06-10-23, 10:26 PM
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Member
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Join Date: Apr 2021
Posts: 409
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Further investigation tells me that there was only one ratio for the 46RH and this was indeed 0.69:1
This suggests that in Andrew's test there was far more slippage at 1850RPM than at 2400RPM. If anyone out there understands torque converters, slip, stall speeds etc they are probably marvelling at my lack of understanding and screaming "of course!" at the screen. If so, please enlighten us. i need to understand in order to arrange automatic switching of overdrive and lockup. It seems to me that in Andrew's example that switching in overdrive without lockup will introduce significant slippage with attendant heating of transmission fluid and loss of MPG.
Andrew -if possible at some stage please can you briefly switch in lockup only at both 1850RPM and 2400RPM and let me know how much the revs drop?
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