Blake,
Please don't get carried away, they're talking about wrenches, not exotic
threads. When working on the SU HS4's on my 77B, my TD's Whitworth wrenches
come in handy.
Bullwinkle wrote:
> FWIW:
>
> <<<snip>>>
> Whitworth was used by MG's suppliers such as SU
> carburetors
> <<<snip>>>
>
> I may be partially wrong on this, but I thought that SU
> used on their carburators and fuel pumps British
> Association (BA) fasteners which are different than
> Whitworth and BSF. They were quite often used on
> anything with fasteners under 1/4 BSF. This system can
> be compared to our 8-36, 6-40, etc, system, but it is
> not identical to it.
>
> So with us T type owners we have on some of the TD's
> and later:
>
> 1) British Standard Fine (BSF) (body components)
>
> 2) French Metric with Whitworth wrench sizes sometimes
> called Nuffield's Mad Metric (Mainly engine and
> transmission)
>
> 3) British Association (BA) used on carbs, fuel pumps,
> other small items
>
> 3) Unified, very close to SAE Fine, and used on the
> rear axel
>
> I don't know of any place true Whitworth (a course
> thread) is used.
>
> Blake
--
Bud Krueger
http://home.ici.net/~bkrueger/
52TD
77MGB
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