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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Transmission Worries.

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Old Nov 13, 2014 | 02:53 PM
  #1  
reggieh11's Avatar
reggieh11
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From: Capac
Transmission Worries.

hey I have a 2004 6.0 Powerstroke with 175,000 miles on it. I recently installed an S&B cold air intake, custom 4" turbo-back straight pipe exhaust, bulletproofed, and now I just got a SCT X4 Flash programmer. I was wondering if I would be able to run the performance tune without having to worry about the transmission which is stock. or is that too much power for it?
 
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Old Nov 13, 2014 | 03:12 PM
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Jmoen7
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Others will be more specific, but i'm fairly sure you're no where near the hp needed to kill your transmission with a tuner and those upgrades. Stock should hold near 600 hp at the crank or something, not 100% but ballpark
 
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Old Nov 13, 2014 | 03:26 PM
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okay and do you know if there's any mileage increase on the performance tune or do you only get that on the street and tow tunes?
 
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Old Nov 13, 2014 | 03:43 PM
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Jmoen7
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Depends on your right foot, can be higher mileage usually, and can also be considerably less if you like your turbo to stay around 20 psi haha.

If your cruising the highway like normal you should see a better mpg than without the tune.
 
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Old Nov 13, 2014 | 03:52 PM
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Okay and this is my first tankfull with the programmer so I've had a lead foot like most people would. But next tank I'll calm it down and see what I get
 
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Old Nov 13, 2014 | 04:00 PM
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Jmoen7
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Not really a point in spending a whole tank checking MPG, if you have a 200 mile trip or something check it out then and you'll get your numbers
 
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Old Nov 14, 2014 | 11:17 AM
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Normally I avereraged 15.5-16 milers per gallon and with the tuner and a lead foot I got 15.1 running the street and performance tune. Just going to drive normal on the performance tune and see what I get
 
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