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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The other way to address this at least with Spitfire and GT-6 applications is to go with larger fasteners and use 8 instead of 4 and a pin. Hardened flat washers under the heads also is a good idea as is blue lock-tite. I would figure results would be similar in TR3-6 applications but I have never tried it. Works very well on 8K rpm Spitfires<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Fot [mailto:fot-bounces@autox.team.net] <b>On Behalf Of </b>Dan Cronin via Fot<br><b>Sent:</b> Friday, March 24, 2017 8:26 AM<br><b>To:</b> Tony Drews<br><b>Cc:</b> FOT List Triumph<br><b>Subject:</b> Re: [Fot] TR4 Race Flywheel, Presure Plate and Disk Question<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#4F7A28'>The alloy flywheels can be upgraded by having or installing ARP hardened steel inserts into the flywheel attaching holes which alieviates the tendancy for the holes to elongate.</span><o:p></o:p></p><div><p class=MsoNormal><span style='color:#4F7A28'>D</span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>On Mar 23, 2017, at 11:49 PM, Tony Drews via Fot <<a href="mailto:fot@autox.team.net">fot@autox.team.net</a>> wrote:<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Most folks seem to do a Fidanza aluminum flywheel. Joe had a set of steel ones similar to what's sold by Cambridge made a while back, weighs the same and doesn't have the tendency to come loose from the crank like the alloy ones do. Looks like this but for a TR4:<br><a href="http://www.cambridgemotorsport.com/partsxx/cm6953">http://www.cambridgemotorsport.com/partsxx/cm6953</a><br><br>I use a diaphragm pressure plate like you describe with a heavy duty clutch disk.<br><br>The annular hydraulic throwout bearing is cool, but if you have any kind of failure you have to pull the tranny. For that reason I converted from a very cool setup like that back to stock - so if the slave cylinder went out I had half a chance of fixing it at the track.<br><br>Regards, Tony Drews<br><br>At 02:57 PM 3/23/2017, STEPHEN BOROWSKI via Fot wrote:<br><br><o:p></o:p></p><p class=MsoNormal>Hello All,<br>What do you recommend for a race flywheel, Pressure Plate and Disk?<br>My existing is a lightened stock flywheel with a diaphragm type (Porsche) pressure plate.<br><br>Also has anyone used the hydraulic throw out bearing devise? Is it worth it?<br><br>Thanks,<br>Steve<br>FL TR4 racer<br><br>_______________________________________________<br><a href="mailto:fot@autox.team.net">fot@autox.team.net</a><br><br><a href="http://www.fot-racing.com">http://www.fot-racing.com</a><br><br>Donate: <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/archive">http://www.team.net/archive</a><br>Forums: <a href="http://www.team.net/forums">http://www.team.net/forums</a><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/fot/tony@tonydrews.com">http://autox.team.net/mailman/options/fot/tony@tonydrews.com</a><o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><br><br>_______________________________________________<br><a href="mailto:fot@autox.team.net">fot@autox.team.net</a><br><br><a href="http://www.fot-racing.com">http://www.fot-racing.com</a><br><br>Donate: <a href="http://www.team.net/donate.html">http://www.team.net/donate.html</a><br>Archive: <a href="http://www.team.net/archive">http://www.team.net/archive</a><br>Forums: <a href="http://www.team.net/forums">http://www.team.net/forums</a><br>Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/fot/adcronin@mi.rr.com">http://autox.team.net/mailman/options/fot/adcronin@mi.rr.com</a><br><br><o:p></o:p></p></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>