| [GMCnet] Switch pitch questions [message #184379] |
Thu, 13 September 2012 20:45  |
GMC_LES
Messages: 569
Registered: October 2009
Location: Montreal
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I just finished reading a bunch of interesting stuff about the switch pitch tranny. It apparently has a different pump housing that incorporates a pressure control system for the torque converter. It apparently maintains a lower pressure than the later non SP transmissions.
What I read was all commentary by individuals supposedly well versed in SP technology. If this info is true, then wouldn't a SP tranny provide a reduced risk of engine thrustbearing stress?
This isn't suggesting that all the non SP transmissions are undesirable, It just suggests another advantage of running a SP setup.
Anyone able to confirm any of this as I don't now if the pressure differences are large enough to make a difference.
Les Burt
Montreal
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Les Burt
Montreal
1975 Eleganza 26ft
A work in Progress
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