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Thread: Help!

  1. #1
    Join Date
    Feb 2004
    Posts
    22
    So ive been comtenplating doin a swap for a while now. I have a 2002 traillblazer, and want to swap to a 422ci engine. I found a pretty good deal on lunati rotating assembly and block, all new. The question is will it work without extensive labor ( when i say extensive i mean am i gona have to pay out the ars for installation), i need a good shop around austin/san antonio i can get the job done. How good is the lunati rotating assembly, how much hp/tq will it hold. I would like to go to a shop now and work out the plans ahead of time, before i invest a crapload of money. I will be running 8.5 or so compression with a gt45r(maybe a lil smaller) turbo. Sorry for all the questions, but i figure u guys would know. Thanks

  2. #2
    Join Date
    Jan 2004
    Posts
    9
    I don't know how much power the Lunati reciprocating assembly can handle, but the idea of a 422 cu in a trailblazer sounds awesome. Good luck. I hope it works out.

  3. #3
    Join Date
    Apr 2003
    Posts
    97
    Joe from www.jagperformance.com and Allen www.nelsonperformance.com can get that beast running.

    That setup sounds sick , be sure to have a built 4L60E or a 4L80E to handle that kind of hp and torque.

    The best of luck with your project, that thing is going to haul a$$.
    STOLEN: 2005 SILVERADO 1500 4WD ECSB 5.3L 3.42 gears

    Sold: 2003 SILVERADO 1500 RC STEPSIDE 5.3L 3.73 gears

  4. #4
    Join Date
    Apr 2003
    Location
    Mansfield, Texas, USA
    Posts
    2,462
    You can get a 408 from HPE in Houston for ~$3900 fully build ready to kickass.
    The superior man is modest in his speech, but exceeds in his actions. - Confucius

    "He who asks of life nothing but the improvement of his own nature, is less liable than anyone else to miss and waste life."- Henri Frederic Amiel

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  5. #5
    Join Date
    Feb 2004
    Posts
    22
    but do yall know of any shops in austin that can first make sure all the dimensions are right, so there wont be a need for much fab work, make sure the 80e will work out, as well as the escalade awd transfer case. I need this first, then if does work out I can buy the parts i need. Hopefully i pick up a couple of sponsors along the way as well. Thanks

  6. #6
    Join Date
    Sep 2004
    Posts
    665
    I know a good shop in North Austin / South Round Rock. Most of what they do is Japanese, but they are extremely compitent and have done most of the work on my truck as well as several other trucks I am aware of.

    Automotive Specialists / John Long
    472-4977

    Other than that, I am not aware of much. I know Nelson Performance can do excelent work in SA.

    Ross
    No more trucks, but this is what I used to have. 2000 GMC Sierra, 6.0L-LQ4, Built 4L60, LS6 Cam, The Other Guys Headers, 3 inch exhaust and 7 chamber flowmaster, 43lb injectors, Nelson Tuning, Drop - 3/4 McGaughys Spindles, Bell Tech Shackles & Hangers. Best time 13.59 @ 106

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