<div dir="ltr"><div dir="ltr"><div>Just following up on my earlier email to see if anyone has thought about the tire rules and my question below.</div><div><br></div><div>Thanks,</div><div><br></div><div>Mark Cook</div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sun, Oct 4, 2026 at 8:21 AM Mark Cook <<a href="mailto:mecook635@gmail.com">mecook635@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div>All,</div><div><br></div><div>So, I it is time to replace my Hoosier TDRs on my TR6. This TR6 was previously run in SCCA with Hoosier R7 SM7.5 (Spec Miata). When I purchased the TR6 In 2024, then current VDCA/SVRA tire rules did not allow these tires and I switched to the TDRs.</div><div><br></div><div>In 2026 SVRA and VDCA changed the rules for Group 8/CP to allow the Hoosier R7/R8, as well as the Toyo Proxes RR. It appears that VRG and VSCCA continue to require fully treaded tires in CP/DP classes, like the Hoosier Speedster and TDR. Though, VRG is deferring to other organizations tire rules in joint events (VIR / Summit Point with VDCA as example).</div><div><br></div><div>I think most of you run in VDCA Group 3, but has anyone running in Group 8 CP/DP changed or considering changing to Hoosier R8s or Toyo Proxes RR? </div><div><br></div><div>Thanks,</div><div><br></div><div>Mark Cook</div><div><br></div></div>
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