<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr">I’ve often thought, but never spent the time, that there is likely a more modern motor that has valves of similar enough dimensions that we could use them with some amount of machine work. </div><div dir="ltr"><br></div><div dir="ltr">Has any gone down this path for TR6 or TR4 motors?<br id="lineBreakAtBeginningOfSignature"><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Nov 10, 2023, at 22:50, tr4 via Fot <fot@autox.team.net> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><div dir="auto">Been back ordered for nearly a year now. Seems TR4 exhaust and TR6 intakes are scarce.</div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><br></div><div id="composer_signature" dir="auto"><div style="font-size:12px;color:#575757" dir="auto">Sent via the Samsung Galaxy S23+ 5G, an AT&T 5G smartphone</div></div><div dir="auto"><br></div><div><br></div><div align="left" dir="auto" style="font-size:100%;color:#000000"><div>-------- Original message --------</div><div>From: Robert Lang via Fot <fot@autox.team.net> </div><div>Date: 11/10/23 4:40 PM (GMT-06:00) </div><div>To: FOT Triumph <fot@autox.team.net> </div><div>Subject: [Fot] TR6 Intake and Exhaust Valve Availability </div><div><br></div></div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;" class="yahoo-style-wrap"><div data-setdir="false" dir="ltr">Hi,</div><div data-setdir="false" dir="ltr"><br></div><div data-setdir="false" dir="ltr">I've been cruising the web looking at valves for a couple of projects and it looks like the usual sources are listing the fancier 21 4N valves in standard sizes as unavailable or in less than full set quantities. Can anyone shed light on this issue?</div><div data-setdir="false" dir="ltr"><br></div><div data-setdir="false" dir="ltr">As-of right now, I'm SOL on one project because of this.</div><div data-setdir="false" dir="ltr"><br></div><div data-setdir="false" dir="ltr">I'm not looking at big valves... just stock-size (1.43 intakes and 1.28 exhausts, but the forged 21 4N jobs that come with the back side cut - sometimes referred to as "gas flowed".</div><div data-setdir="false" dir="ltr"><br></div><div data-setdir="false" dir="ltr">Regards,</div><div data-setdir="false" dir="ltr">Bob Lang<br></div></div><span>_______________________________________________</span><br><span>fot@autox.team.net</span><br><span></span><br><span>http://www.fot-racing.com</span><br><span></span><br><span>Donate: http://www.team.net/donate.html</span><br><span>Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot</span><br><span>Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/gblake58tr3@icloud.com</span><br><span></span><br><span></span><br></div></blockquote></div></body></html>