1996 and later Northstar performance chips

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Northstar Engines and System Technical Discussion Discussion, 1996 and later Northstar performance chips in Cadillac Engine Discussion; Has anyone tried the VP12 Performance Chip sold by http://voloperformance.com ??...
  1. #1
    IXSLR8 is offline Cadillac Owners Member
    Automobile(s): Cadillac
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    Mar 2008

    1996 and later Northstar performance chips

    Has anyone tried the VP12 Performance Chip sold by http://voloperformance.com ??

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  3. #2
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
    Automobile(s): 2001 Seville STS, 1990 Seville (RIP), 1972 Sedan Deville
    Join Date
    Sep 2010
    East Boston MA.
    CCC recommends several ways to improve power, none of which actually do...

    There are 2 types of performance chips:

    Those that do literally nothing (the circuitry inside does nothing but control the LEDs).

    And those that alter the signal from the IAT, making the PCM think the intake charge is cooler, causing it to inject more fuel. Problem is, without any extra air for the extra fuel to mix with, all you get is a rich mixture, which gets you LESS power and mileage.

    Ask them of they'll pay for your dyno testing, and buy back the "chip" if there are no gains...

  4. #3
    maeng9981's Avatar
    maeng9981 is offline Cadillac Owners Connoisseur
    Automobile(s): 14 SRX, 00 SLS, 99 Deville 50-year Anniversary
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    Mar 2009
    Dallas, TX

    Re: How many of us have used studs from Northstar Performance ?

    I'd rather lose weight than buy one of those "chips" to actually gain .05 second quicker 0-60 time.

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  6. #4
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
    Automobile(s): 2002.5 F55 STS - 67,500 miles, 2014 Explorer XLT FWD
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    MD Eastern Shore, Kent Island

    Re: How many of us have used studs from Northstar Performance ?

    You might want to read the Volo website and the claims for the 2002,3,4 Seville "chip". They claim this rig plugs into the OBD-II port and changes the PCM mapping. It would be interesting to find out how they have succeeded in altering the 2000 and later FWD Northstar PCM maps when there are at least 3 other "tune shops" that have failed. IF this box does anything, I'll bet it's an IAT offset signal.

    1996 - 1997 and 1998 - 1999 are probably different from each other and from 2000 and later.

    For $90 ?and shipping? I would ask for certified on-the-rollers dyno tests (NOT a computer simulation) and a money-back guarantee.

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