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Old Oct 3, 2014 | 03:22 PM
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95 MPH?

So I decided to seafoam my engine and do an "Italian Tuneup" on my Ex before swapping my spark plugs. For those not in the know, an "Italian Tuneup" is just getting it out on the highway and driving the snot out of it.

I got the Ex on a long, straight section of highway and floored it. It pulled fairly stron up to 95MPH. At about 95MPH, (Just shy of 4000 RPM) it backed off and stuttered.

The PCM will rev limit me at 5500 RPM when I free rev the engine, so I know it wasn't the rev limiter.

Is the factory PCM supposed to be limited at 95MPH?
 
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Old Oct 3, 2014 | 03:47 PM
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Yes it cuts fuel when it hits the limit.

I have my limiter removed and i've touched 111 mph with my current Ex and close to 120 with my old 2000.
 
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Old Oct 3, 2014 | 03:49 PM
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Yup, that's the limiter for you When I was into the focus' back in the day in we'd hit the limiter all the time
 
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Old Oct 3, 2014 | 03:55 PM
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I think it's your ex telling you to slow your **** down or it's going to self destruct.
 
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Old Oct 3, 2014 | 04:48 PM
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Don't forget, the front end on the X is very light and can come up and flip the truck over at such speeds. Basically what happens is a low pressure area builds up under the oil pan and this pushes the front end up. Once the front tires leave the ground and the front is airborne congress starts passing laws that make sense and taxes are handed out how they should be. In other words I was kidding
 
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Old Oct 3, 2014 | 04:50 PM
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I got curious the other day and wanted to see what this beast would do. Buried the needle with still room to go. The live wire was showing 112 at this point. I didn't want to push it any further.


 
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Old Oct 3, 2014 | 05:03 PM
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Only needle burying I do is the fuel needle
 
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Old Oct 3, 2014 | 09:19 PM
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I removed the limiter on mine with the tune and it does funky stuff after 100, i loose the speedo and odometer as seen in this vid.

 
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Old Oct 3, 2014 | 09:53 PM
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I can set my speed limiter to whatever I want or none at all! Although I really don`t feel safe in an 8k lb SUV with a solid front axle over 90 mph!
 
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Old Oct 3, 2014 | 10:04 PM
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Originally Posted by 1 Excursion camper
I can set my speed limiter to whatever I want or none at all! Although I really don`t feel safe in an 8k lb SUV with a solid front axle over 90 mph!
Aw come on, live dangerously... All the cool kids are doing it.
 
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Old Oct 3, 2014 | 10:56 PM
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i got up to 120 once when my truck was acting weired .. confirmed by my gps also .. then i stoped at a resttop for a pee break and tryed it again and hello 95 lol
 
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Old Oct 3, 2014 | 11:44 PM
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Originally Posted by Twitchyleprechaun
Aw come on, live dangerously... All the cool kids are doing it.
Ladies and gentlemen, the Marlbro Man
 
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Old Oct 4, 2014 | 12:58 PM
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Originally Posted by AlaskanEx
I removed the limiter on mine with the tune and it does funky stuff after 100, i loose the speedo and odometer as seen in this vid.

V10 ford excursion 100+ - YouTube
I see snow... you did this on potentially slippery roads?
 
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Old Oct 4, 2014 | 01:21 PM
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Originally Posted by jayjjcc
I see snow... you did this on potentially slippery roads?
yeah middle of winter (remember we don't salt!), did you not notice the 4x4 light on the left of the dash?
 
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Old Oct 4, 2014 | 02:07 PM
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Sorry I forgot that going 100+mph on a snowy road is fine as long as you have the 4x4 on to help you come to a quick stop in case of emergency.
 
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