<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Owen - All<div>Suggest you all READ the SSCC Rule book (page 27)</div><div><br></div><div>Specifically section VIII (Tires). Eric has made a point now to confirm that he will no longer approve any H, or V rated tires on vehicles capable of 150+ speeds that are only H or V rated irregardless ewvern if you are planning to run Touring speeds. </div><div><br></div><div>For cars capable of those 150+ speeds like The Vikings Lambo or Mercedes or Pantera or Corvette ALL now require at least a W or Z speed rated tire now. </div><div><br></div><div>And remember the 6 years max time from mfg date on all 4 tires for Touring and 5 years mac for Grand Touring. </div><div><br></div><div>Perhaps Eric’s Challenger tire blow out last Sept may have got some SSCC Board attention on tires. 😉</div><div><br></div><div>One more reason why Mark and most of us have been using Y rated performance tires for years. </div><div><br></div><div><br></div><div>Dennis<br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On May 26, 2023, at 3:00 PM, Owen Lee Green <oneeyez4263@gmail.com> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="auto">Yeah a tire that would live up to our open road racing expectations. With less likelihood of failure at extreme speeds.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, May 26, 2023, 2:56 PM Asa Jay Laughton <<a href="mailto:asajay@asajay.com">asajay@asajay.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">I like that idea. :)<div><br></div><div>Asa Jay<br><br><div dir="ltr">Sent via radio waves</div><div dir="ltr"><br><blockquote type="cite">On May 26, 2023, at 12:51, Owen Lee Green <<a href="mailto:oneeyez4263@gmail.com" target="_blank" rel="noreferrer">oneeyez4263@gmail.com</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div dir="auto">Be nice if tire manufacturers would come up with a Z2R spec. Tire would have to handle 220 on a shifting dyno for an hour.</div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, May 26, 2023, 12:48 PM DENNIS ANTENUCCI via TPR <<a href="mailto:tpr@teampanteraracing.com" target="_blank" rel="noreferrer">tpr@teampanteraracing.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto">Great analysis Larry. Thanks for sharing with us! <div><br></div><div>Notice my or Macs FYI….that no one including me is “recommending” any tire or air pressure recommendation. </div><div><br></div><div>Yous Pays yo money and take yo chances although I will personally NEVER run anything less then a Y rated performance rated tire. </div><div><br></div><div>Dennis</div><div><div><br></div><div><br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On May 26, 2023, at 11:28 AM, Larry Stock <<a href="mailto:larrys@panteraparts.com" rel="noreferrer noreferrer" target="_blank">larrys@panteraparts.com</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div><p class="MsoNormal" style="margin-left:.5in">SSC is not a road handling or touring around town event, it is a straight line speed event. The theory is that higher pressures keep the tire rounder with less sidewall flex. Sidewall flex means more frictional heat buildup. Too much speed and heat leads to tire failure. With that in mind that over the past 20 years, the tires put on your cars today have about half the sidewall, thus probably less than half the sidewall flex. I found 37 to 40 PSI in my /35 series tires gave me max adhesion verses my /50 series tires at 22 to 27 PSI for road course applications. So there is some truth in all that is being said, but try not to generalize the statements as one fits all vehicles or applications. Now let’s not talk truck tires<u></u><u></u></p><p class="MsoNormal" style="margin-left:.5in">Larry<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:12.0pt;color:black">From: </span></b><span style="font-size:12.0pt;color:black">TPR <<a href="mailto:tpr-bounces@teampanteraracing.com" rel="noreferrer noreferrer" target="_blank">tpr-bounces@teampanteraracing.com</a>> on behalf of DENNIS ANTENUCCI via TPR <<a href="mailto:tpr@teampanteraracing.com" rel="noreferrer noreferrer" target="_blank">tpr@teampanteraracing.com</a>><br><b>Reply-To: </b>DENNIS ANTENUCCI <<a href="mailto:teampantera@yahoo.com" rel="noreferrer noreferrer" target="_blank">teampantera@yahoo.com</a>><br><b>Date: </b>Friday, May 26, 2023 at 11:01 AM<br><b>To: </b>Bjoern Flesland <<a