Using a Livernois "MyCalibrator" tuner at 11K miles, I re-flashed my `23 XL's 2.3L ECU with their 91/93 octane turbo tune. I thought the process was a little complicated but, by carefully following their instructions, I had no problems--their software worked well. I've only made one brief test run but the performance, throttle response and transmission shifts are
*GREATLY* improved and I'm stoked. The lightweight, 2WD Ranger now runs the way I think it should...! An extra 100 ft/lbs of torque, 53 RWHP and snappy shifts make it quick. Driving is
really going to be fun now.

In today's world of declining customer service, Livernois was totally excellent with communications, response times and technical expertise. I happily recommend them.
My Ranger on the Tail-of-the-Dragon, TN.
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