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  1. #1
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    WANTED: Hummer H3 Alpha Parts For LS Swap

    I am gathering parts for a LS swap into a non alpha 06 H3. This is a long shot but i figured I would start here first. I will probably start a separate build thread to go over the plan and details for more discussion, just collecting parts now.
    Updated:
    1. Airbox and ducting
    4. Ac lines
    5. Heater lines
    6. Fan shroud
    Last edited by jimmy p; 12-12-2020 at 10:52 AM.

  2. #2
    Super Swamper
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    Frankly with the hoses and such I would just buy new ones and save yourself the headache of having to replace them later if you go with used.
    2008 H3 Alpha

    "Live free or die: Death is not the worst of evils." - General John Stark

    N1JPA

  3. #3
    Street Tire
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    Apr 2017
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    The Motor City
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    I'd investigate the 2008-2012 Colorados that had the LH8 & LH9 engines to see what may be common, or pretty close. I bet you'll find those parts off a Colorado quicker. The oil pan I *believe* is available as a GM Performance part. I don't have a part number handy. Maybe someone can chime in. If you keep the I-5 4L60e, there's something different from the Alpha 4L60e. Pilot bearing, or something, I can't remember the details. Another thing to investigate. I'm guessing you'll do a 6L80e anyway.
    '10 H3T

  4. #4
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    Thanks for the input, I have a list of all the part numbers already, just trying to save some money if anyone happens to have some used parts they aren't using.

  5. #5
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    I5 trans won't work. Bell housing and input shaft are different. A V8 Colorado would make a good donor, but they're not very common. I think the exhaust manifold is still available from GM.

  6. #6
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    Duplicate post
    Last edited by jimmy p; 11-16-2020 at 11:49 AM.

  7. #7
    El Diablo
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    Stonedan, where are you located? I noticed you're using a different email than the one with which you signed up.

  8. #8
    Super Swamper
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    I have a brand new, never used belt tensioner that does not fit on my Alpha (this part was replaced by a different unit from Magnuson when the super charger was installed).

    You can have it for the cost of shipping, let me know
    2009 Hummer H3T Alpha

  9. #9
    Low Profile
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    Ramrod, Thanks for the kind offer but my donor engine came with a complete front drive so I should be set there.

  10. #10
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    Update still looking for:
    1. Airbox
    6. Fan shroud
    Last edited by jimmy p; 01-11-2021 at 03:48 PM.

  11. #11
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    Last shot here, anyone have an alpha fan shroud they are willing to sell?

    Sent from my SM-G960U using Tapatalk
    Last edited by jimmy p; 04-08-2021 at 04:12 PM.


 

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