Ordered SCT X3 tuner from VMP!
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Joined: Jul 2009
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What are your settings for trans shift firm?
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Joined: May 2009
Posts: 338
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From: MN
I travelled over 300 miles last night on my 87 mileage tune and didnt even use half a tank...My tank is 35 gallons, so with rough calculations (no Lie meter) I believe I got right around 18 MPG with all freeway driving 
And thats with 33x12.50 Toyo Mud Terrains. But I wont be able to tell for sure until I fill up again. I am a little sketched out after the tunes on whether or not my speedometer is correct though....And Im not sure how accurate the mile markers on the freeway are, but it seemed like I was going roughly 1.1 to 1.2 miles on my odometer to every 1 mile marker 
And thats with 33x12.50 Toyo Mud Terrains. But I wont be able to tell for sure until I fill up again. I am a little sketched out after the tunes on whether or not my speedometer is correct though....And Im not sure how accurate the mile markers on the freeway are, but it seemed like I was going roughly 1.1 to 1.2 miles on my odometer to every 1 mile marker I had to gps mine. the 33 would be 600 revs. so you may need to alter the revs slightly to get it on track.
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Joined: May 2009
Posts: 338
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From: MN
Yes the truck feels better with the modified tunes. I let justin know it was beter so he sent my the corrected tow and mile tunes so i will give them a shot. so Great service from Justin.at VMP
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Joined: Nov 2008
Posts: 15
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From: Lafayette, La.
I ordered one April 1 and never got an order confirmation and i sent Justin and email last week and he never responded and i called him today and so am i supposed to get an email saying that i ordered one?
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Joined: Jan 2009
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From: Dubai - UAE
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Joined: Sep 2007
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From: St. George, UT
Wow! Ordered my VMP SCT X3 on the 5th this month. Instant registration verification and instant order verification for me as I followed instuctions on the web site. My tuner arrived today. Loaded in about 5-10 minutes and my truck flys! Can't understand why you wouldn't get yours.
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Joined: Nov 2008
Posts: 15
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From: Lafayette, La.
I just got my tuner in yesterday and tryied installing it today and after i installed it wouldnt start and and read what to do and it and it said to and i didnt see an attachment for the tunes but i thought they were already loaded on the device. Can someone help me out.
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Joined: Aug 2007
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From: Among javelinas and scorpions in Zoniestan
I just got my tuner in yesterday and tryied installing it today and after i installed it wouldnt start and and read what to do and it and it said to and i didnt see an attachment for the tunes but i thought they were already loaded on the device. Can someone help me out.
Who did you get this programmer from? My first response would be to contact the distributor of the device and explain your problem to him. You mentioned Justin once before, I know if you got the programmer from him he WILL help you out.
- Jack
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Joined: Nov 2008
Posts: 15
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From: Lafayette, La.
I'm not really sure what you're asking. Are you saying you have a programmer but that it doesn't seem to be working or that you tried to upload a tune to the PCM and now your truck won't start?
Who did you get this programmer from? My first response would be to contact the distributor of the device and explain your problem to him. You mentioned Justin once before, I know if you got the programmer from him he WILL help you out.
- Jack
Who did you get this programmer from? My first response would be to contact the distributor of the device and explain your problem to him. You mentioned Justin once before, I know if you got the programmer from him he WILL help you out.
- Jack
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Joined: Mar 2010
Posts: 123
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From: Ft. Lauderdale, Fl.
x 2!! I don't know what I was really expecting, but the power increase I got was very nice! No hesitation from a stop and higher shift points. It made this 6000 lb sled feel like it had some real power. I have the 89 performance tune and I wonder how much torque/horsepower it added. Feels like 25 - 30 hp easily!
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Joined: Nov 2008
Posts: 15
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From: Lafayette, La.
He sent me the tunes this morning and I treid loading them on to the programmer but it is have some issues loading them on and downloading the firmware and its started to get really aggravating. I tried calling him again but he didnt answer. Can anybody help?