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<div dir="ltr" data-setdir="false">Is the tach drive in a BN1 also on the driver's side (LHD car) on the side of the block under the exhaust?</div><div><br></div>
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On Wednesday, May 14, 2025 at 04:39:33 AM CDT, Patrick and Caroline Quinn <p.cquinn@outlook.com> wrote:
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<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;">G’day</span></p>
<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;"> </span></p>
<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;">In a four-cylinder engine in the BN2 the tach drive is located on the driver’s side (LHD car) on the side of the block under the exhaust.</span></p>
<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;"> </span></p>
<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;">IN a six-cylinder it’s off the distributor drive on the other side.</span></p>
<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;"> </span></p>
<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;">Hoo Roo</span></p>
<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;"> </span></p>
<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;">Patrick Quinn</span></p>
<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;">Blue Mountains, Australia</span></p>
<p class="ydp94ac8f55yiv0626248616MsoNormal"><span style="font-size:11.0pt;"> </span></p>
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<p class="ydp94ac8f55yiv0626248616MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:sans-serif;">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:sans-serif;"> Healeys <healeys-bounces@autox.team.net>
<b>On Behalf Of </b>Bob Spidell via Healeys<br clear="none">
<b>Sent:</b> Wednesday, 14 May 2025 12:32 PM<br clear="none">
<b>To:</b> Michael Salter <michaelsalter@gmail.com><br clear="none">
<b>Cc:</b> Healeys <healeys@autox.team.net><br clear="none">
<b>Subject:</b> Re: [Healeys] BN2 Incontinence</span></p>
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<p style="margin-bottom:12.0pt;" class="ydp94ac8f55yiv0626248616MsoNormal">Ah, yeah, now I remember having to route the OP line across the scuttle. But, the tach drive is off the distributor, on the R/H side, no? I replaced the seal when we rebuilt the engine.<br clear="none">
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Tappet cover, IIRC, is on the L/H side; that was my first guess since the oil isn't contaminated (until it hits the pavement). I didn't learn until after the rebuild that one of the tappet cover screws has to be shorter, lest one of the tappets hit it; always
wondered if I did that right or not. <br clear="none">
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bs</p>
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<p class="ydp94ac8f55yiv0626248616MsoNormal">On 5/13/2025 7:22 PM, Michael Salter wrote:</p>
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<p class="ydp94ac8f55yiv0626248616MsoNormal">The oil pressure take off is on the right side of the engine Bob. My guess would be the tachometer drive, the seal on the shaft hardens and cracks ( probably only about 70 years old, they don't make them to last) or the tappet cover. I
have found that the tappet cover screws need to be gently retightened af a few hours of operation. On the 100S they were all lock wired which tells you something!!
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<p class="ydp94ac8f55yiv0626248616MsoNormal">M</p>
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<p class="ydp94ac8f55yiv0626248616MsoNormal">On Tue., May 13, 2025, 9:46 p.m. Bob Spidell via Healeys, <<a shape="rect" href="mailto:healeys@autox.team.net" rel="nofollow" target="_blank">healeys@autox.team.net</a>> wrote:</p>
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<p style="margin-bottom:12.0pt;" class="ydp94ac8f55yiv0626248616MsoNormal">Listers,<br clear="none">
<br clear="none">
Just noticed, after a short local drive my BN2 was peeing oil out the <br clear="none">
driver (L/H) side of the engine. I won't get to a diagnosis and fix for <br clear="none">
a couple weeks; just wondering if anybody has a guess. My first thought <br clear="none">
was the OP gauge fitting came loose or the line broke, but the gauge was <br clear="none">
indicating fine as was the temp gauge.<br clear="none">
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Any guesses?<br clear="none">
<br clear="none">
Bob<br clear="none">
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