<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Hi Simon,</div><div>All 3000's have one as standard. But yours is now over 50 years old.....</div><div>The rubber eventually delaminates, and the standard 50 year old one wasn't a particularly good design. </div><div>I've had this pro race one on my engine for the past 20 years</div><div><a href="https://www.ebay.co.uk/itm/Pro-Race-64295-Harmonic-Balancer-Pro-Race-SFI-Austin-Healey-100-4-6-3000/322893258295?hash=item4b2df01e37:g:EFAAAOSwH4ha~SFp">https://www.ebay.co.uk/itm/Pro-Race-64295-Harmonic-Balancer-Pro-Race-SFI-Austin-Healey-100-4-6-3000/322893258295?hash=item4b2df01e37:g:EFAAAOSwH4ha~SFp</a></div><div>Denis Welch sells this exact one as his road spec one. <br><a href="https://www.bighealey.co.uk/performance-parts/austin-healey/engines/3000-bottom-end/crank-damper-pulley-bm-eng643">https://www.bighealey.co.uk/performance-parts/austin-healey/engines/3000-bottom-end/crank-damper-pulley-bm-eng643</a></div><div><br></div><div>On an aftermarket steel crank you need a better one, but this one is fine up to 6,000 rpm</div><div><br></div><div>The reason you have one is:</div><div><a href="https://en.m.wikipedia.org/wiki/Harmonic_damper">https://en.m.wikipedia.org/wiki/Harmonic_damper</a></div><div><br></div><div>Best</div><div>Chris</div><div><br><div><br></div></div><div><br><div><br><br>Sent from my iPhone</div>On 25 Oct 2018, at 7:32 pm, <<a href="mailto:simon.lachlan@alexarevel.plus.com">simon.lachlan@alexarevel.plus.com</a>> <<a href="mailto:simon.lachlan@alexarevel.plus.com">simon.lachlan@alexarevel.plus.com</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal">A friend has suggested that I install one in my 3000. <o:p></o:p></p><p class="MsoNormal">What precisely does it do? <o:p></o:p></p><p class="MsoNormal">The name implies that it takes out vibration……..where’s the benefit? Less noise? Smoother revving which, in turn, achieves what….?<o:p></o:p></p><p class="MsoNormal">These things aren’t cheap especially if one considers that I don’t apparently actually NEED one….<o:p></o:p></p><p class="MsoNormal">Any tips would be welcome.<o:p></o:p></p><p class="MsoNormal">And which particular unit? <o:p></o:p></p><p class="MsoNormal">Thanks,<o:p></o:p></p><p class="MsoNormal">Simon<o:p></o:p></p></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Support <a href="http://Team.Net">Team.Net</a> <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a></span><br><span>Suggested annual donation $12.75</span><br><span></span><br><span>Archive: <a href="http://www.team.net/pipermail/healeys">http://www.team.net/pipermail/healeys</a> <a href="http://autox.team.net/archive">http://autox.team.net/archive</a></span><br><span></span><br><span><a href="mailto:Healeys@autox.team.net">Healeys@autox.team.net</a></span><br><span><a href="http://autox.team.net/mailman/listinfo/healeys">http://autox.team.net/mailman/listinfo/healeys</a></span><br><span></span><br><span>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/healeys/austin.healey@gmail.com">http://autox.team.net/mailman/options/healeys/austin.healey@gmail.com</a></span><br><span></span><br></div></blockquote></body></html>