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·This post got lost in the shuffle. Tested an 07 6x6 ranger last weekend in 20 degree weather running against the wind with stock ecu 5900 to 5950 rpms and a speed of 40 mph. Bolt on one performance ecu running against the wind 6100 to 6200 and a speed of 44 to 45 mph. I even had two buddies try it and they could not believe the diffrence. I will be testing on the 07 700 XP ranger this weekend and I will let you know what happens. If you have any questions call Dale at 715-294-4575 or email at [email protected]