At 05:58 PM 6/28/2007, Mike S wrote...
>With a properly operating lifter, you could open up the adjustment
>leaving a big air gap, wait some undefined amount of time (maybe
>hours), and the lifter would expand to its maximum length.

I should correct this. A lifter which operates as designed should
expand fairly quickly. You can have one which expands slowly, but still
works OK.