<div dir="auto">Better still get some of these:<div dir="auto"><br></div><div dir="auto"><a href="https://mossmotors.com/bracket-rear-air-cleaner?assoc=19384">https://mossmotors.com/bracket-rear-air-cleaner?assoc=19384</a><br></div></div><br><div class="gmail_quote"><div dir="ltr">On Thu, Nov 22, 2018, 12:48 PM Bob Spidell <<a href="mailto:bspidell@comcast.net">bspidell@comcast.net</a> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<p>I've not tried this, but my first thought is that the aluminium
bodies of the SUs would be too soft; eventually, you might strip
the threads (esp. if trying to get a good seal with the filter).
Why not do what you're likely to end up doing anyway: installing
thread inserts (Helicoil or similar). I think 5/16" bolts would
be sufficient.<br>
</p>
<p>Bob<br>
</p>
<div class="m_-8138121852727981470moz-cite-prefix">On 11/22/2018 6:15 AM,
<a class="m_-8138121852727981470moz-txt-link-abbreviated" href="mailto:simon.lachlan@alexarevel.plus.com" target="_blank" rel="noreferrer">simon.lachlan@alexarevel.plus.com</a> wrote:<br>
</div>
<blockquote type="cite">
<div class="m_-8138121852727981470WordSection1">
<p class="MsoNormal">I’ll be removing my carbs soon in order to
achieve clearance for raising (the front of) the engine.
(Harmonic balancer installation).<u></u><u></u></p>
<p class="MsoNormal">So, it struck me that I may give my 3 HD6s
another go. Swap them with the current setup.<u></u><u></u></p>
<p class="MsoNormal">Thinking it through and looking at the big
box of bits, I recalled what a pain it is to get the nuts and
two washers onto the bolts that hold on the air filters. I
have French manufactured K&N lookalikes. The bolt starts
inside the filter, goes through the carb and gets two washers
and a nut. Very awkward to deal with those nuts and washers.
PITA.<u></u><u></u></p>
<p class="MsoNormal">I thought that I might put in helicoils
then I thought “Why not tap the holes?”<u></u><u></u></p>
<p class="MsoNormal">The holes on my HD6s are 11/32” or 8.8mm.<u></u><u></u></p>
<p class="MsoNormal">I am no engineer but it seems to me, from
looking at tables on Google, that I could use a 25/64” drill
bit and tap them out to 7/16”. I have both the drill and the
tap but would like some expertise applied to the issue before
I start drilling.<u></u><u></u></p>
<p class="MsoNormal">Any input would be much appreciated.<u></u><u></u></p>
<p class="MsoNormal">Thanks,<u></u><u></u></p>
<p class="MsoNormal">Simon<u></u><u></u></p>
</div>
<br>
<pre class="m_-8138121852727981470moz-quote-pre">
</pre>
</blockquote>
</div>
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