LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Freaking top speed limiter

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Old May 19, 2003 | 12:26 PM
  #1  
93transam1234's Avatar
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From: Maryland
Freaking top speed limiter

Well my car tops out right around 120mph. This really pissed me off this weekend! I raced a 97 Mustang and i burned his azz till i hit 120 then "poop" damn speed limiter he blew past me around 130 and put his lights on.

Well what is the cheapest way to raise my limiter? I should be able to get 150 out of her right?
Old May 19, 2003 | 12:31 PM
  #2  
Will84's Avatar
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From: Huntsville, AL
I have had 6 4th gen cars and there has never been a speed limiter on any of them. Did you hit the rev limiter? I didn't know there was a speed limiter on these cars... What years were the limiter put on?....was it done on Formula's, T/A's and Z28's?

Last edited by Will84; May 19, 2003 at 12:37 PM.
Old May 19, 2003 | 12:32 PM
  #3  
ollie-99's Avatar
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From: Lower Mainland, BC ,Canada
man that sucks!
thats why i got my PCM reprogrammed
Old May 19, 2003 | 12:34 PM
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I have a saver package for removing it among a few other things you can choose, for $75 + return shipping. I honestly don't think you'll find any cheaper solution than this...

Check my website for more details... www.madz28.com
Old May 19, 2003 | 12:39 PM
  #5  
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Originally posted by Will84
I have had 6 4th gen cars and there has never been a speed limiter on any of them. Did you hit the rev limiter? I didn't know there was a speed limiter on these cars... What years were the limiter put on?....was it done on Formula's, T/A's and Z28's?
93-95 LT1 cars have speed limiters set at 255 for cars that came with Z-rated tires from the factory. The ones that came with the crappy tires, were "optioned" with a nice 110 speed and an 118 MPH limiter.

96-97 LT1 cars with Z-rated tires have the speed limiter at 160 mph. The ones with crappy tires again, have it at 118 MPH.

EDIT: looks like all F-bodies with Z-rated tires from 96 to 02 have the limiter at 160 MPH.

Last edited by madwolf; May 19, 2003 at 12:44 PM.
Old May 19, 2003 | 12:43 PM
  #6  
IrocManiac's Avatar
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From: Tulsa
You can get a limiter removed but is it necessary to do 120mph on the streets?
Old May 19, 2003 | 12:45 PM
  #7  
Will84's Avatar
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From: Huntsville, AL
Originally posted by madwolf
94-95 cars have speed limiters set at 255 for cars that came with Z-rated tires from the factory. The ones that came with the crappy tires, were "optioned" with a nice 110 speed and an 118 MPH limiter.

96-97 cars with Z-rated tires seem to have the speed limiter at 160 mph on all stock tunes I looked. The ones with crappy tires again, have it at 118 MPH.

EDIT: looks like all F-bodies with Z-rated tires from 96 to 02 have the limiter at 160 MPH.
I never knew that....where the hell have I been...

Thanks for the info madwolf
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