<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">If your fuel problem started after the engine rebuild, there is a problem in the rebuild. A new engine may get a little lower fuel mileage at first but after the first hundred miles or so the engine is what it is going to be.<div class=""><br class=""></div><div class="">I would recommend checking the ignition timing, carb needles, float levels, and valve adjustments. If you increased the compression 10:1 then there may be the reason. </div><div class=""><br class=""></div><div class="">I would double check the cam timing. It is very easy to set wrong, and can be compensated for by advancing the timing. But you will have limited power and poor fuel economy.</div><div class=""><br class=""></div><div class="">David Nock</div><div class="">British Car Specialists</div><div class=""><br class=""></div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jul 3, 2022, at 9:51 AM, llennep--- via Healeys <<a href="mailto:healeys@autox.team.net" class="">healeys@autox.team.net</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="caret-color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; font-stretch: normal; font-size: 10pt; line-height: normal; font-family: Arial, Helvetica, sans-serif;" class="">Thanks Bob. Useful info.<div class=""><br class=""><div style="font-family: helvetica, arial; font-size: 10pt;" class=""><font size="2" class="">Sent: Sun, Jul 3, 2022 11:17 am<br class="">Subject: Re: [Healeys] fuel consumption<br class=""><br class=""><div id="yiv4316669477" class=""><div class="">A friend and I used to take a long road trip--up to 5,000 miles--in my BJ8 every year for over 20 years. He checked our mileage at every fuel stop--useful if your gas gauge goes on the fritz--and I checked the odometer against the roadside markers (it was spot on). Through three engines the mileage stayed very nearly the same: 15MPUSG in stop-and-go city driving, best I got was 25 on 'slow' (55MPH), flat highway driving (eastern Oregon, when the troopers used to enforce it) and at freeway speeds (70-75MPH) I got around 18. When I went from the 3.9 rear end to a 3.54 I expected a mileage 'bonus,' but at most I got a tenth or two better MPG.<br clear="none" class=""><br clear="none" class="">29.6 miles per USG is extraordinary; these conversations come around every few years and no on ever claimed much more than I was getting.<span class="Apple-converted-space"> </span><br clear="none" class=""><br clear="none" class=""><br clear="none" class=""><div id="yiv4316669477yqt64688" class="yiv4316669477yqt4486129123"><div class="yiv4316669477moz-cite-prefix">On 7/2/2022 8:48 PM,<span class="Apple-converted-space"> </span><a rel="nofollow noopener noreferrer" shape="rect" ymailto="mailto:m.g.sharp@sympatico.ca" target="_blank" href="mailto:m.g.sharp@sympatico.ca" class="yiv4316669477moz-txt-link-abbreviated">m.g.sharp@sympatico.ca</a><span class="Apple-converted-space"> </span>wrote:<br clear="none" class=""></div><blockquote type="cite" class=""></blockquote></div></div><div id="yiv4316669477yqt30426" class="yiv4316669477yqt4486129123"><div class=""><div class="yiv4316669477WordSection1"><div class="yiv4316669477MsoNormal" style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;">Hi listers, As you might recall, I just had the engine rebuilt on my BT7 last year. I only have 670 miles on it so far. My fuel consumption seems exceptionally high. I have just checked on one fill up, and need to repeat to be more certain, but on the last tank I got an awful 10.1 miles to the Imperial Gallon (14.8 miles/US gal). I used to get about double that.<br clear="none" class=""><br clear="none" class="">I have checked the tune on the carbs using the usual method and checked it with a quick plug check (I have yet to do a proper plug chop), and if anything I think I am running a bit on the lean side. The exhaust seems good, just rich when the choke is on, however the engine does “hunt” a little when at idle. It runs beautifully otherwise. No fuel leaks at all.</div><div class="yiv4316669477MsoNormal" style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;"> </div><div class="yiv4316669477MsoNormal" style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;">My questions: 1) what are others getting for fuel consumption? And 2) any thoughts on how to improve it?</div><div class="yiv4316669477MsoNormal" style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;"> </div><div class="yiv4316669477MsoNormal" style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif;">Thank all - Mirek</div></div><br clear="none" class=""><br clear="none" class=""></div></div></div><div class="yqt4486129123" id="yqt27198">_______________________________________________<br clear="none" class="">Support<span class="Apple-converted-space"> </span><a href="http://team.net/" class="">Team.Net</a><span class="Apple-converted-space"> </span><a shape="rect" href="http://www.team.net/donate.html" target="_blank" class="">http://www.team.net/donate.html</a><br clear="none" class="">Suggested annual donation $12.75<br clear="none" class=""><br clear="none" class="">Archive:<span class="Apple-converted-space"> </span><a shape="rect" href="http://www.team.net/pipermail/healeys" target="_blank" class="">http://www.team.net/pipermail/healeys<span class="Apple-converted-space"> </span></a><a shape="rect" href="http://autox.team.net/archive/healeys" target="_blank" class="">http://autox.team.net/archive/healeys</a><br clear="none" class=""><br clear="none" class=""><a shape="rect" ymailto="mailto:Healeys@autox.team.net" href="mailto:Healeys@autox.team.net" class="">Healeys@autox.team.net</a><br clear="none" class=""><a shape="rect" href="http://autox.team.net/mailman/listinfo/healeys" target="_blank" class="">http://autox.team.net/mailman/listinfo/healeys</a><br clear="none" class=""><br clear="none" class="">Unsubscribe/Manage:<span class="Apple-converted-space"> </span><a shape="rect" href="http://autox.team.net/mailman/options/healeys/llennep@verizon.net" target="_blank" class="">http://autox.team.net/mailman/options/healeys/llennep@verizon.net</a><br clear="none" class=""><br clear="none" class=""></div></font></div></div></div><span style="caret-color: rgb(0, 0, 0); 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word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Unsubscribe/Manage:<span class="Apple-converted-space"> </span></span><a href="http://autox.team.net/mailman/options/healeys/healeydoc@sbcglobal.net" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">http://autox.team.net/mailman/options/healeys/healeydoc@sbcglobal.net</a><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""></div></blockquote></div><br class=""><div class="">
<div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;">David Nock<br class="">British Car Specialists<br class="">Stockton Ca (209) 948-8767<br class="">Specializing in parts, repairs and the restorations on all British Cars since 1957<br class=""><br class=""><a href="http://www.britishcarspecialists.com" class="">www.britishcarspecialists.com</a><br class=""><br class=""></div>
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