<html xmlns="http://www.w3.org/1999/xhtml" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office"><head><!--[if gte mso 9]><xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml><![endif]--></head><body><div class="ydpc948573yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div><div dir="ltr" data-setdir="false">Here is a thread from Triumph Experience. Motorsport Mickey did it beck in the 80's. I don't know if he is on FOT but maybe he should be. He has a wealth of knowledge.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><span><a href="https://www.triumphexp.com/forum/tr4-and-tr4a-forum.7/92mm-pistons.710137.1601198/" rel="nofollow" target="_blank" class="enhancr_card_6636288384">92mm pistons ?? : TR4 & TR4A Forum : The Triumph Experience</a></span><div><br></div><div id="ydpc27c60b6enhancr_card_6636288384" class="ydpc27c60b6yahoo-link-enhancr-card ydpc27c60b6ymail-preserve-class ydpc27c60b6ymail-preserve-style" style="max-width:400px;font-family:YahooSans, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif" data-url="https://www.triumphexp.com/forum/tr4-and-tr4a-forum.7/92mm-pistons.710137.1601198/" data-type="YENHANCER" data-size="MEDIUM" contenteditable="false"><a href="https://www.triumphexp.com/forum/tr4-and-tr4a-forum.7/92mm-pistons.710137.1601198/" style="text-decoration:none !important;color:#000 !important" class="ydpc27c60b6yahoo-enhancr-cardlink" rel="nofollow" target="_blank"><table border="0" class="ydpc27c60b6card-wrapper ydpc27c60b6yahoo-ignore-table" cellpadding="0" cellspacing="0" style="max-width:400px"><tbody><tr><td width="400"><table border="0" class="ydpc27c60b6card ydpc27c60b6yahoo-ignore-table" cellpadding="0" cellspacing="0" width="100%" style="max-width:400px;border-width:1px;border-style:solid;border-color:rgb(224, 228, 233);border-radius:2px"><tbody><tr><td class="ydpc27c60b6card-primary-image-cell" background="https://s.yimg.com/lo/api/res/1.2/8Vssqjh5V60zdN3TzouxIA--~A/Zmk9ZmlsbDt3PTQwMDtoPTIwMDthcHBpZD1pZXh0cmFjdA--/https://www.triumphexp.com/phile/7/117651/TR4_Race_car_500x374_150x112_.jpg.cf.jpg" bgcolor="#000000" valign="top" height="175" style="background-color: rgb(0, 0, 0); background-size: cover; position: relative; border-radius: 2px 2px 0px 0px; min-height: 175px;"><!--[if gte mso 9]><v:rect fill="true" stroke="false" style="width:396px;height:175px;position:absolute;top:0;left:0;"><v:fill type="frame" color="#000000" src="https://s.yimg.com/lo/api/res/1.2/8Vssqjh5V60zdN3TzouxIA--~A/Zmk9ZmlsbDt3PTQwMDtoPTIwMDthcHBpZD1pZXh0cmFjdA--/https://www.triumphexp.com/phile/7/117651/TR4_Race_car_500x374_150x112_.jpg.cf.jpg"/></v:rect><![endif]--><table border="0" class="ydpc27c60b6card-overlay-container-table ydpc27c60b6yahoo-ignore-table" cellpadding="0" cellspacing="0" style="width:100%"><tbody><tr><td class="ydpc27c60b6card-overlay-cell" background="https://s.yimg.com/cv/ae/nq/storm/assets/enhancrV21/1/enhancr_gradient-400x175.png" bgcolor="transparent" valign="top" style="background-color: transparent; border-radius: 2px 2px 0px 0px; min-height: 175px;"><!--[if gte mso 9]><v:rect fill="true" stroke="false" style="width:396px;height:175px;position:absolute;top:-18px;left:0;"><v:fill type="pattern" color="#000000" src="https://s.yimg.com/cv/ae/nq/storm/assets/enhancrV21/1/enhancr_gradient-400x175.png"/><v:textbox inset="0,0,20px,0"><![endif]--><table border="0" class="ydpc27c60b6yahoo-ignore-table" height="175" style="width: 100%; min-height: 175px;"><tbody><tr><td class="ydpc27c60b6card-richInfo2" style="text-align:left;padding:15px 0 0 15px;vertical-align:top"></td><td class="ydpc27c60b6card-actions" style="text-align:right;padding:15px 15px 0 0;vertical-align:top"><div class="ydpc27c60b6card-share-container"></div></td></tr></tbody></table><!