2000 Excurison 6.8L programmer issues GRRRRRRR!!!!
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New User
Joined: Aug 2009
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2000 Excurison 6.8L programmer issues GRRRRRRR!!!!
Ok, I am getting some conflicting information. I have a 2000 Ex V10 with 37" tires and new 4.88 gears. I want a programmer to redo my speedometer and adjust the pcm for my tires and new gears and maybe some more torque for towing. I am told that no programmer will fix the speedo and then superchips is telling my that theirs will fix it. I just got off the phone with ford and they say that the pcm can only be adjusted up to 7% correction for the speedo. Any one out their with a similar issue and how did you fix it? I know about superlifts truespeed but I bought a programmer from 5 star tuning and dont want to spend the extra money to fix the speedo but I may have to just return the sct and go with something else. Thoughts???
Sit. Stay.
Joined: Oct 2001
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From: Washington State
I am able to use my Superchips 1714 to adjust for tire size and gears. Although you don't really need to adjust the gear value, I did because it was an option. I do not recall if it goes up to 37" though. 
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Joined: May 2008
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Ya the Dealer here told me they could not help because of the gears and large tires. They said the factory setting in the ex was very limited. I was just looking at the Truspeed, may have to get next week. I have 36 ATZ with 5.38s. Oh ya I'm going to 38's in spring, maybe 40's.
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I have yet to get the superchips yet. My ex is still in the shop getting a CV joint installed on the drive shaft. Apparantely the harmonic balancer is missing????Thats what the diff shop told me. They are also still going to look at the pinion angle.
