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Old 12-15-2017, 03:52 PM   #40 (permalink)
1995 Previa LE S/C Driver
Join Date: Dec 2009
Location: Stillwater, America
Posts: 59
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I view this as sacrificing engine warmup to try to warm the transmission. It seems any mechanical efficiency you might gain with the transmission would be lost if the engine itself isn't running at its peak efficiency.

It might be better to just install an electric pad heater to the transmission (granted, it's only useful if you can plug it in).
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