<div dir="auto">Appreciate your input Bill.<div dir="auto">If your grasp the concept of the article you will probably understand that lightening the flywheel will actually result in less cyclical deformation of the crankshaft and could conceivably lengthen its life.</div><div dir="auto">The problem however is that the rorational oscillation of the lightened flywheel and therefore the gearbox input shaft will increase.</div><div dir="auto">The BN1 gearbox is barely up to the job as it is and it is a certainty that the rate of fatigue of the gear teeth will also increase,</div><div dir="auto">With the stronger "C" series gearbox of the BN2 that does not seem to be a problem but it is in the BN1.</div><div dir="auto"><br></div><div dir="auto">M</div></div><br><div class="gmail_quote"><div dir="ltr">On Fri, Jan 4, 2019, 7:13 PM WILLIAM B LAWRENCE <<a href="mailto:ynotink@msn.com">ynotink@msn.com</a> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div style="font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
I have a lightened flywheel in my BN1 (26 pounds as opposed to 42) and I've used it for over 13 years with no known ill effects. The engine has been out for an unrelated failure and the crank checked out crack free. I use the car for highway cruising and around
town and I don't spend much time above about 3200 RPM. I have Mike Lempert's 3.54:1 gears (hypoid final drive) and the 28% overdrive which gives an 80 MPH cruise at around that RPM. No land speed records, but no speeding tickets either...</div>
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<div style="font-family:Calibri,Helvetica,sans-serif;font-size:12pt;color:rgb(0,0,0)">
Bill Lawrence</div>
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BN1 #554</div>
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<div id="m_-5276723894506882433divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> Healeys <<a href="mailto:healeys-bounces@autox.team.net" target="_blank" rel="noreferrer">healeys-bounces@autox.team.net</a>> on behalf of Michael Salter <<a href="mailto:michael.salter@gmail.com" target="_blank" rel="noreferrer">michael.salter@gmail.com</a>><br>
<b>Sent:</b> Friday, January 4, 2019 1:03 AM<br>
<b>To:</b> Charlie Schott<br>
<b>Cc:</b> <a href="mailto:healeys@autox.team.net" target="_blank" rel="noreferrer">healeys@autox.team.net</a><br>
<b>Subject:</b> Re: [Healeys] Lightweight Flywheel</font>
<div> </div>
</div>
<div>
<div dir="auto">Read this first
<div dir="auto"><a href="http://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failures/" target="_blank" rel="noreferrer">http://www.netbug.net/blogmichael/2017/01/03/austin-healey-100-crank-failures/</a><br>
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</div>
<br>
<div class="m_-5276723894506882433x_gmail_quote">
<div dir="ltr">On Thu, Jan 3, 2019, 7:42 PM Charles Schott <<a href="mailto:schottc@knology.net" target="_blank" rel="noreferrer">schottc@knology.net</a> wrote:<br>
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<div>Has anyone used a lightweight flywheel on their 100 BN1? I plan on going with a complete Le Mans kit and a lightweight flywheel and the car will be for street use. If you have, what are your thoughts on it? Thanks.</div>
<div><br>
</div>
<div>Regards,</div>
<div><br>
</div>
<div>Charlie Schott</div>
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<div style="color:#000;font-weight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-serif;font-size:12pt">
<b>From: </b>"Michael Salter" <<a href="mailto:michael.salter@gmail.com" rel="noreferrer noreferrer" target="_blank">michael.salter@gmail.com</a>><br>
<b>To: </b>"Bob Spidell" <<a href="mailto:bspidell@comcast.net" rel="noreferrer noreferrer" target="_blank">bspidell@comcast.net</a>><br>
<b>Cc: </b><a href="mailto:healeys@autox.team.net" rel="noreferrer noreferrer" target="_blank">healeys@autox.team.net</a><br>
<b>Sent: </b>Thursday, December 20, 2018 9:51:43 AM<br>
<b>Subject: </b>Re: [Healeys] tri power for sale<br>
<div><br>
</div>
<div dir="auto">I encourage as many people as possible to "M" up their 100's.
<div dir="auto">Makes original cars that much more valuable. </div>
<div dir="auto"><br>
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<div dir="auto">M</div>
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<br>
<div class="m_-5276723894506882433x_gmail_quote">
<div dir="ltr">On Thu, Dec 20, 2018, 9:52 AM Bob Spidell <<a href="mailto:bspidell@comcast.net" rel="noreferrer noreferrer" target="_blank">bspidell@comcast.net</a> wrote:<br>
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<blockquote class="m_-5276723894506882433x_gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
My understanding is that the 'kits' installed by dealers varied; the <br>
complete one--the one done at the Healey shop--includes higher <br>
compression pistons, a more aggressive cam, some suspension tweaks <br>
(stiffer shocks, maybe a larger anti-sway bar), a different distributor <br>
and, of course, the louvred bonnet.<br>
<br>
Someone wrote up a list of mods that could be done--even better cam <br>
profile, for example--that could be done to a 'stock' BN1/2 to achieve <br>
performance superior to a M, while keeping the original 'flavor' of the car.<br>
<br>
Bob<br>
<br>
On 12/19/2018 11:14 PM, <a href="mailto:sentenac.rw@gmail.com" rel="noreferrer noreferrer noreferrer" target="_blank">
sentenac.rw@gmail.com</a> wrote:<br>
> Well, for starters you can look at page A34 of the Moss Motors<br>
> catalogue. The section labeled "100M Conversion". It may be a<br>
> different page on the latest catalogue. Carbs, Manifold set, cold air<br>
> box,etc.<br>
><br>
> -Roland<br>
><br>
> On Wed, 19 Dec 2018 18:48:10 -0500 (EST), you wrote:<br>
><br>
>> I recently purchased a 1955 100-4 for a frame off restoration. Since I'm going to rebuild the engine, I'd like to give it the "M" upgrade. Does anyone know where I can purchase the parts for what they call the LeMans kit? Thanks.<br>
>><br>
>> Regards,<br>
>><br>
>> Charlie Schott<br>
>><br>
>><br>
>><br>
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