<div>I have this tool-a Proto reject that I got at a swap meet. No need to raise engine but it works best for rebuilds using a wood block on crank journal.</div>
<div>I wonder what happened to the locktab which should keep the nut tight? Moss has it fits both 100 and 3000:</div>
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<div class="schematic-table__cell sku-cell" role="cell"><a href="https://mossmotors.com/837-090-lock-tab-crankshaft-dog-nut">837-090</a></div>
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<div class="description-wrapper"><img class="product-image" src="https://mossmotors.com/media/catalog/product/8/3/837-090_1.jpg?width=75&height=75&canvas=75,75&optimize=medium&bg-color=255,255,255&fit=bounds" alt="LOCK TAB"><a href="https://mossmotors.com/837-090-lock-tab-crankshaft-dog-nut">LOCK TAB</a></div>
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<div><br>-------------------- <br><br>From: "Michael Salter" <michael.salter@gmail.com> <br>To: <simon.lachlan@alexarevel.plus.com>, "'Roger Grace'" <roggrace@telus.net>, "'Healeys'" <healeys@autox.team.net> <br>Sent: April 8, 2026 at 12:16 PM PDT <br>Subject: Re: [Healeys] Locking Crank </div>
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<div id="divRplyFwdMsg"><strong>From:</strong> Healeys <healeys-bounces@autox.team.net> on behalf of Simon Lachlan via Healeys <healeys@autox.team.net><br><strong>Sent:</strong> Wednesday, April 8, 2026 12:20:21 PM<br><strong>To:</strong> 'Roger Grace' <roggrace@telus.net>; 'Healeys' <healeys@autox.team.net><br><strong>Subject:</strong> Re: [Healeys] Locking Crank
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<p class="x_MsoNormal">If(!) my memory t serves me right, you can take the sump off and jam it with a piece of wood.</p>
<p class="x_MsoNormal">Otherwise, maybe get something to lock the flywheel. Per attached. I used this for work on the clutch but should do the job?</p>
<p class="x_MsoNormal">Years ago, I put a massive spanner on the nut and clouted it with a big hammer. Yes, the crank moved but the nut surely tightened up. It is an absolute beast of a spanner…open-ended, just one end. Heavy as anything, looks like something out of a Challenger tank’s toolkit.</p>
<p class="x_MsoNormal">Have fun. Simon</p>
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<p class="x_MsoNormal"><strong><span style="font-family: 'Calibri',sans-serif;">From:</span></strong><span style="font-family: 'Calibri',sans-serif;"> Healeys <healeys-bounces@autox.team.net> <strong>On Behalf Of </strong>Roger Grace<br><strong>Sent:</strong> 08 April 2026 16:05<br><strong>To:</strong> Healeys <healeys@autox.team.net><br><strong>Subject:</strong> [Healeys] Locking Crank</span></p>
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<p class="x_MsoNormal">Had a bit of a mishap with my BJ8 engine that is installed in the car.</p>
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<p class="x_MsoNormal">Drive shaft and gearbox in place and tunnel off.</p>
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<p class="x_MsoNormal">Need to re-tighten the crank nut.</p>
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<p class="x_MsoNormal">So how is the easiest way to lock the crank ?</p>
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<p class="x_MsoNormal">Is it safe (no damage) to lock the prop shaft flange and in 4th gear ?</p>
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<p class="x_MsoNormal">Thank you</p>
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<p class="x_MsoNormal">rg</p>
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