href="mailto:bflesland@gmail.com" rel="noreferrer noreferrer" target="_blank">bflesland@gmail.com</a>><br><b>Cc: </b>team pantera racing <<a href="mailto:tpr@teampanteraracing.com" rel="noreferrer noreferrer" target="_blank">tpr@teampanteraracing.com</a>>, Asa Jay Laughton <<a href="mailto:asajay@asajay.com" rel="noreferrer noreferrer" target="_blank">asajay@asajay.com</a>>, David Carpenter <<a href="mailto:davecarp80138@outlook.com" rel="noreferrer noreferrer" target="_blank">davecarp80138@outlook.com</a>>, Mark Darius Frank <<a href="mailto:markdariusfrank@gmail.com" rel="noreferrer noreferrer" target="_blank">markdariusfrank@gmail.com</a>>, Paul Katchadourian <<a href="mailto:paul@katchenvironmental.com" rel="noreferrer noreferrer" target="_blank">paul@katchenvironmental.com</a>>, Russ Russell <<a href="mailto:russrussell854@gmail.com" rel="noreferrer noreferrer" target="_blank">russrussell854@gmail.com</a>>, <<a href="mailto:laurieferrari@aol.com" rel="noreferrer noreferrer" target="_blank">laurieferrari@aol.com</a>><br><b>Subject: </b>Re: [TPR] C8 Z51 at NORC<u></u><u></u></span></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><p class="MsoNormal">Mac ran owners manual pressures which is exactly what the C8 Z51 sticker reecommends. <u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">My 25 year ORR history of running higher temps was based on a couple Goodyear and BFG tire engineers who recommended using higher inflation pressure based on tire failures they had data onin endurance events.<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">While Eric (Tire guy) now a Pantera owner confirmed the official recommended tire pressures he also lost a tire last Sept. <span style="font-family:"Apple Color Emoji"">😂😂</span><u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">Dawg<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><u></u> <u></u></p><div><p class="MsoNormal">Sent from my iPhone<u></u><u></u></p></div><div><p class="MsoNormal"><br><br><u></u><u></u></p><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal" style="margin-bottom:12.0pt">On May 26, 2023, at 10:49 AM, Bjoern Flesland <<a href="mailto:bflesland@gmail.com" rel="noreferrer noreferrer" target="_blank">bflesland@gmail.com</a>> wrote:<u></u><u></u></p></blockquote></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"><u></u><u></u></p><div><p class="MsoNormal">Hi Dennis,<u></u><u></u></p></div><div><p class="MsoNormal">What does it say in your owners manual and on the car tire sticker regarding tire pressure?<u></u><u></u></p></div><div><p class="MsoNormal">The cold pressure increases approx 4 psi when measured hot, immediately at finish line.<u></u><u></u></p></div><div><p class="MsoNormal">I’ve seen a difference between 3 and 5 psi. <u></u><u></u></p></div><div><p class="MsoNormal">It probably also depends on your speed, IMO.<u></u><u></u></p></div><div><p class="MsoNormal">Cheers Bjoern <span style="font-family:"Apple Color Emoji"">🏁</span><u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal">fre. 26. mai 2023 kl. 19:35 skrev Mad Dog Antenucci <<a href="mailto:teampantera@yahoo.com" rel="noreferrer noreferrer" target="_blank">teampantera@yahoo.com</a>>:<u></u><u></u></p></div><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in"><div><div><div><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica Neue"">Only concern I have is on tire pressures Mac ran...but those lower air pressures worked for him and may work for others. For 25+ years of ORR'ing I have always <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica Neue"">run +/- 38-40 Fronts and 42-44 psi rears in the Pantera. But the C8 is also a much heavier vehicle.<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica Neue"">Thoughts, questions or comments?<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica Neue""><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica Neue"">Dawg<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica Neue""><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Helvetica Neue""><u></u> <u></u></span></p></div></div></div><div><div id="m_650645577257873063m_7959116244154989121m_5990521721522286684ydp10d0eb77yahoo_quoted_5336082533"><div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">On Friday, May 26, 2023 at 10:16:25 AM PDT, Asa Jay Laughton <<a href="mailto:asajay@asajay.com" rel="noreferrer noreferrer" target="_blank">asajay@asajay.com</a>> wrote: <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a"><u></u> <u></u></span></p></div><div><div id="m_650645577257873063m_7959116244154989121m_5990521721522286684ydp10d0eb77yiv2005653656"><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">Nice!