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factory govenor question

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Old 03-31-2011 | 06:41 PM
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Default factory govenor question
whats the easiest/ cheapest way to get rid of my rev/ speed limiter on my 99 z28 auto ???????
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Old 03-31-2011 | 07:06 PM
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Pay someone that has EFILive or HPTuners to change it.

Your PCM should be set to cut fuel at 6200 RPMs and your top speed should be set at 160 MPH OEM.
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Old 03-31-2011 | 07:22 PM
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nope its like 4000 rpms and 110 - 115 mph on my z28, heard this happened if it didnt come with z rated tires or something like that from the factory. Anybody in Fort collins/ Denver area reputable?
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Old 03-31-2011 | 07:30 PM
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If it's shutting down at 4000 RPMs through all of the gears you have something else going on.
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Old 03-31-2011 | 07:30 PM
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Correct it was limited if you didn't have tires. You can set it with new tune. I beleive mine is at 255 now . Hahaha!
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Old 03-31-2011 | 08:52 PM
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True. If the car came w/o Z rated tires, it was speed limited to 118 I think.
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Old 04-01-2011 | 08:31 AM
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I drove an old LT1 vert with a 110 limited top speed
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Old 04-01-2011 | 10:34 AM
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wow, this is new to me, i never heard this before, i would be pissed if my car cut out at 110, that's normal driving for me lol
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Old 04-01-2011 | 11:04 AM
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Like kenp said though, if it's not running past 4k RPM you have other issues.
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Old 04-01-2011 | 11:09 AM
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Originally Posted by kenp
If it's shutting down at 4000 RPMs through all of the gears you have something else going on.
What he said...
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