Torque Converter lock/unlock speeds? 4L60
06-26-2015, 06:57 AM
#1
Torque Converter lock/unlock speeds? 4L60
What mph should I set in TUNERCAT for converter to lock and unlock at?. 396LT1 2800Rpm Vigilante and 3.73 gears in Corvette. 4L60/700R4.Right now its set at lock at 52 and unlock at 42. Not sure if those speeds are right. I do have abit of sbudder in the 45 mph area at cruise. Tune is good.
06-27-2015, 08:23 PM
#2
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Car: 1988 Gta trans am project 1-1/2
Engine: 86 4 bolt main cammed sbc 355 hsr
Transmission: 89 wc bw t5
Axle/Gears: Bw 9 bolt (3.27) pbr 11in
Re: Torque Converter lock/unlock speeds? 4L60
Good locking speed for the 700r4 is around 45-50 when in od for it to lock up anything below will unlock it
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