<div dir="ltr"><div class="gmail_default" style="color:#3333ff">A DW crank (and other upgrades) might "transform" a 100's engine in that it can be run at greater rpm's with less chance of hand-grenading. </div><div class="gmail_default" style="color:#3333ff">In practice our cars will only be driven at high revs--especially sustained--when on a track, and when the whole engine has hopefully been blueprinted.</div><div class="gmail_default" style="color:#3333ff"><br></div><div class="gmail_default" style="color:#3333ff"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Oct 30, 2021 at 7:19 AM David Porter via Healeys <<a href="mailto:healeys@autox.team.net">healeys@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><font face="Calibri"><p dir="ltr">Don't over think this. Just because it will rev much better doesn't mean it gets used all the time, but it's there. Of course the addition of other lighter bits and an AL head and expensive harmonic balancer will have you at a greater expense. Speed costs money, how fast do you want to go?. The AH four makes excellent bottom end torque. The huge main caps handle it just fine. The original crank is the weak link. DP</p>
<br><br>On October 30, 2021, at 3:22 AM, Michael MacLean via Healeys <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>> wrote:<br><br><br></font><div dir="ltr"><div>Wouldn't you have to beef up the main caps and add straps across them to handle the crank in higher RPM? Just a thought with only 3 main bearings and no harmonic balancer.<br></div><div>Mike MacLean<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Oct 29, 2021 at 8:48 PM WILLIAM B LAWRENCE via Healeys <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<div>I’d say it doesn’t transform the engine by itself, but it provides a stronger basis for the other mods that will.</div>
<div><br>
</div>
<div>Bill Lawrence</div>
<div>BN1 #554</div>
<hr style="display:inline-block;width:98%">
<div id="gmail-m_-9036354135352351034gmail-m_-682061499727999183divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> Healeys <<a href="mailto:healeys-bounces@autox.team.net" target="_blank">healeys-bounces@autox.team.net</a>> on behalf of Bob Spidell via Healeys <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>><br>
<b>Sent:</b> Saturday, October 30, 2021 1:16 AM<br>
<b>To:</b> richard mayor <<a href="mailto:boyracer466@gmail.com" target="_blank">boyracer466@gmail.com</a>><br>
<b>Cc:</b> <a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a> <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>><br>
<b>Subject:</b> Re: [Healeys] Crankshaft</font>
<div> </div>
</div>
<div dir="auto">
<div dir="ltr"></div>
<div dir="ltr">Does it de-stroke the engine (shorter throws)?</div>
<div dir="ltr"><br>
</div>
<div dir="ltr"><br>
<blockquote type="cite">On Oct 29, 2021, at 5:05 PM, richard mayor via Healeys <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>> wrote:<br>
<br>
</blockquote>
</div>
<blockquote type="cite">
<div dir="ltr">
<div dir="ltr">But a lightened flywheel will get you there quicker.<br>
</div>
<br>
<div>
<div dir="ltr">On Fri, Oct 29, 2021 at 3:19 PM Michael Salter via Healeys <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>> wrote:<br>
</div>
<blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div dir="auto">David, how does changing the crankshaft give you 2000 additional RPM?
<div dir="auto">Lighter rods and pistons, balancing, cam timing, bigger valves, porting, bigger carbs, shorter stroke, even increased compression may all contribute to higher RPM but a crank alone will not make any difference, neither will a lightened flywheel. </div>
<div dir="auto">M</div>
</div>
<br>
<div>
<div dir="ltr">On Fri., Oct. 29, 2021, 6:03 p.m. David P via Healeys, <<a href="mailto:healeys@autox.team.net" target="_blank">healeys@autox.team.net</a>> wrote:<br>
</div>
<blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>lighter, stronger, 2000+ additional rpms ,add a wee bit of cam and its a stormer and looks dead stock.. add a real seal and go have some fun. As I said IMHO.. It ain't cheap. dp I understand one is going on BAT in the near future. Black over red..<br>
</p>
<div>On 10/29/2021 3:25 PM, Michael Salter via Healeys wrote:<br>
</div>
<blockquote type="cite">
<div dir="auto">Confirmation bias is a very powerful force.
<div dir="auto"><br>
</div>
<div dir="auto">M</div>
</div>
<br>
<div>
<div dir="ltr">On Fri., Oct. 29, 2021, 3:35 p.m. Bob Spidell via Healeys, <<a href="mailto:healeys@autox.team.net" rel="noreferrer" target="_blank">healeys@autox.team.net</a>> wrote:<br>
</div>
<blockquote style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
OK, I'll bite: How does a Welch crank transform a a 100? I get that <br>
they're steel and stronger, and should withstand more RPM/HP, but does <br>
the crank alone do it?<br>
<br>
Bob<br>
<br>
On 10/29/2021 8:10 AM, David P via Healeys wrote:<br>
><br>
> pretty much hen's teeth is my guess. But a Welsh crank, it transforms <br>
> the engine. IMHO I'm sure Donald wishes they were available in '54<br>
><br>
> On 10/28/2021 2:29 PM, Robert Memler via Healeys wrote:<br>
>> I need a crankshaft for a 54 b;no. Does anyone have a spare that they <br>
>> would be willing to sell?<br>
>><br>
>> Thanks, Bob Memler<br>
>><br>
<br>
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