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Cadillac Seville / Cadillac Eldorado Forum Discussion, how do i take the govern off?? in Past Cadillac Vehicle Discussion; Thanks, last I checked with Hypertech, they didn't have anything, but it's been a while....
  1. #16
    Randy_W is offline Banned
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    Re: how do i take the govern off??

    Thanks, last I checked with Hypertech, they didn't have anything, but it's been a while.

  2. #17
    jgwlex is offline Cadillac Owners Member
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    Re: how do i take the govern off??

    Quote Originally Posted by mysts98
    after hearing all this ill just keep my car governed.......anyone on here now where i can get hid;s for my car????
    I bought a set of McCulloch HIDs on eBay. It's as close to the factory HIDs as you are gonna get for a fraction of the cost. I paid $280, and it really is an easy install. It is no comparison to halogen bulbs or silverstars.

  3. #18
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    CadillacSTS42005 is offline Banned
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    Re: how do i take the govern off??

    There is absoultly no programer available for the 96+ northstars yet. There isnt a market really for them like there is for Vettes and FBodys, hence why Katshot lucked out his FTS has an LT1 like a vette so they make programers and chips.

  4. #19
    ewill3rd is offline Cadillac Technician
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    Re: how do i take the govern off??

    The only way a dealer COULD do this is if you did a mound of paperwork, and they called GM, an engineer would have to rewrite a calibration, send it to the dealer and the dealer could then re-program the car.
    This process ends up being something called calibration by a VCI number.
    It also costs about 200 dollars to get them to issue a VCI calibration out of warranty. Basically don't look to GM to get this done.

  5. #20
    Odin8 is offline Cadillac Owners Fanatic
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    Re: how do i take the govern off??

    Quote Originally Posted by 91TexasSeville
    Not likely, as the STS/ETC with the 150 MPH option and Z rated tires also has different vehicle ID, and different emissions from the non Z rated vehicle.
    Different emissions requirements just becase of a higher govenor? That doesn't make sense to me...

  6. #21
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    91TexasSeville is offline Cadillac Owners Connoisseur
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    Re: how do i take the govern off??

    Yup...
    The tune is different, so then is the standard.

  7. #22
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    curtc is online now OCD - Obsessive Cadillac Disorder
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    Re: how do i take the govern off??

    alright I need to figure this out....my '95 sts is z-rated and it tops out around 132-134 or so, and almost everyone else says it should go 150, why is this?

  8. #23
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    WarrenJ is offline Cadillac Owners Enthusiast
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    Re: how do i take the govern off??

    Quote Originally Posted by curtc
    alright I need to figure this out....my '95 sts is z-rated and it tops out around 132-134 or so, and almost everyone else says it should go 150, why is this?
    Was your PCM ever changed out?

  9. #24
    kevinrea is offline Cadillac Owners Fanatic
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    Hey KATSHOT ..

    so, where do i find one of these aftermarket reprogrammers willing to reprogram my car's brain ?

    i haven't been able to find any myself.
    i sure would like to know of a few.

    kevin
    kevinrea@adelphia.net

  10. #25
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    Re: how do i take the govern off??

    there is NO PROGRAMMER
    ZERO
    NONE
    NON EXISTANT
    FOR THE 4.6 Cadillac Northstar

  11. #26
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    Re: how do i take the govern off??

    There is absolutely no way that the emissions requirements for the H and Z rated cars are different. That wouldn't be very cost efficient. Plus, at 130mph, your still only getting maybe 8mpg. Emissions don't come into play at those speeds. The EGR system isn't working, plus the engine is literally dumping fuel in the engine to keep the pistons cool. To re-engineer the emmissions system for a limited amount of cars would cost an exuberant amount of money. GM has been known to do dumb things, but even that's pushing it. The only difference between the two is the governor. All the programming for how the governor works is in the Z rated PCM. It's works very similar to the T/C system, in how it can control Fuel, and Ignition timing to limit engine power. All they have to do is either add that simple line of code in there, and you've got a governor. Removed it, and the governor is gone.

  12. #27
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    Re: how do i take the govern off??

    I got 140 on the dial from my STS, no cut off or anything .

    "I" cut it back.

    A guy that was very reputable said that Z rated cars were NOT GOVERNED, and that these cars were limited to only the limits of the engine and the extent of the performance and the end of the envelope of the engine itself.

    Over all meaning a potential melt down and critical breakdown of the drivetrain due to over extremism.

    Ie: a true blown engine.

    And things bad all around.

  13. #28
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    Re: how do i take the govern off??

    Funny thing is the PCM reads the MPH different on a different cars give or take a few MPH. It SHOUD NOT HAVE A CUT OFF.

    Are you sure you are at those speeds?

    PLEASE DO NOT GO OUT AND TEST THIS THEORY IF YOUR SPEEDO SAYS 134 and your fuel cut off says "Fuel cut off" or "max speed reached"

    IF I AM WRONG AND THERE IS A CUT OFF/GOVERNER, Please adhere to the DIC and SLOW DOWN!!!!!!!(YOU WILL HAVE NO CHOICE ANY WAYS, BUT DONT TRY IT IF YOU ARE NOT Z RATED WITH Z RATED TIRES).

    ONLY Z RATED AUTOS WERE MEANT TO BE PUSHED TO AUTOBAHN SPEEDS.

  14. #29
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    Re: how do i take the govern off??

    i love my Z rated ETC she keeps going and going and going then the motor will really blow lol a fitting end rather than some b/s headgasket failure

  15. #30
    Caddysodry is offline Cadillac Owners Member
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    Re: how do i take the govern off??

    Is there anything else thats different from the Z rated STS/ETC to the non Z rated cars other than tires , programing and emissions ? What year did they start with the Z rated version.

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