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  1. K

    Lb7 new to duramax in stl

    The truck has a slightly rough idle I tried to do a relative compression test And it keeps failing the Idle want to stay consistent enough to run the test I all so don't get that good of mpg and at full throttle I get some white smoke. I have to fill the coolant every 6 months or so which I...
  2. K

    Lb7 new to duramax in stl

    Do you have contact info for them? Could a cp3 pump cause injector balance numbers Like 1.-1.8 2.1.1 3.2.3 4.1.3 5.0.9 6.2.9 7.-3.7 8.-3.4 I'm thinking it needs injectors but being new to diesels I'm open To any suggestions. I got the balance rates from my solus ultra.
  3. K

    Lb7 new to duramax in stl

    Hi all I'm new to diesels and to online stuff like this! where is the best place to get lb7 injectors In stl I don't want to drop a lot of cash but I all so Don't want junk.
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