Aside from Tuner, how to remove speed governor? - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 08-24-2006
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Aside from Tuner, how to remove speed governor?

Aside from plugging in a tuner to remove the speed governor on the 3.0 (I believe it is set at 92 MPH), is there any other way to remove it?
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Old 08-24-2006
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To adjust the limiter speed, you must have access to the calibration and that means a tuner or chip. The only other way would be to trick the PCM into thinking that the truck is going slower than it is. This could probably be done with a speedometer calibration box in the VSS wire. It might work OK on a manual trans but it would screw up an automatic's shift schedule.
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Old 08-24-2006
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Quote:
Originally Posted by rwenzing
To adjust the limiter speed, you must have access to the calibration and that means a tuner or chip. The only other way would be to trick the PCM into thinking that the truck is going slower than it is. This could probably be done with a speedometer calibration box in the VSS wire. It might work OK on a manual trans but it would screw up an automatic's shift schedule.
Dang. I want to take the limiter speed off before I travel to the Salt Flats...hmm, I don't want to have to spend $400 for one...well, guess I'll shop around.
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Old 08-24-2006
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Originally Posted by pastfinder
Dang. I want to take the limiter speed off before I travel to the Salt Flats...hmm, I don't want to have to spend $400 for one...well, guess I'll shop around.
It will be worth it for performance and fuel mileage for your trip....
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Old 08-24-2006
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Originally Posted by 04lvl2
It will be worth it for performance and fuel mileage for your trip....

True, but $400 is just part of the potential gas bill, plus my efan doesn't appear to be saving me anything yet. I'm going to raise the thermostat temp a tad to see if that helps out.
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Old 08-24-2006
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Originally Posted by pastfinder
True, but $400 is just part of the potential gas bill, plus my efan doesn't appear to be saving me anything yet. I'm going to raise the thermostat temp a tad to see if that helps out.
I wouldnt recommend that, especially since you are going to be driving in such heat.
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Old 08-24-2006
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I wouldnt recommend that, especially since you are going to be driving in such heat.

It was 108 here today...I raised it to see what happens tomorrow, but can adjust it as necessary.
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