How to rebuild 12 valve Cummins injectors.

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  • Опубліковано 2 лис 2024

КОМЕНТАРІ • 66

  • @cdpperformance2613
    @cdpperformance2613 3 роки тому +4

    You made them look good honestly I’m
    With you on the cleanup procedure. Just looks a lot nicer then the old rusty looking ones! Even if you don’t see them.

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому +1

      Ya. I think it nice when you open the package

  • @jimkillen1065
    @jimkillen1065 3 роки тому +1

    I appreciate this video. Many years ago in installed a set of 215 injectors in my 160 hp motor . I remember back when guys were installing some injectors out of a 370 hp marine motor but I just wanted mileage and being able to tow .

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому

      They are a bit bigger. So it would of helped for sure

  • @vendetta1306
    @vendetta1306 3 роки тому +3

    I appreciate the explanation, I'm giving my first set of injectors a shot on my own hoping it clears up some smoking issues. So far it looks like there is definitely a lot of carbon buildup and crap on them, not to mention the fact that the last guy put the injectors in 180° in the wrong orientation haha

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому +1

      crazy some poeple

    • @vendetta1306
      @vendetta1306 3 роки тому

      @@CUTTERUPROB Also I got a couple questions. I read online that the torque spec for the nozzles is 28 foot pounds? Also, on cylinder 4 and 6 injectors there is only one shim instead of two like the rest. Should I be concerned? I'm wondering if the last guy lost them? Do the shims just set how far the actual nozzle sticks out into the cylinder? 96 12 Valve 215 hp P pump.

    • @vendetta1306
      @vendetta1306 3 роки тому

      @@CUTTERUPROB You would also make my day if you could tell me what is causing this whirling sound. It's been bugging me for months, on the forums one guy says it's an oil pump gear, and another guy is saying it is the injection pump gear lash. It's more annoying than anything and I know it probably won't hurt the engine. Your videos are my most trusted sources of information at the moment, and I thought it wouldn't hurt to ask. ua-cam.com/video/OiEyQYdZjSk/v-deo.html

  • @timothydare6007
    @timothydare6007 3 роки тому +1

    Well Cutter. Got the injectors back in. Now one leaks around the hold down nut. I’m getting frustrated. Lol. How the f can you get those to stop leaking. Other day there was 3 leaking. Took all apart. Cleaned up the holes. Made sure all the washers were the same. All went back good. Didn’t leak for like 15 minutes of running. Drove home from shop. Open hood and number 3 is leaking. I’m like stomped rite now. What am I doing wrong sir. Thank you for your time and videos.

  • @jacobdicesare2032
    @jacobdicesare2032 3 роки тому +1

    I love how you ignored the disaster you kicked on the floor lol. I would've been cussing.

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому +1

      I was cursing. Just did on camera. I throw all the junk away right after that. I really need a bigger room

    • @jacobdicesare2032
      @jacobdicesare2032 3 роки тому +2

      @@CUTTERUPROB lol I figured. Great videos man. You've helped me a lot.

  • @6literfuelaholic655
    @6literfuelaholic655 10 місяців тому +1

    I juwt bought a set of rebuilt ducky injectors and hate how beat up the bodies are, i have a set of factory injectors in my 12 valve, can i take the internals and swao them to my clean injector bodies? The injectors i bought are 5x12 sac

    • @CUTTERUPROB
      @CUTTERUPROB  10 місяців тому

      You can but you need to check the pop pressure after you do

  • @dieselsquad6521
    @dieselsquad6521 4 місяці тому

    Is there a difference between 7mm intercooled and 9mm non intercooled injector shims? Thanks!

  • @olekatumpe
    @olekatumpe Місяць тому

    great job bro i am inpired. how much do you charge to rebuild them i have a set of 5 for a cummins 6.7 ISB engine. can i send them to you from US?

  • @wetsaltypickle
    @wetsaltypickle Місяць тому

    I like how this pops up after i just installed a set of stage 2 DDP injectors in my VE cummins swapped 68 f250 4x4

  • @johnnytootall9850
    @johnnytootall9850 3 роки тому +1

    great vid where can you get some of them shims from please ie a selection thank you

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому

      thats a hard thing, i buy mine from my bosch dealer and it wasnt a kit

  • @2eyedjack433
    @2eyedjack433 3 роки тому +1

    I still have my injector tips I bought. Video was really helpful as what to do for cleaning them up. I dont have the ultrasonic clean would the carb chem dip work?

