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Message: [QUOTE="Powerstroke Man 6.4, post: 1458556, member: 4573"] Since the Patriot, team rarely get on here I wrote up a post for you all that don't have Facebook. My post below. Hey guys, Patriot Diagnostics (formerly Spar-tan) Version 10.00 standard and SOTF (Shift on the fly) W/ OST (on screen tuning) for the 2008-2010 6.4 released today, the standard files and OST update will be free. This brand new update let's you tweak shifting and other parameters to your liking. Base files are all new, built from the ground up these new Patriot files don't even compare to the older (spar-tan) files.. all previous issues that the older spar-tan files had are now gone. No more harsh shifting, touchy throttle or rev slams, these issues are all solved with the new files. Truck drives with stockish manners under 50% throttle and shifts are near stock. Shifting at WOT is firm but not overly firm and jolty like the old (spar-tan) files combine all this, with the available SOTF (shift on the fly) and OST (on screen tuning) is basically custom tuning in you hands, in a few mins and a few clicks you can have a "custom tune" tailored to your liking for example shift firmness or hard parts modifications. Including turbocharger configuration, high pressure fuel system configuration, built transmission selection and many others all done on screen via a patriot tuning device. SOTF is a 4 position hard wired (plug and play) switch, which will let you switch through 4 different tunes on the fly, this is not like previous methods of SOTF for the 6.4 that only changed IPW for every "tune" leaving more to be desired. No transmission relearn needed while switch though all 4 positions, change positions as you please. Patriot's SOTF solution is a very advanced method which changes, VGT, transmission shifting, injector timing etc making every tune its very own with different power and driving characteristics. If you already have a Patriot (spar-tan) device and don't want SOTF and just the standard V.10.00 OST update and files. Email [email]sales@patriotdiagnostics.com[/email] and request version 10.00 Standard (non SOTF) OST and files, be sure to have your device serial number handy when emailing sales. If you want to purchase the SOTF switch and software, price is $200 + shipping. [/QUOTE]