Re: [Fot] VDCA, SVRA, VRG, VSCCA Tire Rules

[Mark Cook <mecook635@gmail.com>]

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Just following up on my earlier email to see if anyone has thought about
the tire rules and my question below.

Thanks,

Mark Cook

On Sun, Oct 4, 2026 at 8:21=E2=80=AFAM Mark Cook <mecook635@gmail.com> wrot=
e:

> All,
>
> 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 allo=
w
> these tires and I switched to the TDRs.
>
> 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 an=
d
> VSCCA continue to require fully treaded tires in CP/DP classes, like the
> Hoosier Speedster and TDR.  Though, VRG is deferring to other organizatio=
ns
> tire rules in joint events (VIR / Summit Point with VDCA as example).
>
> 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?
>
> Thanks,
>
> Mark Cook
>
>

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<div dir=3D"ltr"><div dir=3D"ltr"><div>Just following up on my earlier emai=
l 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=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" c=
lass=3D"gmail_attr">On Sun, Oct 4, 2026 at 8:21=E2=80=AFAM Mark Cook &lt;<a=
 href=3D"mailto:mecook635@gmail.com";>mecook635@gmail.com</a>&gt; wrote:<br>=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;b=
order-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"ltr"><d=
iv>All,</div><div><br></div><div>So, I it is time to replace my Hoosier TDR=
s on my TR6.=C2=A0 This TR6 was previously run in SCCA with Hoosier R7 SM7.=
5 (Spec Miata).=C2=A0 =C2=A0When 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=C2=A0Hoosier R7/R8, as well as the Toyo Proxes RR.=C2=A0 =
It appears that VRG and VSCCA continue to require fully treaded=C2=A0tires =
in CP/DP classes, like the Hoosier Speedster and TDR.=C2=A0 Though, VRG is =
deferring to other organizations tire rules in joint events (VIR / Summit P=
oint with VDCA as example).</div><div><br></div><div>I think most of you ru=
n in VDCA Group 3, but has anyone running in Group 8 CP/DP changed or consi=
dering changing to Hoosier R8s or Toyo Proxes RR?=C2=A0=C2=A0</div><div><br=
></div><div>Thanks,</div><div><br></div><div>Mark Cook</div><div><br></div>=
</div>
</blockquote></div></div>

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