Top End Setting?
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Northstar Engines and System Technical Discussion Discussion, Top End Setting? in Cadillac Engine Technical Discussion; Does anyone know how to view, or change, the setting that was used for limiting top speed on a 2000 ...
  1. #1
    MUGSANDLUKE's Avatar
    MUGSANDLUKE is offline Cadillac Owners Member
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    Question Top End Setting?

    Does anyone know how to view, or change, the setting that was used for limiting top speed on a 2000 DeVille DHS N* with 275 HP? I have "H" rated performance tires, same as the OEM tires were when originally delivered. They are rated to 150+ MPH. I would like to know before ever attempting to reach that limit on the highway. Not that I intend to do that any time soon.
    But one never knows

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  3. #2
    danbuc's Avatar
    danbuc is offline Cadillac Owners Connoisseur
    Automobile(s): '87 Jeep, '10 Thruxton, '00 Duc 748, '01 748R (853cc)
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    Re: Top End Setting?

    First, H rated tires are only rated for 130mph, not 150. Second, the only fewasable way to remove the governor is to find a shop that can reprogram your PCM with the info from a Z-rated DTS, which probably won't even work. It would also be quite expensive.

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: Top End Setting?

    Not likely you'll find anyone willing to take on that liabilty in todays litigious society. The trial lawyers are salivating just reading this post.

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