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balance rates

  1. Random Knock with light throttle

    04.5-05 LLY Duramax Powertrain
    Ok guys I have a lly thats bone stock. 175000 miles on the truck. I have a random knock that sounds like a bad injector. The conditions have to be just right for it to knock. Light throttle and cruising down the road. Even then it doesnt happen all the time but is becoming more frequent. Get on...
  2. Injectors or What???????

    01-04.5 LB7 Duramax Powertrain
    To all, I replaced head gaskets on 2004 LB7 back in August of 2011 and in the process discoverered the injector inlets had grit covering about 3/4 of the holes and i cleaned them out and went on with the job and once finished it had a loss of power but it turned out to be the valves weren't...
  3. Just checked my balance rates...

    01-04.5 LB7 Duramax Powertrain
    hey guys I just checked my balance rates with my Diablo Predator I bought off Ebay and here are the results... #1 -2.85 #2 0.15 #3 -0.32 #4 -1.60 #5 1.49 #6 5.33 #7 0.97 #8 0.48 In drive the #6 cylinder drops down to 4.75. When a little throttle is applied in drive they all go to...
  4. Speractic balance rates. New injectors or hone nozzles?

    01-04.5 LB7 Duramax Powertrain
    I'm giving off blue/white smoke at idle and had a friend check my balance rates with his efi live. 1. -6.5 2. -4 3. 14 4. -0 5. 1.8 6. 1 7. -4.6 8. -4 Filling a new filter up with ATF helped a little but its still there. Running a bottle of stanadyne (bottles says it'd treat...
  5. Checking balance rates with Tech II

    01-04.5 LB7 Duramax Powertrain
    I'm pretty sure that 1 or more of my injectors are going bad, id like to figure out which ones. I have access to a Tech II scan tool but don't know how to check injector balance rates. Just wondering if anyone on here knows how to do this and would be willing to give me some instructions, or...
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