[TR] Overdrive

[Dave]

Indeed.  The A-type fitted to the big Healeys had a sleeve, smaller piston and spring to reduce the shock on engagement.  Possibly the same on the Stag.  I fitted these parts to my TR3 OD for a softer engagement.  It still engages instantaneously .  The TR6 with the J-type is a different story.

 

 

Dave Massey


 

 

-----Original Message-----
From: David Porter <frogeye at porterscustom.com>
To: triumphs <triumphs at autox.team.net>
Sent: Fri, Jul 21, 2017 5:18 pm
Subject: Re: [TR] Overdrive

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
>


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