Must be to keep from over revving? Sure not what I would expect
>-----Original Message-----
>From: Bill Schooler [SMTP:schooler@erols.com]
>Sent: Wednesday, April 23, 1997 6:45 PM
>To: Randy Rees
>Cc: 'Thomas_Mitchell@notes.amdahl.com'; 'mg'
>Subject: Re: overdrive
>
>Randy, et al,
>
>Oops! I knew I should have checked the manual before I "opined"! The
>vacuum switch inhibits DISENGAGEMENT of the overdrive at high manifold
>vaccum levels, not engagement as I had previously written. And that's
>all it does - no other effect on operation.
>
>Bill
>
>Randy Rees wrote:
>>
>> The vacuum switch is just so if your in OD and really put your foot into
>> it (like to pass) it will automatically drop out of OD. Not really
>> needed but nice. BTW it was also an option and not all OD equipped cars
>> have it.
>>
>> >-----Original Message-----
>> >From: Thomas_Mitchell@notes.amdahl.com
>> >[SMTP:Thomas_Mitchell@notes.amdahl.com]
>> >Sent: Wednesday, April 23, 1997 12:42 PM
>> >To: mgs@autox.team.net
>> >Subject: overdrive
>> >
>> >
>> >
>> >
>> >
>> >HI, I have a 1966 MGB-GT and I have overdrive type D and transmission
>> >coming to my house and I am
>> >researching what it will take to install them.
>> >I cannot find the vacuum switch and have been told that they only used in
>> >on the early overdrives and then got rid of it.
>> >I have been told that I really don't need it, can I get another source on
>> >if this is indead true? I hate to go through all
>> >this expense and mess up my new overdrive. Can anyone help?
>> >
>> >Tom MItchell
>> >1966 MGB-GT
>> >
>> >
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