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

95 speed

Old Jun 28, 2013 | 08:44 PM
  #16  
moparman's Avatar
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From: Louisville, KY
Re: 95 speed

If it's beating the 120, I'd say the speed limiter has been deleted.
Old Jun 29, 2013 | 07:02 AM
  #17  
MDZ28's Avatar
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Re: 95 speed

interesting to say the least.

I was planning on having my pcm tuned but now I'm thinking the previous owner did it.

I think I may contact him.
Old Jun 29, 2013 | 12:27 PM
  #18  
Injuneer's Avatar
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Re: 95 speed

Originally Posted by MDZ28
my speedometer is the lower of the two you have stated, but I have buried the needle and kept going faster.

did all cars with the 120mph speedo come with this speed limiter?

the only reason I ask is because Im curious if my pcm has already been tuned.
The speed limiter was used on vehicles that did not leave the factory with optional Z-rated tires (RPO option QLC - check your build parts tag).
Old Jun 29, 2013 | 04:00 PM
  #19  
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Re: 95 speed

Originally Posted by Injuneer
The speed limiter was used on vehicles that did not leave the factory with optional Z-rated tires (RPO option QLC - check your build parts tag).
Thanks, Ill check that out.
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