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  1. 94-98 Powertrain
    So I have owned my 2nd gen 5.9l 12v for about 6 years now and it’s done me great. I put 70,000 km on her and got up to about 390,000 and decided to do some gaskets and repairs. (New injectors, Timing cover gasket, oil pan gasket, vacuum pump seal, new steering gearbox and steering shaft), on the...
  2. 89-93 Powertrain
    Who’s rebuilt their injectors with new shims and nozzles and how do you like it? My number 6 injector is slobbering. I can hear an injector knock and the exhaust port on #6 is a little wet. Praying it’s just diesel. Would nozzles and shims bring her back proper or would I be better off with a...
  3. Cummins Conversions, Shop Talk, Tools, Fabrication
    I’ve got a 94 model truck with no engine but all wiring and I’ve got a 98.5 truck with engine and all wiring that was wreck want to put the VP engine in the 94 without P pump conversion want to keep it a Vp fuel system what all is needed as far as dash cluster wiring who has done it. Lookin for...
  4. 94-98 Powertrain
    I'm having problems with my fuel/water separator. Every probably 4 to 6 months mine just starts leaking horribly. I've tried new O-rings and even going to the point of trying enough RTV to fix it. It just keeps coming back the only way I've found to fix it is just get a new filter. Anyone know...
  5. 94-98 Performance Parts Discussion
    I’ve been thinking about doing a compound turbo setup with the turbo I already have (59/80 .84ar turbo) and using a stock hx35 behind it. I’ve heard that the bottom turbo must be bigger than the top. But how much bigger? Would the setup I’m talking about work and if it will how much boost could...
  6. 94-98 Powertrain
    Hey all. 1995 12 valve, 2wd 47RH trans that I just got a fresh rebuild. Installed it and it shifts well but heck I still can’t get the speedo to work. I’ve only gotten 4 branches off my wiring harness on trans, 1) the park/neutral round 3 wire, 2) right above park neutral switch i have the 2...
  7. General Diesel Discussion
    I've got a 1991 bus I bought to convert into a tiny home. It came with a first gen 12 valve 5.9 ve pump cummins. I know it's not the same as the pickup engines due to the gear driven air pump, and the weird intake settup, but it has to be somewhat close, right? Anyway, I'm coming here for some...
  8. Cummins Conversions, Shop Talk, Tools, Fabrication
    So I came across a hell of a deal on a 12 valve out of a 92 d350. I am planning on swapping it into my 99 ram 1500 sport. A issue that I’ve come across is the gauges. Is there any way I could wire a 2nd Gen Cummins instrument cluster to a first Gen motor? If so how would I do that? I’ve seen...
  9. 89-93 Powertrain
    My injection pump has been leaking out of the AFC vent tube for a little while now. From what I know and understand its the plate in the pump that's worn down. My truck has 383000 kilometers and I thought it would last longer than that. Anyways, what I am thinking is I will buy a new pump from...
  10. 911 Urgent Situations
    Hey all, I'm disappointed that this is my first post but I'm in need of my truck and cannot get it to start. I have a 1995 ram 3500 with the 5.9 12 valve cummins. I changed my fuel filter the other day and the WIF sensor that attaches to the bottom of it(filled the filter with fresh diesel)...
  11. 89-93 Powertrain
    Hi guys, while working on the VE pump I took out the Fuel pin with diaphragm and turned the star wheel back to stock. Now that I’m trying to put the Fuel pin with the diaphragm back in it won’t slide down in there flush. Any ideas? Kinda stumped. Thanks in advance!
  12. Cummins Conversions, Shop Talk, Tools, Fabrication
    Hello, I've been doing a little bit of research into doing a Cummins 12 valve swap. Here's the project. 1972 Chevy body, 2nd gen 12 valve Cummins engine, GM ZF 2S-650 transmission mounting up to A NP 261 HD transfer case to a 2001-2007 GMC Frame. I know that there weren't many GM ZF 2s-650...
  13. Cummins Conversions, Shop Talk, Tools, Fabrication
    Does anyone have a complete wiring diagram (PDF?) for a 95-97 Cummins 12 valve from a Dodge? Putting 12 valve in 62 caddy so trying to determine how to re-wire.
  14. 94-98 Powertrain
    Alright guys and gals, I’ve got a 97 2500 12v/ auto. Bought it in January got it home and the FSS went bad, and it wasn’t charging. Trans was strong and shifted fine. After fixing the charging issue and FSS I didn’t not have a tac, cruise obviously and the truck now shifts funny, I have to get...
  15. General Diesel Discussion
    The point of discussion is extending the "Useable Service Life" of the Cummins 5.9/6.7/8.3 classes as FAR as possible. We all know oil is a diesel engine's blood & without oil, more specifically CLEAN oil, it will in time, fail to operate. Most know what ByPass Filtration is intended to...
  16. 94-98 Non-Powertrain
    I have a 1995 2500 12 valve, I pulled the truck out of the garage to wash it, went to start it up after that and it wouldn’t crank over. I have replaced the fuel **** off solenoid relay and the solenoid clicks on when I turn the key. I replaced the neutral safety switch also. I had the starter...
  17. 89-93 Powertrain
    So I have an 89 cummins and I bought it knowing it needed some love. Had a slight knock, not very hard, but noticeable. Also had a white has and when you gave it some, it blew white smoke. So I changed the injectors to ducky fuel injection 5x.012. Well the knock did not go away and neither did...
  18. 94-98 Non-Powertrain
    Flushing the coolant in my 1998 ram 2500 12 valve. I put green coolant in because that’s what we use at the shop (for cars and light pickup trucks). My buddy said your not supposed to use green coolant in deisel engines, what is the recommended coolant? Thanks
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