Torque converter lockup

[plumcolr]

My 06 torque converter locks upat 40 mph at light throttle. Since it is also in O/D at light throttle this means lockup occurs at about 1100 rpm and the beast is very sluggish until about 45 mph. . It doesn't lug but is very annoying.

Since most local traffic here is in the 35 - 45mph range it's constantly in and out of lockup.

My question is, is this a reprogrammable parameter? I've been getting around it by turning the O/D off for local trips (also annoying). It still locks up, but in 3rd gear at a much more comfortable 1500 rpm. I feel the drivetrain response would be much smoother with a higher lockup speed. I'm thinkin maybe 45 or 50 mph. Dunno where the cam position is at 1100 but suspect that may be why it's so sluggish.

BTW just towed a trailer from NJ to Fla and back, This thing pulls great at 65 - 75 mph but keep gas stations handy.

 

[Hamfisted]

Look at something like the Edge custom tuner. It has options for shift points and performance tuning. The stock factory programming is economy based.

https://edgeproducts.com/shop/ford-evoht2



-Mike

 

[1955moose]

Your actually supposed to keep your overdrive off in town. The overdrive band can be damaged if not enough load is applied to the band. This was a definite problem on the Aod's used on Mustangs, Thunderbirds, and Lincolns. The band was not wide enough, for the horsepower. That and most shops and individuals didn't use a pressure gauge to set pressure for band. As far as reprogramming the shift points, they say their is a procedure. One of the others can possibly chime in on how, or theirs almost always something online how to.

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