In a message dated 96-12-04 13:26:25 EST, bschooler@uhd2.uhd.com (BILL
SCHOOLER) writes:
> Sorry mate - wrong on both your assumption and your guess! The
> vacuum switch inhibited shifting out of overdrive under high manifold
> vacumm conditions, i.e., you have taken your foot off the throttle,
> coming down from relatively high rpm. This switch, and the
> protection it was supposed to provide, was deemed unnecessary with
> the newer overdrive unit. And the driveshaft is the same length for
> all models from 1968 on.
>
> Bill
>
Thanks to Bill and Jeremy, who also provided me with this information. For
the information on propellor-shaft length, I was going by the table in the
Haynes manual.
Still need the column-mounted wiper/OD switch, though.
Cheers,
Jim
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