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<p>The BN1 and BN2 contained quite a few BSF fasteners and a few Whitworth. The transition to the 6 cylinder cars also eliminated most of the Whitworth pattern fasteners and used the unified thread type (UNF or UNC) instead. These match SAE standard. There
may be a few carry overs on the early 6 cylinder chassis as I remember the captive nuts for the exhaust hangers on my BN4 were BSF.</p>
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<p>Bill Lawrence</p>
<p>BN1 #554</p>
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<div id="x_divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Healeys <healeys-bounces@autox.team.net> on behalf of Oudesluys <coudesluijs@chello.nl><br>
<b>Sent:</b> Monday, December 12, 2016 8:17:07 PM<br>
<b>To:</b> healeys@autox.team.net<br>
<b>Subject:</b> Re: [Healeys] Healey Screw Threads</font>
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<div class="PlainText">I would say both plus a few more!!!!! BA, BSW, UNF etc.<br>
Kees Oudesluijs<br>
<br>
<br>
Op 12-12-2016 om 17:22 schreef Neil McDonald:<br>
> Pleased to be back on this very informative list, after almost a decade, having recently taken the cover off my BN6 and am now planning a refurbishment programme over the winter.<br>
><br>
> I am visiting the U.K. at present and can pick up a tap and die set at a very reasonable price. Is the Healey (excluding the gear shift nob!) predominantly Whitworth or BSF (British Standard Fine) threads?<br>
><br>
> Neil<br>
> _____________________<br>
> Neil McDonald<br>
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