--[if gte mso 9]></v:textbox></v:rect><![endif]--></td></tr></tbody></table></td></tr><tr><td><table border="0" align="center" class="ydpc27c60b6card-info ydpc27c60b6yahoo-ignore-table" cellpadding="0" cellspacing="0" style="background:#fff;position:relative;z-index:2;width:100%;max-width:400px;border-radius:0 0 2px 2px;border-top:1px solid rgb(224, 228, 233)"><tbody><tr><td style="background-color:#ffffff;padding:16px 0 16px 12px;vertical-align:top;border-radius:0 0 0 2px"></td><td style="vertical-align:middle;padding:12px 24px 16px 12px;width:99%;font-family:YahooSans, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif;border-radius:0 0 2px 0"><h2 class="ydpc27c60b6card-title" style="font-size: 14px; line-height: 19px; margin: 0px 0px 6px; font-family: YahooSans, Helvetica Neue, Segoe UI, Helvetica, Arial, sans-serif; color: rgb(29, 34, 40); max-width: 314px;">92mm pistons ?? : TR4 & TR4A Forum : The Triumph Experience</h2><p class="ydpc27c60b6card-description" style="font-size: 12px; line-height: 16px; margin: 0px; color: rgb(151, 158, 168);">Hi all, What does it take to install 92mm pistons in a TR4 block ? Does the block itself need to be modified ? C...</p></td></tr></tbody></table></td></tr></tbody></table></td></tr></tbody></table></a></div><div><br></div><div><br></div><br></div><div><br></div><div class="ydpc948573signature">Greg Thompson </div></div>
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On Monday, October 17, 2022 at 11:33:47 PM CDT, Greg Blake via Fot <fot@autox.team.net> wrote:
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<div><div dir="ltr">I was reading some old info about offsetting the TR head for better breathing but was unable to find any good intel in the FOT archives on the topic. <br></div><div dir="ltr"><br></div><div dir="ltr">Who is currently doing this and have you seen a measurable difference in performance? Also, what has it done to the life cycle on the head gasket? I don’t want to trade a small or negligible performance gain for a maintenance problem. <br></div><div dir="ltr"><br></div><div dir="ltr">Thanks from a guy trying to catch faster cars<br></div><div dir="ltr"><br></div><div dir="ltr">Sent from my iPhone<br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr"><a href="mailto:fot@autox.team.net" rel="nofollow" target="_blank">fot@autox.team.net</a><br></div><div dir="ltr"><br></div><div dir="ltr"><a href="http://www.fot-racing.com" rel="nofollow" target="_blank">http://www.fot-racing.com</a><br></div><div dir="ltr"><br></div><div dir="ltr">Donate: <a href="http://www.team.net/donate.html" rel="nofollow" target="_blank">http://www.team.net/donate.html</a><br></div><div dir="ltr">Archive: <a href="http://autox.team.net/archive " rel="nofollow" target="_blank">http://autox.team.net/archive </a><a href="http://www.team.net/pipermail/fot" rel="nofollow" target="_blank">http://www.team.net/pipermail/fot</a><br></div><div dir="ltr">Unsubscribe/Manage: <a href="http://autox.team.net/mailman/options/fot/thompsong@prodigy.net" rel="nofollow" target="_blank">http://autox.team.net/mailman/options/fot/thompsong@prodigy.net</a><br></div><div dir="ltr"><br></div><div dir="ltr"><br></div></div>
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