I don't know much about the TR3, but a lot of old electrical equipment in
the UK used BA (British Association) threads for the small bits and post
terminals ... the following website gives some further info
http://www.bhi.co.uk/hints/bathrd.htm. I think Lucas used 6, 4 and 2 BA
threads ... ((larger number = small thread).
**************************************
Tony Gordon
72 TR6
**************************************
----- Original Message -----
From: "Randall" <tr3driver@ca.rr.com>
To: <triumphs@autox.team.net>
Sent: Monday, November 12, 2007 1:44 PM
Subject: Re: [TR] TR3A fuel gauge brass nuts
>> Anyone have proof for or against the 8-36 thread for the
>> terminal posts on the
>> back of a TR3 fuel gauge? The thread gauge I tried didn't
>> have a 36 thread per inch thingy.
>
> Not proof ... but I'm pretty sure I determined that the mounting post
> threads were an oddball metric/Whitworth rather than 8-36. I may be able
> to
> check tonight.
>
> Randall
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