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Project: The New CDD Shop Truck

Discussion in '6.9L IH & 7.3L IDI Diesels' started by Thewespaul, May 15, 2018.

  1. nostrokes

    nostrokes Full Access Member

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    Isn't that the way it always goes??? Make one purty then have to scrub the dickens out of the other so they don't clash...
     
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  2. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    Much better 36504248-3D99-4BD8-8734-BA53D58E501D.jpeg
     
  3. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    Hard parts done. New slave going in then just putting harness back on and putting the front end back together 84CEB772-6EC8-4AAF-80C4-2195D785D8ED.jpeg
     
  4. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    We have oil pressure. I’m out of time so gonna try finish it up and start driving it tomorrow.

    386BDF47-CF9C-4F68-B2C9-290728FD191C.jpeg
     
  5. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    She’s a runner
     
  6. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    This looks like it belongs right here. DD8F4F92-3BB3-4596-82D9-35ED68B1F89A.jpeg
     
  7. 79jasper

    79jasper Chickenhawk

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    Haha should work well there.

    Sent from my SM-G892A using Tapatalk
     
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  8. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    Well just got back from the first test drive. With the wastegate unhooked and my big pump on I saw 24 psi at something above 80 mph. Feels real nice, haven’t timed it but it needs advancing for sure, it’s pretty laggy off the line. Videos to come hopefully tomorrow
     
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  9. saburai

    saburai Supporting Member Supporting Member

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    Wow, 24psi. Mr. Conservative :rolleyes:
     
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  10. Rossroams

    Rossroams Full Access Member

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    24 PSI?!? What type of pump are you running?!
     
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  11. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    It’s my own pump, it’s actually meant for project jerry but that truck doesn’t have an engine in it yet. It’s still a db2 with some port work done and a stage three leaf spring, it’s the first time for me doing this much work to a db2 without going to a db4 hybrid so I’m happy to see it’s working well because 8 cylinder db4s are rare and expensive these days.

    I hot wired the cold advance solenoid and got 27 psi. Sorry for the poor quality its a screenshot from a video.
    B0085BE4-7176-47ED-B5ED-79EC96C22469.jpeg
    24 psi is the least this truck will ever make, I built it to handle the boost, we’ll see how the bottom end holds up. I’ll get the drive pressure gauge setup soon and see what I’m reading there.
     
    Last edited: May 27, 2018
  12. My 90 oil burner

    My 90 oil burner Full Access Member

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    Sweet.
    I hope mine fires up when I get done in about 2020
     
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  13. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    F424F9C9-B593-4EB0-8E1B-5A9BE2567037.jpeg Put 100 miles on it today in some mixed stop and go driving just running errands. Going to do its first oil change then turn it up this week. Everything is working great it definitely picked up some power since first driving it, I think I’ve got a bit of a boost leak so I’ll be investigating that. Also have a small coolant leak from the lower radiator hose, so gonna try changing the clamp, vacuum pump is weak so gonna swap the pump over from the old engine.

    Here’s some pics of the quick and dirty 3” downpipe, not true 3” all the way because I didn’t cut up the turbo outlet but much better than stock.
    7DB32E77-9B25-49DC-AEA3-D481B38F8B57.jpeg
    Formed up the drive pressure gauge while I had the engine out 7ACB26FB-2B53-457C-9DE7-BB0FC6B5A824.jpeg
     
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  14. 79jasper

    79jasper Chickenhawk

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    Are you running a isolator on that back pressure gauge? Or at least a filter?
    Seen some have issues with soot clogging up the gauge.

    Sent from my SM-G892A using Tapatalk
     
  15. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    I’ll have a filter where it goes from copper to the nylon hose, haven’t had much issues with that setup
     

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