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Message: [QUOTE="boss300, post: 1540260, member: 12979"] I am running into the same problem with transmission shifting with multiple company's tuning. Once the torque converter locks up in my truck it wont unlock again until you get below a set mph. Some tuners have it at 30, some a little less like around 27. This annoys me due to the fact that when slowing down to just above 30 mph, the truck stays in 3rd with the converter locked so that when I try to accelerate, the engine lugs and smokes like crazy. This problem is even worse when pulling a large trailer. If I push the pedal hard enough to make the truck downshift, it keeps the converter locked for the downshift and then the next upshift resulting in very harsh shifting. I wish the converter would unlock when decelerating under 40 mph. When I tell the tuners this they are baffled and either say I have used this tuning for years with no complaints or a simple hmmm... What do your trucks do in this situation and are you happy with it? I have 250/200 injectors, a php hydra and all the supporting mods but this issue should apply to stock injector automatic trucks as well I would think. [/QUOTE]

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