[Fot] Spit or GT6 diff ratio?

[Mike Harmuth]

>From TriumphSpitfire.com reference section
(Thanks to Shawn Frank)

4.875:1948cc Herald Saloon (G case #) (not interchangeable with 4:55:1)

On Mon, Nov 24, 2025 at 1:34 PM James Palmer via Fot <fot at autox.team.net>
wrote:

> I have what looks like a Stanpart ring and pinion for a “small” Triumph.
> In a StanPart box, but the part number is illegible.  By my count,  the
> pinion gear has eight teeth and the ring gear has 39 teeth.  4.875:1?
>  What Triumph used that ratio?
>
> Jamie Palmer
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