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thank you and why isnt it on the road?
 
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Old Dec 16, 2011 | 01:01 PM
  #14  
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I actually went with tractor stacks from a John Deere 4960 and gutted the baffling out of them and they stick up atleast a foot higher than yours and are turned back and I still get a drone when I got the gooseneck behind me. LOL the wife dont like it but thats ok cause that means I don't have to take her with me anywhere when I drive it. I actually went just behind the crossmember and only cut an inch or two out of it then welded two angle irons on the pipe that sit on the truck bed floor to keep the stacks from getting all the stress of hanging. I also clamped it like the other guys in here mentioned.
 
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Old Dec 16, 2011 | 02:23 PM
  #15  
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JD those look nice on the truck.

Here is my new set, just used stuff laying around the farm, very very deep rumble.


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Old Dec 17, 2011 | 02:14 PM
  #16  
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me an a buddy just but twin 8 inch stacks on his truck we had trouble with the crossmember he just cut it out then cut it and put it back up around the exhaust. it looks really good i will post some pics later
 
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