Quote:
Originally Posted by apgrok1
A quick calculation shows that stator rpm in top gear at 30 mph is 1090rpm. If the stator is running faster that the engine by 25%, then engine rpm is 812, which is probably lower than idle. Also, the slower the TC speed, the less efficient it will be. There is probably an exponential drop off in which the TC housing would finally quit turning.
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My engine idles around 700rpm. Smaller engines idle faster, YMMV