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  1. 01-04.5 LB7 Duramax Powertrain
    2003 LB7 YF5 is only building 18 psi max boost according to my Edge CTS 3. This is with a PPE boost valve installed. This seems extremely Low? When you give her the berries it takes foreverrrrrrr to get up and go. Merging onto the highway feels dangerous. I performed a boost leak test today and...
  2. 07.5-10 LMM Duramax Powertrain
    So I’m brand new to owning a diesel and trying to figure this all out. But anyway I bought an 08 LMM with 180K. I replaced the egr valve right away ( had the low flow error and that’s what the mechanic told me to do). But I got the low flow again a month later and cleared it right away and it...
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