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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Speed limiter?

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Old Sep 10, 2006 | 03:06 PM
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Default Speed limiter?
Hey guys whats up? my car apparently has a 110 mph speed limiter. I have heard this was because it had the v6 origionaly so the tires they equiped them with werent rated for the higher speeds. Anyway what do i need to do to get rid of the limiter? thanks in advance!
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Old Sep 10, 2006 | 03:12 PM
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Aftermarket reprogramming of the pcm is the only fix and that would have been swapped with the engine. I would suggest someone like www.madz28.com
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Old Sep 10, 2006 | 06:26 PM
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How are you running an LT1 with V6 programming?
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Old Sep 10, 2006 | 09:56 PM
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That was what i was told but obviously im wrong. None the less my car shuts down at 110 which is very annoying. Will a hypertech programmer work for getting rid of the speed limiter.
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Old Sep 10, 2006 | 10:00 PM
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the hypertech is crap. get a custom mail order program. www.pcmforless.com or www.madz28.com its also cheaper than the hypertech
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Old Sep 10, 2006 | 10:00 PM
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yea friend of mine had one on his 97 camaro and my other friend has a 99 v6 and he doesnt have no speed limiter...
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Old Sep 10, 2006 | 10:04 PM
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I am still trying to figure out how it's that low. Could be the PCM out of a 2.73 rearend car.
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Old Sep 10, 2006 | 10:05 PM
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i heard its the tranny....its a chip or some gear in the tranny...

but im not 100% sure tho.
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Old Sep 10, 2006 | 10:08 PM
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He got robbed..lol Atleast he has a V8.
Mine hit the peg past the 150 mark, and still had more. It was custom tuned though.
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Old Sep 10, 2006 | 11:27 PM
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So my first step would be to go to madz28 and ask him what i need to do?
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Old Sep 10, 2006 | 11:57 PM
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my 97 formula was limited at 115, hypertech does take it off but its a useless handheld and id just spend the money and have madz28 tune ur pcm.
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Old Sep 11, 2006 | 04:49 AM
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the limiter is all in the PCM. PCMforless or madz28 would likely take care of that no problem, and also you will gain power and drivability.
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Old Sep 11, 2006 | 04:51 AM
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and yes. Hypertech is worthless junk. better off getting an Akm cable, and tunercat, and using a computer to tune it.
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Old Sep 11, 2006 | 08:17 AM
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Yea, the only thing on the Tranny is the Speed Sensor in the back. Nothing to do with limiting the speed.
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