The SU carbs have Whitworth size nuts on them.
ZoboHerald@aol.com wrote:
>In a message dated 9/5/2003 7:39:55 PM Eastern Daylight Time,
>rhjgaj@pacbell.net writes:
>
>
>
>>I'm surprised that no responded to the inquiry about TR3 bolt head sizes
>>and explained that the bolt heads of "Whitworth" English bolts do not
>>conform to the American bolt head sizes. Therefore US wrenches will
>>either be too small or will slip.
>>
>>
>
>OK, someone will happily correct me if I'm wrong here, but I don't believe
>one will find many "Whitworth" or other older British-style fittings on the
>TR.
>ISTR that Standard Motor Company was one of the earlier automakers in England,
>after World War II, to go to primarily "US" fittings, with some notable
>exceptions on various components made by outside suppliers such as SU or
>Lucas.
>
>--Andy Mace
>
>
>
>
>
>
--
George Richardson
1957 Triumph TR3 - TS15559L http://www.key-men.com/triumph
1975 Triumph TR6 - Undergoing restoration
1972 Triumph Stag - Daily Driver
Key Men: Keys for Classics - http://www.key-men.com
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