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  1. ZachM54

    Goerend J or K?

    Going to be ordering a new converter soon and can't decide. Running a S467.7/87/.9 that lights at 2400 rpm. I'm guessing a K would probably be better suited for my setup but just wanted to hear some opinions. TIA
  2. ZachM54

    Which Goerend for a GTX4294R?

    Just recently got the new setup road worthy and I can not get on top of the 1078 when on the brakes with the 4294/1.15 ar. Thinking I need to go to the K or J but not sure. Plan on playing with the 4202 as I have the stuff, so hoping one or the other will do a nice job for both turbos. TIA
  3. ZachM54

    Oil feed restrictor for ball bearing turbo?

    Finishing up new gtx4294r setup and curious if I need to be running a restricted oil feed fitting. Been reading that ball bearing turbos tend to like less oil than a journal bearing but I don't have any real experience. Here's an old mockup pic Thanks
  4. ZachM54

    Modified trans tune, range shift inihibited reverse

    I've been chasing this majority of summer. Running Mark's trans tuning to up the shift points and after driving a while and go to reverse it'll just show range shift inhibited. No codes on insight and no check engine lights. There is a P0742 code on the auocal tho. Clear code and then it'll go...
  5. ZachM54

    2005 Gmc 2500hd

    ZachM54 submitted a new Showcase Item: 2005 Gmc 2500hd Read more about this showcase item here...