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1999 to 2003 7.3L Power Stroke Diesel 7.3L Power Stroke Diesel equipped Super Duty and Excursion. |
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#1
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That's the beauty of being able to fine tune stuff.
I prefer my 1-2 shift at 15-18 MPH. It's high, but I like it. I prefer the 2-3 shift to happen at about 30 MPH. I like the 3-4 to occur at about 55 MPH minimum. That's just me. As far as the low boost fueling goes, the values represent a multiplier from stock. This limits the amount of smoke (and affects the "throttle response") when there isn't any turbocharger boost. Again, personal preference. You'll have to decide where your comfort zone is with turbo lag and smoke control....it will be different for every truck, so have fun with it! Regardless, the Evolution isn't going to let you get away with enough to break anything.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years. Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim. |
#2
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awsome info thanks. im just trying to figure out a good combo for my fuel economy/daily driving as well as a good setup for towing. do you have any suggestions on the settings for those two. im towing arround 12k to 16k just depends. i got 315/75-16 tires, edge evo, aem bruit force intake, wicked wheel, 4" turbo back stright pipe, bd wastegate, ccv mod, custom built shift kit and a heavy duity converter
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#3
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Usually, the lower the shift speeds, the better the economy. However, if you are shifting too early into certain gears while driving around town, you can end up lugging too much or constantly upshifting/downshifting. Higher LBF will usually help while towing to get the turbocharger spooled up a little bit better under load while limiting the LBF will help with economy while just cruising around.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years. Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim. |
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