Need to remove the governer - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-29-2002, 09:24 PM   #1
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Default Need to remove the governer

Don't know what it is or how it looks but I MUST get rid of it!!! plz help


P.*. - is that the reason I can't rev past 4000rpm in park?
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Old 09-29-2002, 09:35 PM   #2
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The governor is part of the PCM. The easiest way to remove it is to get the performance chip. Plus you will get better shift points, timing, etc... with the chip. A scan tool with wright capabilites might be able to as well but I am unsure.

As far as the 4000 rpm park rev limit, I think it is a failsafe so you don't blow your engine. I have notice that I can't rev it up that high either in park. Then again, there really isn't any need to rev it up that high in park, but you may have a reason too (say a Civic next to you at a light? ).
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Old 09-29-2002, 09:43 PM   #3
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Not sure why I high rev but It'* just one of those things . ya know?
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Old 09-29-2002, 09:44 PM   #4
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Not sure why I high rev but It'* just one of those things . ya know?
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Old 09-29-2002, 09:48 PM   #5
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Quote:
Originally Posted by vze3r85p
Not sure why I high rev but It'* just one of those things . ya know?
I know what you mean!

When I did do it (in the past) I seemed like it disabled spark for a second or so. It gave the effect of me pulsing the throttle.
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Old 09-29-2002, 10:04 PM   #6
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How much did youpay for your plugs? Do you feel the power?
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Old 09-29-2002, 10:40 PM   #7
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Quote:
Originally Posted by vze3r85p
How much did youpay for your plugs? Do you feel the power?
The plugs were $38.99 and available at GrandPrixStore.com. I did a few other things at the same time. NGK plugs, Taylor 8mm wires, Fram fuel and air filters, and a 180 thermostat. Overall I defineatly feel an improvement. It'* smoother and faster through the entire RMP range, smoothed out my idle, and runs cooler . From what I understand, Iridium plugs are now OEM equipment on the new GM cars, or at least some of them.
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Old 09-29-2002, 10:53 PM   #8
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As SSEi has stated... that is the rev limiter.. it doesn't allow you to over rev the engine through spark as stated too.. the Governor for speed is also through the PCM.. in which limits your top speed through cutting off fuel... you can wait for DHP as they are in the works for performance chips for our Bonnies .. however.. I would do the chips near the end as you would have to get it reflashed each time to compensate for any mods you add on.

P.*.
On a side note.. anyone know if any companies out there make downpipe and headers for our Bonnies ?? I find them everywhere for Grand Prix, but don't think their configuration would work with ours...
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Old 09-30-2002, 12:23 AM   #9
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Default Re: Need to remove the governer

Quote:
Originally Posted by vze3r85p
Don't know what it is or how it looks but I MUST get rid of it!!! plz help


P.*. - is that the reason I can't rev past 4000rpm in park?
4000 RPM in PARK!!!!! Are you trying to blow up that engine????? This is why GM did this in the first place to stop people like you from blowing up the engine & coming back and asking it be replaced under warranty too!
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Old 09-30-2002, 09:41 AM   #10
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Default Take off gov.

I want that same performance how much is the equipment so I can do it?
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