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I got my car at the stock limiter at 125 when it was stock now that i have put bolt ons and tuner i removed the limiter and i havent yet took my car to the max yet because i need a digital speedometer.
 

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Discussion Starter · #6 ·
That's not bad. If your looking for a digital gauge along with car obd2 data monitoring including speed check out ultra gauge. The are around 90 dollars and work pretty good.


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Onativepower - Why don't you just put it on a Dyno at one of the Muscle car shows. They usually have one there. You get 2 pulls for $70 and a readout to prove it.
 

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After i get my twin turbo kit i will definitely want to see numbers so i will for sure. I have a friend in town where i live that has a shop with dyno machine.
 

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Well, i tried just a couple days ago, my 4.0 cannot pass 115mph but the rpm are only 3.3k and the car doesn't feel like forcing it so.. i guess is a factory limiter?


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Well, i tried just a couple days ago, my 4.0 cannot pass 115mph but the rpm are only 3.3k and the car doesn't feel like forcing it so.. i guess is a factory limiter?


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Once you get a tuner it will help a lot. Thats probably one of the best investment for your 4.0 and it will remove the limiter. It is just more fun when you get some bolt ons and a tune you can really feel the difference. I am running a 91 octane tune and i have a stock tune and 87 oct tune with bama tuner.
 

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I dont really understand tuners and dont want to ruin something doing experiments, also no time to study them for now xD


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Tuners arent complicated. When you buy one you are given a questionnaire from the company seeing what you have as far as upgraded parts after then let them know what changes and performance you would like for you car. Then once you get the tuner plug it right in your obd and follow the directions
 

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Well, i tried just a couple days ago, my 4.0 cannot pass 115mph but the rpm are only 3.3k and the car doesn't feel like forcing it so.. i guess is a factory limiter?


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Yes 115mph is the limiter because the stock driveshaft is only rated for 115mph! If you go faster and you don't have a driveshaft loop, if the drive line breaks, it could flip the car over! So don't even try it!

At the drag strip, a 115mph run is a deep 12 second run! So no need to increase the limiter!
 

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Anyone top out there car?


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I did, 126mph downhill, it’s sketch as (Moderated)

Yes 115mph is the limiter because the stock driveshaft is only rated for 115mph! If you go faster and you don't have a driveshaft loop, if the drive line breaks, it could flip the car over! So don't even try it!

At the drag strip, a 115mph run is a deep 12 second run! So no need to increase the limiter!
Removed it, 126 downhill car shakes like crazy
 
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