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Project Big Blue

Discussion in '6.9L IH & 7.3L IDI Diesels' started by Thewespaul, Dec 8, 2019.

  1. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    I don’t think so, talk to the guys at super stick transmission out of Austin, they build some awesome ZFs for street performance and pulling competitions.
     
  2. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    The hopped up idit pump that was just replaced by the 110 is up for grabs for anyone looking for a cheap upgrade with less than 30k miles since the rebuild, below is the pump and the build sheet with the parts that went into the rebuild 09/26/11 including a new head and rotor. Like to get $550 for it shipped.

    5C1DE04B-D563-402E-B375-72CB02772D27.jpeg 7F67FEF1-95FF-48DA-AF69-30F751433D1E.jpeg
     
  3. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    Got the trans pulled, took the tailhousing off and couldn’t find anything wrong. Stuck a spare input shaft into the torque converter and it sounds like a bucket of bolts spinning around, so trans seems fine it was the torque converter that exploded.
     
  4. chillman88

    chillman88 Supporting Member Supporting Member

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    So slightly related note, not meaning to threadjack. Is that input shaft supposed to just slip out of the transmission? I had that happen on one I have here while I was tipping it up to drain it and was not expecting that.
     
  5. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    They slide out yes, this one is a C6 shaft I had on hand from another trans
     
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  6. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    With the torque converter and transmission getting upgraded we have started looking at the rest of the driveline for potential failures and decided to upgrade a few things in the meantime. Today the first of those upgrades showed up, an Eaton truetrac for the 10.25.
    527EF4C0-F707-4DD4-A6E4-B61391E30ACF.jpeg
    Earlier this week I took the stock two piece driveshaft out to driveshaft specialists and they will be building a single piece 5” driveshaft to handle all the power and weight this truck will put through it, once the trans is here I’ll just confirm some measurements and they can build it next day, unless I get some time to reinstall the stock trans in the meantime.

    Exhaust is now installed and came out pretty nice. It’s a 4” from the trans back no muffler with my 3” downpipe. Had to remove the passenger side mud flap, going to need to remount it a bit further back to clear. 1B6F0803-BBE9-4985-A865-C7E7109318E1.jpeg
    1697852D-9A99-4D91-BFE8-6134873864C5.jpeg

    EF5A88CE-2D31-4EC4-8BD7-2656BBB3587C.jpeg
     
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  7. IDIBRONCO

    IDIBRONCO IDIBRONCO

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    That looks like what I'm going to do with mine.
     
  8. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    The other day I got the rear end pulled apart, taking measurements on the gear back lash and wear marks on the factory gear. Interesting that this one had a tag for limited slip but has an open carrier.

    327F7C7C-EC05-4296-8D24-239BC8EFC763.jpeg

    While I had the axles and carrier out everything got a good degreasing.

    23A379F9-ED3D-4AE8-89C0-44CA6BD8D49E.jpeg

    Cleaned up the factory 3.55 ring and installed it on the Eaton with the original tone ring, I ordered a bearing kit from Yukon since the Eaton surprisingly didn’t come with bearings, and pressed those on to the new carrier.

    0AE705E8-8D3D-4835-A1F5-86846A0212BA.jpeg

    Using new shims I set the backlash to factory and got a wear pattern on the ring that I was happy with, I’ll keep an eye on how things settle and may need to adjust it after it gets some mileage on it, but overall pleased with how it came out. Got the new super duty cover on and filled up with the non synthetic GL-5 fluid the Eaton calls for. 0155F40D-87F5-49D1-87C6-EB465328F22A.jpeg 80C35C91-F330-4A25-9228-ABF9F7E3C829.jpeg
     
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  9. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    While I had the rear wheels off I fixed something that had been really annoying when driving the truck with the windows down, the center caps were loose on these wheels and would rattle like the truck was ready to fall apart at slow speeds. I used my exhaust expanded to swage the center caps and spread the flange out so they fit tight without any more rattles.
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    I also got the fan back on with the shroud, and installed the overflow tank off the passenger side of the rad, plumbing it under the battery cable where it’s easily accessible but hidden from plain view. 6EA24871-830B-42EB-9A9F-D950C31B8B08.jpeg

    I got word yesterday that the transmission is done and ready to head south, excited to get it in and button up this truck for the dyno.
     
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  10. lsaami

    lsaami Registered User

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    How does this differ from a 7.3 NA pump?
     
  11. Thewespaul

    Thewespaul Supporting Vendor Supporting Member

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    This is a 5069 pump, so it is for a factory turbo spec. Here is the calibrations specs for a 5069 (turbo) and a 4821 (non turbo)

    image.jpg
    This pump has been maxed out on the fueling adjustment so it delivers quite a bit more than the 5069 spec calls for, I haven’t run it on a test stand myself but I would estimate about 100cc at peak fueling and 85cc at 3000rpms. I could run the pump on the stand so it would come with a flow chart but it would have $100 fee for the stand time.
     

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