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Cadillac XLR Forum Discussion, xlr in Past Cadillac Vehicle Discussion; does anyone know of someone sucessfully installing any lsx engine in one of these chassis? I have the opportunity to ...
  1. #1
    1fastmofo is offline Cadillac Owners Member
    Automobile(s): escalade's
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    Aug 2009
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    xlr

    does anyone know of someone sucessfully installing any lsx engine in one of these chassis? I have the opportunity to get one for 18 wrecked but i am not a fan of the northstar.

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  3. #2
    deadringer's Avatar
    deadringer is offline Cadillac Owners Fanatic
    Automobile(s): Modified 06 XLR-V
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    Re: xlr

    The the XLR is a Y chassis car - which is the same as the corvette. In fact it was built out of the same plant as the 'vette...

    The chassis is only 1" longer at some point (I believe its near the rear to make room for the folding top).

    It even has the same tranny as the vette..

    My guess is that it should be reasonably trivial to put a LS engine into it - especially if you just treat it like a vette.

  4. #3
    1fastmofo is offline Cadillac Owners Member
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    Re: xlr

    any idea what year if at all they went from the 5 speed auto to the 6 speed auto?

  5. #4
    harrower is offline Cadillac Owners Member
    Automobile(s): DTS XLR-V SRX
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    Re: xlr

    Quote Originally Posted by 1fastmofo View Post
    any idea what year if at all they went from the 5 speed auto to the 6 speed auto?
    2007 6sp in XLR

  6. #5
    Dr. Design is offline Cadillac Owners Connoisseur
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    Re: xlr

    Physically it can be done with minor modification. It's the electronics that will be your biggest hurdle as the interface from the BCM and the ECM will not communicate. Unless you are going to run some type of standalone system to control the engine and deal with the BCM faults seperately then you might be able to get away with that. You also might want to try mallet cars, they do a lot of LS engine swaps, as a matter of fact, I think they put them in EVERYTHING. Good luck with your project and please keep us posted on the forums!

    Thanks,


    Dr. Design
    D3 Cadillac

    Quote Originally Posted by 1fastmofo View Post
    does anyone know of someone sucessfully installing any lsx engine in one of these chassis? I have the opportunity to get one for 18 wrecked but i am not a fan of the northstar.

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