Quote:
Originally Posted by ever_green
I usually can tell by looking at tachometer. When rpm falls without changing gears. Usually torque converters lock up above 30mph under light throttle right away if the car is fully warm.
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In my truck TC locks at 80 kmh. Also it unlocks when you remove your foot from throttle you start coasting. Now My TC locks at 65 kph and doesn't unlock untill speed falls bellow 59 kmh. Engine rpm without TC lock is 1400-1500 @ 65 kmh and with lock is 1100 @ 65 kmh. TC lock also helps to slow down by holding engine engaged saves break pads etc....
Today I had a trip to US about 200k and I can definitely say I LOVE IT.