<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>On Nov 14, 2016, at 9:31 PM, Jim Adney wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>On 14 Nov 2016 at 23:50, J. Jonik wrote:<br><br><blockquote type="cite">What's rule of thumb about how long spark plugs last?<br></blockquote><br>The official replacement interval for FI cars was 12 kmiles. I tend <br>to get much more than that out of them, but that may be partly due to <br>the Delta Mark 10 CDI ignition units I use.<br><font class="Apple-style-span" color="#006312"><br></font></div></blockquote><div><br class="webkit-block-placeholder"></div><div>Hmmmm, I wonder if that is one of the reasons Sophy has started running rougher than normal. I still have the same spark plugs in her from when I rebuilt the engine approximately 65k miles ago. Standard point ignition too. I believe they are standard Bosch W8AC plugs as well. Nothing fancy.</div><div><br></div><div>I do plan to pull her engine this winter and give it a once over. I think it is time.</div><div><br class="webkit-block-placeholder"></div><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Arial; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div><div>Later,</div><div>John Jaranson</div><div><a href="http://www.carartbyjohn.com">www.carartbyjohn.com</a></div></div><div><br></div></span><br class="Apple-interchange-newline">
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