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому +1

      Yep. That will work just make sure to get the clean after

  • @michaelcase4877
    @michaelcase4877 2 роки тому +1

    What fluid do you recommend using for my pop tester I’m doing 150hp nozzles on stock bodies. Also what should they pop at ?

    • @CUTTERUPROB
      @CUTTERUPROB  2 роки тому

      I use calibration fluid. But you can you diesel fuel. Depends the setup for a 12v
      Ppump 270-280 is common. But you want them 1 bar with in each other

  • @IHFarmer2007
    @IHFarmer2007 Рік тому +1

    What grit sand paper or lapping stone do you use for the intermediate plate?

  • @itsaRiot
    @itsaRiot 2 роки тому +1

    Very informational! I have an 03 common rail Cummins and I just put injectors in it for the third time (Napa reman) and they are rattling pretty bad. Is the injector nozzle wore out or the body? Or the solenoid on top?

    • @CUTTERUPROB
      @CUTTERUPROB  2 роки тому +1

      Hard to tell. But most of the times with non Bosch remans the specs / parts are no good and that why they rattle

    • @itsaRiot
      @itsaRiot 2 роки тому +1

      @@CUTTERUPROB I figured as much. Thank you for the reply! I look forward to your load Star 1600 build!

  • @cal3b803
    @cal3b803 2 роки тому +1

    How do you set/adjust the pop pressure? Is it mechanical setting off the shims? I’m new to diesels just trying to soak up some knowledge here. Great video thanks for your time rob!

    • @CUTTERUPROB
      @CUTTERUPROB  2 роки тому

      It is. You want more pressure you add shim. Less pull some out. Really very simple

  • @daveyknowlton8030
    @daveyknowlton8030 Рік тому +1

    I've been looking for a video on pop pressures. I don't see one but you said it depends on what your doing, I would be nice to know when one would like lower or higher pop pressures, especially as it relates to black diesel. Thanks. Always enjoy mining your videos for information

    • @CUTTERUPROB
      @CUTTERUPROB  Рік тому +1

      When I get the dyno I will be doing some videos about this. But I like higher pop

    • @daveyknowlton8030
      @daveyknowlton8030 Рік тому

      @@CUTTERUPROB Again I love your videos, and I'm sure you will mention it but do you need to advance the timing a bit for higher pressures?

  • @timothydare6007
    @timothydare6007 3 роки тому +1

    So I took my stock injectors and took them apart and cleaned up real good. Curious as to why the nozzles are bad. What makes them bad. The nozzle holes get clogged? They all sprayed good. I installed them into truck. Ran good. Just 2 of them were leaking around hold down nut. I’m gona take apart this morning. I did go with a smaller washer. Maybe that’s why it’s leaking. Learning as I go along basically. Truck smoked so I put new valve seals in and new springs. Runs great. No smoke at all. So that’s fixed. But damn injector was leaking. So after that fix she good to go.

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому

      The seat and pintle get worn and leak. Also the pop pressure gets lower as they wear. On the leak. Make sure the bore in the head is clean and add 10foot pounds to the nozzle but torque

  • @danieljacobsen7196
    @danieljacobsen7196 3 роки тому +1

    What would cause a injector to not pop? Let's say you rebuilt a set of injectors with new nozzles and some didn't pop, what would you look at?

  • @phonypony5.0
    @phonypony5.0 2 роки тому +1

    This might be a dumb question but can you explain the injector HP ...is that 90hp over stock ? How does that work ?

    • @CUTTERUPROB
      @CUTTERUPROB  2 роки тому

      it's all about flow of the injector, do it as lets say 50hp injectors really is a bad way as it depends on alot of diff stuff on the power level

  • @algorithmscollide8489
    @algorithmscollide8489 Рік тому +1

    Do first gen and second gen have similar injectors?

