Just got my SCT x3, Holy ! - Ford Powerstroke Diesel Forum

6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 28 Old 10-31-2007, 08:49 AM Thread Starter
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Just got my SCT x3, Holy $hit!

I actually got it Monday but when I called Vivian with my stategy she said it was old and suggested I get the truck re-programmed at the dealer. The new programming would work better with the SCT tunes she said. So, I did it today. Once I left the dealer I didn't want to wait to get the new strategy off to Vivian so I pulled into a parking lot and retrieved it for her. She confirmed that it was the latest and I went ahead and loaded the performance tune that came on the X3. I figured I'd run the canned tune until she can get me the custom tunes so I can compare. Holy $HIT!!!!! I can't take off without breaking the tires loose........Then I noticed at 75 my computer was regestiring 22 mpgs once I got on the HWY. The trip there at the same speed I was regestiring 16.5. I reset the MPG computer to validate and sure enough, 22! The computer is very accurate too.

If I get this kind of performance from a canned tune what is DJ's gonna be like....

I'm sorry I read about SCT for sooooo long without ordering but can honestly say that this is the single most impressive mod I have ever done to any vehicle bar none. As an added bonus I can now hear my 4 inch Magna Flow exhaust. Before it sounded stock......

Anybody on the fence get the hell off and order a SCT!

05 F-250 6.0 Lariat, FX4, 4x4 Crew Cab, Torqshift, 3.73, Power Sun/Moon Roof, SS 4in Magnaflow Turbo Back w/cat delete, Zoodad, EGR delete w/FCPD UP pipe, SCT Xcal 3, HID Light Kit, 5w-40 Rotella T6, Century Fiberglass Cap
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post #2 of 28 Old 10-31-2007, 08:56 AM
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Yeah the SCT is AWSOME!!!!!! Just wait till you get the files from Vivian. It will blow your mind. But on a side note the computer is called the lie-O-Meter. Its 99% of the time wrong. Like mine says i am getting 23mph on the highway. but im only getting 16.22 hand calculate it.

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A 7.3 with an edge should never get into a race. Unless it's with a kid on a bicycle.. and the bike has a flat.
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post #3 of 28 Old 10-31-2007, 08:59 AM
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Better put on your Depends before you drive with custom Looney.

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post #4 of 28 Old 10-31-2007, 09:01 AM Thread Starter
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Oops, I was so excited I put this in the wrong forum.....sorry.......
As far as the MPG computer goes I beg to differ. Mine has been spot on. And yes I have checked it numerous times.

05 F-250 6.0 Lariat, FX4, 4x4 Crew Cab, Torqshift, 3.73, Power Sun/Moon Roof, SS 4in Magnaflow Turbo Back w/cat delete, Zoodad, EGR delete w/FCPD UP pipe, SCT Xcal 3, HID Light Kit, 5w-40 Rotella T6, Century Fiberglass Cap
68 Ragtop Vette
03 Honda CBR1100XX BlackBird (180+ MPH)
05 Yamaha Warrior (snowmobile)
08 Yamaha FJR1300
09 VW Jetta TDI (50+MPG's)
11 Suzuki 750 King Quad
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post #5 of 28 Old 10-31-2007, 09:08 AM
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Dont worie about it in the wrong spot im sure one ofthe mods will move it for ya. Mine was on too alot of the time, but when i uploaded the sct it went crazy showing a really high number. from 12-16 to 22 most of the time.

-Bobby Crews- AKA Dr. Cookie Cutter!

2012 Ford F150 Ecoboost
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A 7.3 with an edge should never get into a race. Unless it's with a kid on a bicycle.. and the bike has a flat.
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post #6 of 28 Old 11-01-2007, 08:56 PM
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It might have been spot on before but now that you reprogrammed the computer it will be off. I guarantee it.

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post #7 of 28 Old 11-20-2007, 10:18 AM
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yeah man, the onboard comptuer reads throttle postions and relates it to fuel flux. Since the SCT increases fuel pressure your computer is all outta wack. I drove around in my buddies dodge that makes 600HP and the comptuer said we were getting 23MPG and we were only getting about 17.5.
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post #8 of 28 Old 11-20-2007, 10:42 AM
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I'll never understand it. Mine still works as well as it ever did. If I reset it at fill-up and don't touch it until the next fill, it is always within a few tenths of the hand calculation. They are not accurate if you reset it even once between fill ups.
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post #9 of 28 Old 11-20-2007, 10:50 AM
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you guys are KILLING me, I'm waiting for my tuner ever so patiently, but I dont know how much longer I can hold out
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post #10 of 28 Old 11-20-2007, 12:37 PM Thread Starter
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Well, my puter must be in the minority also.......It's been a few weeks now and it's still spot on from my hand calculations

05 F-250 6.0 Lariat, FX4, 4x4 Crew Cab, Torqshift, 3.73, Power Sun/Moon Roof, SS 4in Magnaflow Turbo Back w/cat delete, Zoodad, EGR delete w/FCPD UP pipe, SCT Xcal 3, HID Light Kit, 5w-40 Rotella T6, Century Fiberglass Cap
68 Ragtop Vette
03 Honda CBR1100XX BlackBird (180+ MPH)
05 Yamaha Warrior (snowmobile)
08 Yamaha FJR1300
09 VW Jetta TDI (50+MPG's)
11 Suzuki 750 King Quad
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