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Originally Posted by Brian Carlton
Wrong again.
The transmission is not dissipating anything. It's just sitting there with torque on its input shaft and through its gears and out through the drive shaft to the rear wheels. There is no wear on the transmission.
The dissipation of the engine output torque is performed by the torque converter in the form of heat. The torque converter is more than capable of handling three seconds of full engine output torque without overheating the fluid.
The strain of a short period of brake torque has no relevance to pulling a heavy trailer for an extended period of time. Totally different and irrelevant situation. Maybe you ought to stop speaking to these so called "mechanics" and listen to someone who knows how a transmission operates.
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no..then exactly where is the rotational energy of the crankshaft going if its not in neutral? That torque converter IS dispating that energy right up until it hits its stall speed......and trans hydraulic pressures do climb quite high during that time.
Talk to drag racers because that is exactly how they stage a car until launch...and thats damned hard on a transmission...lotta transmissions die right at that time.
Heck talk to Roy...........WHunter.. He will tell you the same.