temporary governor disablement - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 07-05-2003, 03:04 AM   #11
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If you guys really want, and you can set up a closed road where I can legally test the top speed of the GTP for free in my area, my father and I would probably have no problem doing so, we already have the limiter removed, and we have 420 supercharged horses, and 450 supercharged lb. ft. so I think we could tell you about as fast as you will ever get your car to go. Let me know...
Tell us, Tell us, we really want to know.
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Old 07-05-2003, 03:25 AM   #12
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Tell us, Tell us, we really want to know.
Like I said you tell me where and when we can do it legally around Lansing, MI for cheap or free, and I will get you the numbers, and probably other numbers if you want. Tell me where and when and you will have a lot of answered questions.
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Old 07-05-2003, 04:04 AM   #13
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Need to clear the air on the Boat'* ABS comment. The VSS is in the Transaxle, and is unrelated to the ABS or Traction systems. Opening the signal from the VSS will have no effect on ABS whatsoever. It'* a standalone system, and in your car, Boat, the PCM doesn't even know you have ABS or Traction. These systems are controlled by the EBCM, and it doesn't communicate with the PCM.

(electronic brake control module)
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Old 07-05-2003, 04:15 AM   #14
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very very true Will. the abs and TC systems have their own dedicated speed sensors on each wheel.
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Old 07-05-2003, 10:24 AM   #15
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oh goodie goodie, so what about the rest of my plan? will loss of the VSS signal cause the TCC to come out of lockup? will the tranny stay in whatever gear it'* in?
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Old 07-05-2003, 12:44 PM   #16
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I'm pretty certain you'll lose lockup, but you won't be in lockup under accelleration anyway. I'd bet the gear solonoid would remain in whatever gear it was last, but the only way to find out is to try it. Having a scantool on the car when you did it would be cool. I don't think I'd try it without one, cuz that'* the only way to be sure what happened when you opened the vss circuit.

Boat, on your car the VSS is only a 2 wire system going to the PCM. Wire number A64 is yellow, and A65 is purple at the PCM and VSS.
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Old 07-05-2003, 02:38 PM   #17
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So seeing that the 4t60-E is an electronic transmission too....can we fit those new GP shifter thingys into our cars
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Old 07-05-2003, 02:51 PM   #18
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Originally Posted by willwren
I'm pretty certain you'll lose lockup, but you won't be in lockup under accelleration anyway. I'd bet the gear solonoid would remain in whatever gear it was last, but the only way to find out is to try it. Having a scantool on the car when you did it would be cool. I don't think I'd try it without one, cuz that'* the only way to be sure what happened when you opened the vss circuit.

Boat, on your car the VSS is only a 2 wire system going to the PCM. Wire number A64 is yellow, and A65 is purple at the PCM and VSS.

ok... how much is a scan tool gonna run me for this screwy obd 1/2 system??? and where are those 2 wires???
and yes jr, i want to remove the speed limiter just want to do it cheeply, and i dont know anywhere that will burn me one, do u?
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Old 07-06-2003, 08:13 PM   #19
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Boat, is your PCM under the hood near the airbox, or above the passenger'* hush panel in the car? That'* where you'll find the wires......or you can find the two wires at the electrical connector on the transaxle, down below your TB.

My scantool cost about 125. On the cheap end. It'll read your stuff with a different cable.
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Old 07-06-2003, 10:40 PM   #20
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What I'm wondering here is what the PCM will do when it sees no road speed signal from the VSS... If there is nothing there at all will the PCM see that as 0 and shift the tranny back into first gear? I'm thinking without the VSS the PCM will be confused...
I am almost positive the PCM uses revs to determine when to shift not speed. The reason I think this is because if we nail the gas hard enough in 1st to make the tires spin enough to hit 6200rpms in the GTP it will shift into second gear no matter how fast it is going.
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