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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?
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
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
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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