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Unread 08-02-2013, 10:15 PM   #826
BurmaJack
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funny thing I'm just running 245 70 17's and my odometer is on the other side of inaccurate, I'd say 75 metres short of a km. When I switch to 265 70 size I'm waiting a while before re-calibrating the odo/speedo. My odo is just under 80k but probably 10k less than that in reality.

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Unread 08-03-2013, 06:22 AM   #827
scootr29
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Quote:
Originally Posted by Chirpz
Hmmm.... you folks that use oversize tires..... have you checked your odometer for accuracy? Clocked it against a measured mile, or compare with a gps?
Always verify by GPS....
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Unread 08-05-2013, 08:36 PM   #828
terrasmak
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Anyone else have glow plug problems after the GDE tune, less than a week after i installed mine i lost the #5 glow plug. Didn't really think twice about it , but my dad got the GDE tune for his a few weeks back and he got the #5 glowplug code today. Possible the glow plugs died, YES, possible it has something to do with the tune YES.
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Unread 08-05-2013, 09:17 PM   #829
manny31
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My speedo is off 3 miles at 70. I adjust when I do my math
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Unread 08-05-2013, 09:41 PM   #830
Chirpz
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Quote:
Originally Posted by terrasmak View Post
Anyone else have glow plug problems after the GDE tune, less than a week after i installed mine i lost the #5 glow plug. Didn't really think twice about it , but my dad got the GDE tune for his a few weeks back and he got the #5 glowplug code today. Possible the glow plugs died, YES, possible it has something to do with the tune YES.
No Problems with mine. I've had the tune for over a year and I took a very long trip immediately after installing it....like 5,000 miles....pulling trailer too.
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Unread 08-06-2013, 12:24 AM   #831
terrasmak
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Quote:
Originally Posted by Chirpz View Post
Hmmm.... you folks that use oversize tires..... have you checked your odometer for accuracy? Clocked it against a measured mile, or compare with a gps?
I have 245/70-17 on mine, speedo is dead nuts accurate, was off by 3 mph with stock sized tires. The odometer is now off a few, havn't logged a trip off GPS to find out how far it is. Don't really care, im putting less miles on it with the tires.
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Unread 08-06-2013, 08:31 PM   #832
sshaughn
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I'm sure this has been discussed before but I assume there is a way to change the speedometer calibration to compensate for bigger tires?
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Unread 08-07-2013, 06:48 AM   #833
TurboDiesel
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yea a dealer starscan...i dont think there are any tuners for the diesel that can change for tire size...not 100% sure tho
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Unread 08-07-2013, 06:52 AM   #834
LJS8510
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Dealer Starscan can do some sizes, but has has its limits.
My dealer tried to update speedo for 265/70/17 but couldn't.
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Unread 08-07-2013, 05:55 PM   #835
jjt250
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Yeah I heard the Starscan can only do a few tire sizes. I believe the AEV EGR module (from the Superlift) can adjust tire sizes for all WKs.
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Unread 08-07-2013, 06:43 PM   #836
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Correct, along with hypertech etc. Just getting hard to find an AEV EGR now....
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Unread 08-08-2013, 06:07 AM   #837
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Getting close to pulling the trigger on an eco tune. Im very excited for the fuel economy bump )
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Unread 08-08-2013, 08:38 PM   #838
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Quote:
Originally Posted by DanG28 View Post
Getting close to pulling the trigger on an eco tune. Im very excited for the fuel economy bump )
Pull the trigger. Pull the trigger. You will be glad you did.
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Unread 08-09-2013, 10:15 AM   #839
dieseljeep07
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Dan, I just ordered mine yesterday and it looks to be waiting for me when I get home.
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Unread 08-09-2013, 01:27 PM   #840
DanG28
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Quote:
Originally Posted by Chirpz View Post
Pull the trigger. Pull the trigger. You will be glad you did.
K. You talked me into it.
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