[TR] Paint codes on TR differential housings to indicate ratio inside?

[Geo Hahn]

>From the archives...

http://www.team.net/html/triumphs/2006-11/msg00585.html

No idea if this was ever substantiated.

Geo

On Thu, Aug 23, 2012 at 7:46 PM, Don Hiscock <don.hiscock at gmail.com> wrote:

> A member of our community mentioned in a side conversation that he's
> observed, but never quite figured out, the code behind a stripe of paint
> splashed across the differential housings of sidescreen TRs and TR4s.
>
> He had a car with one green stripe -- simply a passing brush stroke from
> 10:00 to 2:00.  About 3/4-inch wide x 3-inches long.  His recollection was
> that this indicated a 4.1 rear end.  No idea if there was a corresponding
> color for a 3.7 rear.
>
> Anybody capable of adding to or upgrading that?
>
> Don