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  1. NMChemEng

    Finally Found A Remanufactured Engine!

    So, the motor is in and Jeep is working. The shop took 2 weeks cause to swap the motor once it arrived from AutoZone (the motor getting delivered to the shop is another story). On top of that the shop had to source a used intake manifold and new oil pump drive. As they were taking parts off the...
  2. NMChemEng

    Finally Found A Remanufactured Engine!

    Last year I talked to a couple repair shops near me. Non of them have the techs in their bullpen that can handle an engine rebuild. There are not too many good machine shops near me that can do the machining required. I remember as a kid in the 70/80’s the machine shops were all over Southern...
  3. NMChemEng

    Finally Found A Remanufactured Engine!

    Sorry man. I feel your pain. Once they get the head off, the mechanic should be able to tell them what failed and then they should replace it.
  4. NMChemEng

    Finally Found A Remanufactured Engine!

    Got word today that ATK will replace the motor. Yesterday the mechanic and I could visibly see that the lobes on the cam for cyl #5 were damage and one of the lifters was dished and even worn through. Motor oil has visible flecks of metal. Cyl #5 has much greater coke deposits than the rest...
  5. NMChemEng

    Finally Found A Remanufactured Engine!

    I bought an ATK 4.0 from Autozone in March of 2023. Today, less than 10K miles and it is trashed. Rockers are making a hell of a racket at cylinder #5. Metal shavings on the #5 cylinder head, #5 cylinder head rod has scoring, mis fires in multiple cylinders, and loss of compression in 3...