Hi David,
The primary purpose of the OD is to reduce wear and fuel consumption.
Used for that, the thing to do is to shift into OD when you reach
cruising speed.
For fun, though, you can run through the sequence of 1, 2, 3, 3OD, 4,
4OD, etc and, in competition use, some drivers will take advantage of the
"split the difference" gearing of 3OD betwen 3 and 4.
I would not leave the switch ON, though, because the OD will engage by
itself at about 25 mph, which means that the engine bogs down just at the
time you might be wanting that acceleration.
Bob
On Fri, 31 Oct 97 21:11:21 UT "David Stecher"
<DavidAndMichelleS@classic.msn.com> writes:
>OK,
>
>I've been reading all this stuff about overdrives and I have a
>question.
>
>Would someone please enlighten me on the use of the overdrive?
>When I am driving I get to speed and then engage the overdrive. Is
>this
>correct? Or should I just leave it on and let it take care of it self?
> All
>the talk about how expensive OD's are I'm a little scared that I'm not
>right.
>
>Thanks
>
>David Stecher
>Urbandale IA.
>"73MGBGT Fergie
>
>
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