<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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--></style></head><body lang=EN-AU link=blue vlink="#954F72"><div class=WordSection1><p class=MsoNormal>...if you want the alternator to spin faster, you’ll need to reduce the size of the pulley on it, not increase it.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cheers</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Peter</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">Mail</a> for Windows 10</p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='border:none;padding:0cm'><b>From: </b><a href="mailto:050.rpl@gmail.com">R. Lindsay</a><br><b>Sent: </b>Tuesday, 13 August 2019 8:23 AM<br><b>To: </b><a href="mailto:warthodson@aol.com">warthodson@aol.com</a>; <a href="mailto:pbrauen@gmail.com">pbrauen@gmail.com</a>; <a href="mailto:healeys@autox.team.net">Healey List</a><br><b>Subject: </b>[Healeys] Alternator Pulleys</p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I have installed an alternator in my BJ8 to support ac with mixed success. Since our cars use a v-belt system I had to replace the pulley that came with the alternator(serpentine) with a v-belt pulley. I have checked the power the alternator and at idle, it is below the amperage needed to run the equipment I have installed. </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>When I look at the circumference of the v-belt pulley and the serpentine pulley, the v-belt is definitely smaller. Should I use a v-belt pulley of similar size? Increasing the circumference of the pulley will make the alternator spin faster and maybe solve my issue of slow engine speed/low amp output, I think.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If my thinking is correct, how big of a pulley should I use? I presume that if the pulley is too large, it may make the alternator produce too many amps and damage it. Should I match the size of the serpentine pulley or buy a pulley based on a calculation? (FWIW, I have no knowledge/experience to do this). </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The pulleys on the crank and water pump are standard Healey. There is ac installed and the pulley on the compressor is larger than the old generator. I have a two belt system so the alternator is belted to the compressor which if what I said above about larger pulleys spin their equipment faster, how should this be accounted for?</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I may be over thinking this but I would like to run the ac at a reasonable idle. Has anyone approached this and came up with a resolution?</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you so much for any light that can be shed on this. </p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Price Lindsay</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cell: 630-841-6300</p><p class=MsoNormal>Email: 050.rpl@gmail.com</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sent from my iPhone</p><p class=MsoNormal>_______________________________________________</p><p class=MsoNormal>Support Team.Net http://www.team.net/donate.html</p><p class=MsoNormal>Suggested annual donation $12.75</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Archive: http://www.team.net/pipermail/healeys http://autox.team.net/archive</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Healeys@autox.team.net</p><p class=MsoNormal>http://autox.team.net/mailman/listinfo/healeys</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/greylinn@ozemail.com.au</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>