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Car Forum / Pontiac / Pontiac Cars / May 2008G8 Issues
Does anyone know why the G8 is governed at a paltry 135 mph? My '00 SSEi has 121 fewer horsepower and will do 130. Seems very low for this car, I was expecting 145-150. Lee >Does anyone know why the G8 is governed at a paltry 135 mph? My '00 SSEi has >121 fewer horsepower and will do 130. Seems very low for this car, I was >expecting 145-150. > >Lee Lee, In 3 words - PRODUCT LIABILITY LAWYERS. For quite a few years GM has speed-limited their cars to match the speed rating of the tires installed on the car. I'll bet before too long someone will have a software hack for the PCM to disable the speed limiter. Regards, Bill Bowen Sacramento, CA >> Does anyone know why the G8 is governed at a paltry 135 mph? My '00 SSEi has >> 121 fewer horsepower and will do 130. Seems very low for this car, I was [quoted text clipped - 14 lines] > Bill Bowen > Sacramento, CA There won't be a "software" hack. You need the tool that can program the PCM. Grand AMs have been this way since '99, and to override the limiter you need a specific tool. One that I know is an HP Tuner. >>Does anyone know why the G8 is governed at a paltry 135 mph? My '00 SSEi >>has [quoted text clipped - 15 lines] > Bill Bowen > Sacramento, CA I understand the tire correlation. My SSEi has "H" rated tires which warrant the 130 mph governing. However, no tire speed rating tops out at 135 mph. 149 would be next after the 130 level. Must be something else.....like the lawyers. Lee >>>Does anyone know why the G8 is governed at a paltry 135 mph? My '00 SSEi >>>has [quoted text clipped - 23 lines] > >Lee Or the insurance companies. >>Does anyone know why the G8 is governed at a paltry 135 mph? My '00 SSEi >>has [quoted text clipped - 15 lines] > Bill Bowen > Sacramento, CA Then why don't they put on higher speed rated tires. A vette isn't governed. Anyone buying these types of cars wants maximum speed, they aint buying to have the speed limited. Liability is the drivers responsibility not the manufacturers. >>>Does anyone know why the G8 is governed at a paltry 135 mph? My '00 SSEi >>>has [quoted text clipped - 20 lines] > buying to have the speed limited. Liability is the drivers responsibility > not the manufacturers. I agree. Just tell that to the lawyers listed on the back of the phone book! Lee
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