[Fot] engaging/disengaging the overdrive?

[Robert Deanes]

I do the same as Tony and have been running my drive since 2007 with no
problems, I  will probably have an issue now, I use the rpms and the OD to
keep the power going...love it.


On Mon, Nov 25, 2013 at 12:57 PM, Tony Drews <tony at tonydrews.com> wrote:

> 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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-- 
rob deanes
TR Racer