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Northstar Engines and System Technical Discussion Discussion, horsepower in Cadillac Engine Discussion; does anyone know about the +22 hp progressive tuner off of ebay, they say it plugs into the factory harness ...
  1. #1
    da6umpsfinest's Avatar
    da6umpsfinest is offline Cadillac Owners Member
    Join Date
    Apr 2004
    hampton, virginia


    does anyone know about the +22 hp progressive tuner off of ebay, they say it plugs into the factory harness on IAT sensor and it sends a signal to ur ecu. and from there the ecu makes the adjustments for the performance settings.

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  3. #2
    JSMeloche is offline Cadillac Owners Fanatic
    Automobile(s): 2005 SRX V6 AWD
    Join Date
    Mar 2004

    Re: horsepower

    I think it works with the MAF just like all the other diode "scam" advertise on ebay. Basicaly they replace the MAF with a static or variable (in this case) resistance so the computer put more or less gas in the cylinder. So you get a rich or lean mix depending on the condition, throtle position, altitude etc...

    My advice is let the carefully developped computer on a 70 000$ car choose the appropriate fuel mixture instead of a 20$ el cheapo variable resistance.

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