Tuning your SCT Xcal - Ford Powerstroke Diesel Forum
6.0L Performance Parts Discussion What has or has not worked for you?

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post #1 of 12 Old 09-11-2007, 11:02 AM Thread Starter
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Tuning your SCT Xcal

I bought mine from DJ's was curious to know if I need to go through and do my axle ratio and tire stuff. I thought these came customed tuned to my application?

Thanks

Paul
2005 F250 4X4 CC 6.0 FX4 Lariat
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Lots of Toys, cylinder count is now 31:
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post #2 of 12 Old 09-11-2007, 12:20 PM
im fat and ugly


 
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i never messed with any of that and mines been runnin good, the only thing i changed was set my speed limiter to off

2004 Excursion
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post #3 of 12 Old 09-11-2007, 12:23 PM Thread Starter
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10-4, mine just seems to not have as much punch as I want out of looney. it smokes like no tommorow but the power is not what I expected. Or maybe I am getting used to it and need more

Paul
2005 F250 4X4 CC 6.0 FX4 Lariat
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Lots of Toys, cylinder count is now 31:
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post #4 of 12 Old 09-11-2007, 12:30 PM
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call vivian and tell her whats up, they can make it hotter

2004 Excursion
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post #5 of 12 Old 09-11-2007, 12:43 PM Thread Starter
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Have to do guages before I do that.

Paul
2005 F250 4X4 CC 6.0 FX4 Lariat
All stock
Lots of Toys, cylinder count is now 31:
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post #6 of 12 Old 09-11-2007, 08:30 PM
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You should have gotten an email from Vivian with a web site where you input your tire size, and it converts it to a number that you set the xcal to. Hope this helps. As far as the axle ratio you can get that of the data plate on the door jam.
Here is the link to the tire calculator we use: Tire size calculator. It only works with the metric tire system. If you have standard dimensions, please convert them to metric with this calculator: Metric Tire Conversion Calculator - Red Rock 4x4

2004 F250 Harley Davidson 4x4 6.0
Edge insight monitor
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ARP studs
Black Onyx gaskets
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SCT tunes by Vivian

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post #7 of 12 Old 09-11-2007, 09:24 PM
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you may also be running out of fuel and that's why it doesnt seem as powerful as you'd expect.
upgrade your fuel system/injectors/fass/return xover kit and you see more gains with SCT
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post #8 of 12 Old 09-12-2007, 03:30 AM
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i'm glad you brought this up! i have never really checked to see whats all on the sct till last night, but from the tire/axle ratio screen if you scroll down there is a ton of things you can change. i havent seen anyone put up a post about changing any of the parameters, nor did i experiment . they might already come totally tweaked for that paticular tune. has anyone changed thiers? i wonder how much of those parameters the person writing the files already has changed?

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Suncoast Trans, MTW Stage 2, Warren 175/75's
Tuned by Tony Wildman- 515rwhp/973rwtq

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97 F.350 Reg Cab 7.3 New Trans w/ upg. converter, no cat, AFE intake.


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post #9 of 12 Old 09-12-2007, 06:12 PM
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wow, nothing on this topic?

06 F.350 Lariat. Daily tower.
Suncoast Trans, MTW Stage 2, Warren 175/75's
Tuned by Tony Wildman- 515rwhp/973rwtq

06 F.550 4WD 12ft Rugby Landscape Body

97 F.350 Reg Cab 7.3 New Trans w/ upg. converter, no cat, AFE intake.


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post #10 of 12 Old 09-12-2007, 06:17 PM
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I knew you can change a lot on them...but I DO NOT know even remotely close to even think of trying to change any of it on my own....I just put my trust in my tuner, and so far it has paid off.

Eric
2007 F250 6.0l King Ranch CC LB
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Eclipse AVN62D; High Idle Mod; BFG ATs 285-65/20s

Truck- 12.51sec @ 108mph @ ~7700lbs (1/4 mi)
Cooler- 39.93sec @ 12.12mph @ ~180lbs (1/8 mi)

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