2.3L & 2.5L I4 TechGeneral discussion of 2.3L and 2.5L I4 Ford Ranger engines.
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Ok so i have looked far and wide for a solution to this problem. I have a 2.3 5 spd Manual 02 ranger. Does ANYONE know of a safe way to remove the governor, short of replacing the engine? Right now i top out at approx. 92mph with my RPMs at 4500 in 4th. So far the stories ive heard have sounded a little extreme such as setting up some screwy wiring to a switch which supposedly turns off the governor but at the same time knocks out your speedometer as well as screws with your power brakes and a whole lotta other stuff (i sorta stopped reading it entirely once i got to the speedometer thing). Anyway all advice and help is welcome.
It' is controlled by the computer so replacing the engine won't do anything. The reason Ford does this is because your stock tires are not rated for a higher speed. The only way around it is to get performance chip, re-program the chip you have now, or disconnect the speed sensor wire. Disconnecting that wire won't let the computer know how fast you are going so there will be no limitation. Of course, you also lose your speedometer and odometer for the same reason.
The tires may be part of it, but I think the main reason is because of driveshaft whip. At high speeds it looks like a jump rope. Two things have contributed to this, the driveshaft no longer employs a carrier bearing and therefore it is longer, the gear ratio has increased to 4.10. That means a really long driveshaft spinning really fast. I am sure that would be the first thing to fail on extended high speed runs. If you're lucky the front u-joint will break and you can do a cool pole vault at 100mph.
I have read this too. That there is an inherant drivetrain problem with the Rangers that could cause failure at extended high speeds. I.E. Our trucks are not made for triple digit speed.
You could do it, but you would need an aluminum driveshaft and you would have to regear to say a 2.73 ratio. I don't think that would be a good choice for a 4 banger though.
BTW the carrier bearing thing only applied to supercabs. A regular cab won't have as bad of a driveshaft issue. Since a 4 doesn't come in a supercab you could probably go a little faster. But how fast is it really going to go?
I have read this too. That there is an inherant drivetrain problem with the Rangers that could cause failure at extended high speeds. I.E. Our trucks are not made for triple digit speed.
The driveshaft is the limiting factor for governed speed on many rear drive vehicles, not just Ranger. All driveshafts have a safe RPM limit. Sure, Ford knows how to build a stiffer driveshaft that can withstand higher revs. But the cost goes up disproportionately with an increase in diameter and thickness and/or a change of materials. Why spend the money for a 120 MPH driveshaft on a compact truck in 75 MPH America?
your right why would they wanna spend money on it when 25% of rangers are used for tunning and off roading; the other % are sold to state work crews and other work co. (water company & stuff)
Theres always an after market part. You can get the chip/reprogram/pull the wire, as stated before. If you do that then you are taking the chance of dying basicly.. so if you want to do this, you can get an aftermarket drive shaft If you can't find a mass produced one you can get one made.
So no matter what you want to do someone has an after market part for it, it's just the fact that you might need another aftermarkter part so you don't DIE
Governors
