[TR] Overdrive
EDWARD WOODS
fogbro1 at comcast.net
Fri Jul 21 17:06:15 MDT 2017
AFAIK, all A type Laycock overdrives utilize accumulators. It is one of the defining characteristics of the A type. The size of the spring determines the pressure in the accumulator. All "big" TR's, TR2 thru mid range TR6, used A types if they were equipped with factory overdrive.
Ed Woods
>
> On July 21, 2017 at 5:56 PM David Porter <frogeye at porterscustom.com> wrote:
>
> There are different versions of the A type Laycock O/D. Most Tr's were
> not equipped with an accumulator and used a bigger spring to help
> engage. Over the years, it's possible that other versions were fitted
> that have a "gentler" and somewhat slower engagement.
>
> DaveP
>
> On 7/21/2017 3:38 PM, hdrider570 at att.net wrote:
>
> > >
> > Depends on whether it is an "A" type or a "J" type. An "A" type
> > should engage almost instantly. A "J" type takes a few seconds. The
> > time varies with the speed of the car. The faster you go the faster
> > it engages.
> >
> > Edward Hamer
> > Petaluma CA
> >
> > ** triumphs at autox.team.net **
> >
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> >
> > >
> --
> Dave Porter Porter Custom Bicycles 2909 Arno St. NE Albuquerque, NM
> 87107 505-352-1378 Go HERE: my world www.porterbikes.com/
>
> ** triumphs at autox.team.net **
>
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