    • @CUTTERUPROB
      @CUTTERUPROB  Рік тому

      Yep. The ve ( first gen ) has 12mm thread on top and the ppump has 14mm on top and a different pop pressure

  • @Turkeydinner
    @Turkeydinner 3 роки тому +1

    Nice Tim Horton's cup in the background. Hehhehe
    Great vid, Rob! I'm doing my 93 12valve's injectors (first timer) in Nelson, BC. I'm too poor to buy new ones. I'd try to buy just the nozzle if I can get a good deal anywhere. If I can't afford nozzles, you think I'll be able to get the old ones clean? Got any tricks to getting the old nozzles clean?
    Thanks again, dood!

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому

      can clean them up , but unless you have a pop tester hard to tell if there good or not

    • @Turkeydinner
      @Turkeydinner 3 роки тому

      @@CUTTERUPROB just bought a popper. I'm going to try to use diesel as a fluid. I'm assuming that'd skew the expected pop values a bit. I'm hoping that as long as they're all the same value and all have a good pattern that I'll be more or less okay. What do you think?

  • @timothydare6007
    @timothydare6007 3 роки тому +1

    By the way what torque did you run on those? I check these forums out and there are so many different answers when it comes to torque specs. I’ve been writing them down. So the stock injectors are a 260 bar and those 150HP ones I told you about are 262 bar. But I did notice a bigger spray pattern in the ones I bought over the stock ones for sure. Also do you know what would cause them to leak in and around the hold down. What torque spec do you put those at. I heard like 45 but some people have ran them down more to stop it leaking. I could ask all kinds of questions lol. Thanks again buddy.

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому +1

      Nut nut 37 hold down I do 55. You should see a lot more fuel in the 150s. Pressure change is normal

    • @timothydare6007
      @timothydare6007 3 роки тому

      Ok at first time I torqued to 45. And 3 leaked. I did today at 50 lbs and one was leaking. Thank you for responding. Sense I had the injector lines off I went ahead and put the DV’s in to. But guess I ll take the lines off again tomorrow. I ll torque them down to 55. And take the one that is leaking and clean the bore out a little more. I pray this works. Thank you again. Look fwd to your videos.

  • @jpop2499
    @jpop2499 3 роки тому +1

    So towards the end of the video, you mentioned cross flow leakage. What is an acceptable amount? Your gauge was showing some leaking as the pressure was dropping. I have that same pop tester, but never realized how many times you could pop the injector just rotating the knob. Mine is hard to turn, but then I use diesel fuel, not the calibration oil. Enjoyed the video!

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому

      If you have cross leaks it will come out the return. As for the leak down my tester now that I have start using it all the time has got a internal leak I have to fix.

  • @etiennegignac
    @etiennegignac 3 роки тому +1

    I've always wondered, when you say 90hp injectors, what does that refer to? Hp rating of one injector? So multiplied by 6 would be a 450hp engine?

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому +1

      90hp over stock on the engine horse power but it's not really the greatest way to rate them. working on that

  • @terrycameron1897
    @terrycameron1897 2 роки тому +1

    Where is your shop located

  • @jesserasso1042
    @jesserasso1042 3 роки тому +1

    Good video

  • @elroyelblander6277
    @elroyelblander6277 3 роки тому +1

    👍👍

  • @shockashoota
    @shockashoota 3 роки тому +4

    I’m sure you’ve been doing it forever now , but you wanna keep the brake clean off your hands man . Those solvents are nasty .

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому +6

      Ya when I am doing them all day. I have gloves on. I think I run on coffee / brake clean and diesel lol

  • @godspowerobiajulu8547
    @godspowerobiajulu8547 3 роки тому +1

    Please Sir, this is my job and like you to help me to work in your office, I can do it very very parfait please Sir.

  • @bigmurph1447
    @bigmurph1447 3 роки тому +1

    Check out diesel auto power for ur injectors

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому

      I but all more parts from the same company and only use bosch stuff

  • @sorehair7075
    @sorehair7075 3 роки тому +1

    just purchased and installed some new reman'd 5x.012 sac injectors in my 12 valve. One of them is leaking back up through the hold down nut. What would cause this? Ive moved it from No.3 cyl to No.2 and so on to make sure it is this particular injector. Was it not rebuilt correctly ? Cap not torqued correctly. If so what should it be? Where could it be leaking from? Thanks for any advice!

    • @CUTTERUPROB
      @CUTTERUPROB  3 роки тому

      could be nozzle nut leakage for a few reasons.