<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div dir="ltr" id="yui_3_16_0_ym19_1_1479837099481_147613"><span id="yui_3_16_0_ym19_1_1479837099481_147614">every thing is available at mcmastercarr.com</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1479837099481_147612"><span><br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1479837099481_147611"><span>frank</span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1479837099481_147610"><span><br></span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1479837099481_147609"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1479837099481_147537" style="display: block;">  <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1479837099481_147536"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1479837099481_147535"> <div dir="ltr" id="yui_3_16_0_ym19_1_1479837099481_147606"> <font size="2" face="Arial" id="yui_3_16_0_ym19_1_1479837099481_147607"> <hr size="1" id="yui_3_16_0_ym19_1_1479837099481_147608"> <b><span style="font-weight:bold;">From:</span></b> Bud R <levilevi@comcast.net><br> <b><span style="font-weight: bold;">To:</span></b> Triumph Mail List <triumphs@autox.team.net> <br> <b><span style="font-weight: bold;">Sent:</span></b> Thursday, November 24, 2016 8:04 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> [TR] Threads and Bolts<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1479837099481_147534"><br><div id="yiv0935299757"><div id="yui_3_16_0_ym19_1_1479837099481_147533"><div id="yui_3_16_0_ym19_1_1479837099481_147605">Listerati,</div><div id="yui_3_16_0_ym19_1_1479837099481_147604"><br></div>I’m working on the Spitfire’s traverse leaf swing spring rear suspension and can’t find locally the 7/16”  fine thread (20 tpi) by 3 1/2” bolts that were holding the vertical link and to the trunnions and to the swing spring bushings.<div id="yui_3_16_0_ym19_1_1479837099481_147532"><br></div><div id="yui_3_16_0_ym19_1_1479837099481_147617">I can find the right sizes in a coarse thread (12 tpi) grade 8 bolt and thats my plan. The old ones are grade 5 or in one case a bolt with no slash marks on top. I don’t know what it is.<br><div id="yui_3_16_0_ym19_1_1479837099481_147618"> <div id="yui_3_16_0_ym19_1_1479837099481_147619">Do these bolts need to be fine thread for any particular reason, e.g. for safety, torque specs, etc.? Is a grade 8 bolt a good idea where it will be stressed with all the up and down motion with the vertical link? Too brittle? Usually I go for grade 8 whenever possible but I’ve heard there are instances where it might not be the best solution.</div><div id="yui_3_16_0_ym19_1_1479837099481_147620"><br></div><div id="yui_3_16_0_ym19_1_1479837099481_147621">An aside for Thanksgiving: </div><div id="yui_3_16_0_ym19_1_1479837099481_147622">My son and his wife teaching in Shanghai said the Chinese love to celebrate American holidays (they know them from American TV and movies) but their take on Thanksgiving is that you thank people who do nice things for you. So they got cards from their students thanking them for teaching. Kind of a different twist but a good one I thought.</div><div><br></div><div>Happy Thanksgiving to all.</div></div></div><div><br></div><div>
<span class="yiv0935299757Apple-style-span" style="border-collapse:separate;border-spacing:0px;"><div style="word-wrap:break-word;"><span class="yiv0935299757Apple-style-span" style="orphans:2;text-indent:0px;widows:2;"><div style="word-wrap:break-word;"><span class="yiv0935299757Apple-style-span" style="orphans:2;text-indent:0px;widows:2;"><div style="word-wrap:break-word;"><span class="yiv0935299757Apple-style-span" style="orphans:2;text-indent:0px;widows:2;"><div style="word-wrap:break-word;"><span class="yiv0935299757Apple-style-span" style="orphans:2;text-indent:0px;widows:2;"><div style="word-wrap:break-word;"><span class="yiv0935299757Apple-style-span" style="orphans:2;text-indent:0px;widows:2;"><div style="word-wrap:break-word;"><span class="yiv0935299757Apple-style-span" style="orphans:2;text-indent:0px;widows:2;"><div style="word-wrap:break-word;"><span class="yiv0935299757Apple-style-span" style="orphans:2;text-indent:0px;widows:2;"><div><div style="border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px;"><br class="yiv0935299757Apple-interchange-newline">Bud Rolofson</div><div style="border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px;"><br></div><div style="border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px;">Extreme Parts Racing (more than just a haircut)</div><div style="border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px;"><br></div><div>71TR6 CC57365 (Good 6)</div><div style="border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px;">71 Spitfire MK IV Race Car #3</div><div style="border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px;">69 Spitfire MK 3 (back up FE engine/dinghy car)</div><div style="border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px;">93 Minnie Winnie Race Support Vehicle </div><div style="border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px;">77 Z-50A Hardly Davidson Honda Mini-Trail Bike (Triumph Pit Bike)</div></div><div style="border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px;"><br></div><div style="border-collapse:separate;color:rgb(0, 0, 0);font-family:Helvetica;font-size:12px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px;"><br></div></span><br class="yiv0935299757Apple-interchange-newline"></div></span><br class="yiv0935299757Apple-interchange-newline"></div></span><br class="yiv0935299757Apple-interchange-newline"></div></span><br class="yiv0935299757Apple-interchange-newline"></div></span><br class="yiv0935299757Apple-interchange-newline"></div></span><br class="yiv0935299757Apple-interchange-newline"></div></span><br class="yiv0935299757Apple-interchange-newline"></div></span><br class="yiv0935299757Apple-interchange-newline" style="color:rgb(0, 0, 0);font-family:Helvetica;font-size:18px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;"><br class="yiv0935299757Apple-interchange-newline">
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