[Fot] engaging/disengaging the overdrive?

[Tony Drews]

I give a very brief lift when upshifting unless I don't.  :)  Like at 
the start of the race I keep my foot flat, but later when I'm not 
side by side with someone I'll give it a brief lift.  Shifting out of 
OD is normally done under braking.  You can leave it OD when shifting 
from 3rd to 4th, but I'd almost always go from 3OD to 4 then to 4OD 
to keep the revs up.  On the downshift, sometimes I'll leave it in OD 
- like go from 4th OD to 3rd OD because the corner wants that ratio.

Cheers, Tony

At 10:53 AM 11/25/2013, Scott Janzen wrote:
>all this talk about overdrives made me realize I don't know the proper way to
>use one - I am taking the TR4 to the Turkey Bowl at Summit Point this weekend
>(supposed to be dry but cold) and this year, the overdrive is working - last
>year it wasn't (loose connection - easy fix).  So, it's the first time I've
>actually driven a car with overdrive, as none of my previous LBCs or BBCs have
>had one.
>
>Do I:
>- keep my foot to the floor on the upshift
>- momentarily lift
>and on the downshift:
>  - keep the revs up
>  - turn the OD off at the same time as downshifting for the turn while the
>clutch is depressed?
>
>I'm assuming I can stay in OD and shift between 3rd and 4th normally?
>
>I'm looking for both the "preserve the unit" answer and the "what can I get
>away with and for how long" during racing answer.
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