Peformance of 2005 Cadillac Deville w/ Northstar
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Northstar Engines and System Technical Discussion Discussion, Peformance of 2005 Cadillac Deville w/ Northstar in Cadillac Engine Technical Discussion; we are 3 things I can do to increase horsepower and performance of this vehicle? Is their a way to ...
  1. #1
    randyw89 is offline Cadillac Owners Member
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    Peformance of 2005 Cadillac Deville w/ Northstar

    we are 3 things I can do to increase horsepower and performance of this vehicle? Is their a way to change computer settings?
    randyw89

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  3. #2
    randyw89 is offline Cadillac Owners Member
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    Re: Peformance of 2005 Cadillac Deville w/ Northstar

    Sorry.
    What are 3 things.

  4. #3
    mcowden is offline Cadillac Owners Connoisseur
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    Re: Peformance of 2005 Cadillac Deville w/ Northstar

    Quote Originally Posted by randyw89
    Sorry.
    What are 3 things.
    Install a cat-back performance exhaust system and install nitrous for the most performance. After those are done, you might squeeze a little more out by using a racing air filter, but that will wear the engine much faster than a regular filter. The car makes very good power as is. Opening up the intake doesn't buy you anything really. Use the Search feature above for more information. Believe it or not, you're not the first person to ask such a question...
    Mike

  5. #4
    davesdeville's Avatar
    davesdeville is offline Banned
    Automobile(s): 1995 ETC, 75 Deville, Cad500 powered 73 Apollo, 94 Mark VIII
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    Re: Peformance of 2005 Cadillac Deville w/ Northstar

    You can't touch the computer (as of now at least), same with all 96+ Northstars. Like mcowden said, spray and exhaust are just about it.

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