350 to 454 swap?

Discussion in 'Chevy Tahoe Forum (GMC Yukon, Cadillac Escalade)' started by tattooed4life, Sep 3, 2009.

  1. tattooed4life

    tattooed4life Epic Member 5+ Years 500 Posts

    I have been back and forth on getting a 2500 burb with the 454 in it. I really don't want to give up my yukon, so I was thinking 454 in my yukon. I want it for more power and more or less to have the almighty 454 in my truck. Is this a possible swap? I know that changing motors is not an easy task I have done a few before. My problem is with all the computer controlled crap. Do I stand a chance? What do you guys think?
  2. 5speedsilverado

    5speedsilverado Epic Member 5+ Years 1000 Posts

    yes its possible, it would be easier with yours then a newer one
  3. tattooed4life

    tattooed4life Epic Member 5+ Years 500 Posts

    I thought I saw another member on here that swapped his 350 to a 454. I just can't remember the name.
  4. vncj96

    vncj96 Epic Member 5+ Years 1000 Posts

    You WILL need the tranny from the doner, there may be some other things as well, I believe its azdrtdog that did the 350 to 454 swap!!
  5. tattooed4life

    tattooed4life Epic Member 5+ Years 500 Posts

    Thanks for the lead--I try to look him up to get some more info.
  6. fhaywood

    fhaywood New Member

    have you considered the 383 crate motor from GM Performance. Tons of power and torque and it's a direct swap. When...and if...the economy ever gets back on track (I'm a slaesman and business sucks) that's what I'm planning.
  7. tbplus10

    tbplus10 Epic Member Staff Member 5+ Years 5000 Posts Platinum Contributor

    When I bought the 97 Suburban 2500 4x4 I have now it came without a drivetrain, the truck only had 29000 miles but the original owner removed the 350 to transplant in a 1955 Suburban he was building.

    I horse traded with a friend of mine for the drivetrain out of his 4x4 tow truck and ended up with a 454/4L80E. It was a GM crate engine and trans with only 2500 miles on it and it had some performance parts added after the install.

    For the install I bought the crossmember, computer (eng and trans) new motor and trans mounts, driveshafts, a partial engine bay wire harness, and a new Modine 4 row radiator. Most of the parts came from a totaled B/B Suburban I found cheap on craigslist.
  8. yukonlover89

    yukonlover89 New Member

    i have 383 stroker if you want to buy it its sitting in my garage taking up space 1000 or obo and its yours its a 2000 block from jegs with about 20,000 on it... your intake and stuff will bolt on and it has the alt., water pump and everything still on the block. insane power its outta a truck that i side slide into a pole lol
  9. vncj96

    vncj96 Epic Member 5+ Years 1000 Posts

    Even swapping in the 383 from GMPP you are riding a VERY thin line of what the 4L60E can handle, I would recommend getting a 4L80E and going from there. Otherwise you would want to get the 4L60E beefed up a bit.
  10. azdrtdog

    azdrtdog Epic Member 5+ Years 100 Posts

    here I am.. been there done that now im going for broke... check out my sas album

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