<u></u><u></u></span></p><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a"><u></u> <u></u></span></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">Asa Jay<u></u><u></u></span></p><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">Sent via radio waves<u></u><u></u></span></p></div><div id="m_650645577257873063m_7959116244154989121m_5990521721522286684ydp10d0eb77yiv2005653656yqt32090"><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a"><br><br><u></u><u></u></span></p><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">On May 26, 2023, at 10:03, DENNIS ANTENUCCI <<a href="mailto:TEAMPANTERA@yahoo.com" rel="noreferrer noreferrer" target="_blank">TEAMPANTERA@yahoo.com</a>> wrote:<u></u><u></u></span></p></blockquote></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"><span style="font-size:10.0pt;color:#26282a"></span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a"><u></u><u></u></span></p></div></blockquote></div></div></div><div id="m_650645577257873063m_7959116244154989121m_5990521721522286684ydp10d0eb77yiv2005653656yqt40648"><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">No Pantera content here…so only copying you few because you either have a vette or are considering one in the future.<u></u><u></u></span></p><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a"><u></u> <u></u></span></p><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">Malcolm “Mac” Johnson shared with me his C8’s vitals below at the NORC last Sunday. <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a"><u></u> <u></u></span></p><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">BTW, MAC BTW uses hand timer won 1st place. In fact Mac usually wins his class. <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a"><u></u> <u></u></span></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">Dennis <u></u><u></u></span></p><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">Sent from my iPhone<u></u><u></u></span></p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a"><br>Begin forwarded message:<u></u><u></u></span></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">From:</span></b><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a"> Malcolm Johnson <<a href="mailto:mjohnson2003@comcast.net" rel="noreferrer noreferrer" target="_blank">mjohnson2003@comcast.net</a>><br><b>Date:</b> May 25, 2023 at 11:17:00 PM PDT<br><b>To:</b> DENNIS ANTENUCCI <<a href="mailto:teampantera@yahoo.com" rel="noreferrer noreferrer" target="_blank">teampantera@yahoo.com</a>><br><b>Subject:</b> <b>C8 run</b><u></u><u></u></span></p></div></blockquote><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"><span style="font-size:10.0pt;color:#26282a"></span><span style="font-size:10.0pt;font-family:"Helvetica Neue";color:#26282a">Well I must say I’m pleasantly surprised about my C8 cooling. My C6Z always runs 195-210 while cruising to Vegas at 100 degrees and 80-90mph. The new car runs 174-176 degrees at 100 outside temp. At race speeds 140-162mph, all temps come up to the 180s. I’m talking coolant, oil, and tranny. The last 10 miles running higher rpm’s in a lower gear to lessen speed variation pushed temps to 190. The only time I saw 200 was after slowing down to a crawl. All in all, it runs cool across the board. Regarding tires, I talked to Eric P and aired up the tires to about 33-34 cold. At speed the tires were 39-40 pounds but the temp stayed green “Normal “. No issues at all. <br><br>Mac<br><br>Sent from my iPhone<u></u><u></u></span></p></div></blockquote></div></div></div></div></div></div></div></div></div></div></blockquote></div></div></div></blockquote></div></div><p class="MsoNormal">_______________________________________________ TPR mailing list <a href="mailto:TPR@teampanteraracing.com" rel="noreferrer noreferrer" target="_blank">TPR@teampanteraracing.com</a> <a href="http://teampanteraracing.com/mailman/listinfo/tpr_teampanteraracing.com" rel="noreferrer noreferrer" target="_blank">http://teampanteraracing.com/mailman/listinfo/tpr_teampanteraracing.com</a> <u></u><u></u></p></div>
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