| quote>> Remember that the system won't shift emediately. It takes a few seconds 
for the pressure to build and the overdrive to engage. I think I've counted as 
much as 15 seconds with cold fluid. Its normally more like three seconds. 
<<quote
Rick,
a well maintained overdrive shifts immediately, mine sometimes that fast that 
it engages when I've put my finger on the switch without flicking it.
I'm no OD expert by far, but as far as I know pressure is built up in the 
system as soon as the car rolls. Switching the OD on releases the pressure to 
some (for me) mysterious ways, so that the OD engages. I'm sure a more 
knowledgable expert can explain it technically correct.
Eric            BT7
Heinsberg/Germany
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