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  1. 07.5 - 09 3rd Gen 6.7 Liter General Discussion
    Might be a stupid question, but what generation does the 2009 6.7 belong to? 3rd or 4th? Or neither?
  2. 89-93 Powertrain
    I have a 3rd gen parts truck and was wondering if the hubs off it would fit on my 91. I want the long 9/16 studs and want to do the disc brake conversion and if they fit I would be able to make it cheap and easy. Let me know your thoughts, thanks.
  3. 3rd Gen. Performance Parts Discussion
    I was wondering what the udc can do for the smarty s06. I have been reading up on it but I can’t find the answer I’m looking for. What can I adjust with it and can i adjust the fueling/ low boost fueling? Is their any major differences between udc pro and just normal udc? Thanks!
  4. 3rd Gen. Performance Parts Discussion
    I’ve done some work to my truck with more to come and I’m interested to see what kind of numbers some of you guys might think she’s pushing as of now. A little about the truck: 2006 Quad Cab 3500 Dually 8’ bed G56 transmission with Valair street triple disc One piece aluminum drive shaft 22...
  5. 07.5-09 3rd Gen 6.7L Performance Parts Discussion
    I am swapping the G56 into my 2008 2500 6.7 that originally had the 68RFE. The truck has an Industrial crate engine with full emissions delete, and has compound turbos and looks to have had an EFI Live tuner. The truck has an OBD jack on it that leads up to a 5-way switch on the steering...
  6. Tire and Wheel 3rd Gen
    Have a 2006 2500 with 2 in leveling kit. Looking at wheels 22x12 with -44 offset. Should I go with 33x12.5 or can I possibly fit 35? Have 20x19 wheels on 35x11.25 tires now with no rub issues but looking for something new.
  7. 3rd Gen. Powertrain
    Hey I am going to install new rocker arms part#4995602. Do I need to soak them in oil before I install them?
  8. 3rd Gen. Powertrain
    Hey, I have a 03 Cummins that I am rebuilding the top end. I have a new head on the truck and the old bolts for the intake plenum had RTV on them. Do the bolts need thread sealant or O-rings for them? Thanks
  9. 03 - 07 3rd Gen 5.9 Liter General Discussion
    Hey guys my tranny is going out on my truck and want to convert it just for the fun of it. Don’t want to argue about why. I know there are posts all over on this topic but it’s hard to find more specific details for my truck. I have a 2003 quad cab 4x4 short bed. I don’t have any parts yet but...
  10. 3rd Gen. Non-Powertrain
    My 2007 5.9 I purchase a our a year ago with 130k miles on it and over the last year I have come to learn a lot about it. I have learned the heater core was bypasses when it cold down to 10°F which sucked and that the washer fluid bottle was missing? I have this photo of two plugs that one I'm...
  11. 3rd Gen. Powertrain
    On my 07 recently whenever I go to start it in the mornings especially if it's a little cold I get a squealing sound from the front of the engine sounds like it's somewhere from the belts or the the pulleys. I haven't really been able to pinpoint it exactly but once it gets warm you know it kind...
  12. General Diesel Discussion
    I know this will bring out a lot of opinions but I think it’s worth the discussion. I’m currently trying to decide on a new daily driver. I’ve narrowed it down to a holy grail 98 12v with an nv5600 and an 06 with a 6 speed as well. Love that the 06 has 4 real doors and seems like it’d be a hell...
  13. 3rd Gen. Powertrain
    Hello, new to the forum and am looking for some help. I have a 06 cummins with a 48re transmission 168k on the truck . The transmission was rebuilt in 2009 and has a aftermarket torque converter. I bought the truck in September and a few days after the purchase I lost overdrive. I replaced the...
  14. Cummins Conversions, Shop Talk, Tools, Fabrication
    I want to know info on the swap from a 5.7 auto 4x4 to a 5.9 12v 1st gen manual 4x4 motor mounts are they the same as when people use the 1/4 plate for the common rail swaps should I buy a 95 auto to throw behind the 12v or use my manual swap while I’m at it NOTE I do not need advice on your...
  15. 3rd Gen. Powertrain
    II recently bought a 2006 Cummins with a 6 speed. I have noticed that every time I start the truck there is a really unsettling sound. I sort of sounds like the rotating arm ally is hitting some sort of debris and it’s scraping around the bottom end. The weird part is that it is very irregular...
  16. 89-93 Powertrain
    One of our 06 5.9s hit a deer the other week and it looks like its going to be written off. Planning on buying it back as the truck is important to our family. I have a 1991.0 12 valve and I always LOVED the he351 on the late CR 5.9 and would love to have it on my 12 valve. I am assuming I would...
  17. 3rd Gen. Powertrain
    I have a 2004 2500 in the shop with a bad motor. Customer brought in a 98.5 motor to put in it. from just looking at it I can see that the crank sensor is different, what all is needed to support this swap or would it just be better to get the correct motor? any help is appreciated
  18. 07.5 - 09 3rd Gen 6.7L Powertrain
    Ok so I may have messed up. Just changed my oil and went to the store, then got back in my truck and spaced out and forgot to wait to start and turned my key straight to start. Truck had a hard time starting and had a good shake. Then I realized what I just did. Now I know we don’t have glow...
  19. 07.5 - 09 3rd Gen 6.7L Powertrain
    Alright I need some help because I’m bamboozled. I’m still fairly new to diesels and not exactly an expert. But I noticed I can blow quite a big cloud of black smoke when I punch the throttle. But very little or no smoke at all when I ease into the throttle but still accelerating hard. I had 3...
  20. 3rd Gen. Powertrain
    Ive got an 06 5.9 and i was just driving today and the WIF light came on drained fuel filter no sign of water cycled and drained 2 more times still no water. But the actual electrical plug for the WIF sensor was wet ive dried it out as best as I could. But the light is still on! Im lost!?
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