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  1. Thread: PCMforless.com

    by Mark42
    Replies
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    6,261

    Got my wife a GPS for Christmas, and had it in my...

    Got my wife a GPS for Christmas, and had it in my car for a few days. I noticed that the speedometer reading is dead on with the GPS. I wondered how close the speedo would be to true speed after...
  2. Thread: PCMforless.com

    by Mark42
    Replies
    8
    Views
    6,261

    Had the speedo adjusted for 3.73 gears, fan...

    Had the speedo adjusted for 3.73 gears, fan speeds adjusted for a 180 thermostat, firmed up shifts, removed high speed limit, changed timing for 89 octane gas and their air/fuel changes for more hp. ...
  3. Thread: PCMforless.com

    by Mark42
    Replies
    8
    Views
    6,261

    PCMforless.com

    Used PCMforless.com to program the PCM in my 98 Firebird V6. Worked just as promised. No issues, and they return email very quickly. Will use again.
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