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Re: [Fot] Race tires

To: Mike Harmuth <ofracer@gmail.com>
Subject: Re: [Fot] Race tires
From: Scott Janzen via Fot <fot@autox.team.net>
Date: Wed, 3 Sep 2025 10:21:40 -0400
Cc: 'Friends of Triumph' Triumph <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <SA1P220MB16566AAE1E18D6CAB8B87379AB01A@SA1P220MB1656.NAMP220.PROD.OUTLOOK.COM> <CAO0FjVZ697Ch7V8uxzPhiMxGEs=MzRTsXnz+WjgCPAb3ubyp5g@mail.gmail.com> a3o3MmW5A/TnPU1a01O1VEPzqm5gyyQ/LjGge1ZUOqV2Q2v+W5J/Ya+BRDm2xNrNsjq5BZWmxqt BJ/bEsiWLKQTAdz38yLBrJBSUM8mmY2caio1thiKsVMuwOZEBgs1w3DODyToU0aIOexVDd6PhV4 KnKlaF+lGgoQV2xj/d7Bn1N9Y/iXn00WVkGcLn2SPUEpdxyN5lbofh/IhtVKF+x6wxEeHk0dpsL jHyoyX5vemCrkuiQrBfhiugOXE0KOY5AWnrMb80hc2dq6/H8BfKO1RZ2zJcDDfWpuoOQEBF6U= engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-03_07,2025-08-28_01,2025-03-28_01 mlxlogscore=999 phishscore=0 spamscore=0 mlxscore=0 clxscore=1015 bulkscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.22.0-2506270000 definitions=main-2509030145
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I currently run the Speedsters and used to run the R888Rs.  I find the =
performance new to be pretty similar.  However, the R888R tends to get =
loose and greasy when hot, 2/3 of the way through a race in the summer, =
where the Speedster holds up better for the duration.  Speedsters wear =
faster,  and cost more.  Toyos wear like iron, but after 10-12 heat =
cycles they are not as good.  I used to have the Toyos shaved, no need =
to do that with the Speedsters.
Just my 2 cents - running 205/60-13s on the GT6.=20
Can=E2=80=99t find good info on the R7 compound.  Someone could call =
Hoosier and ask. =20
TDRs are a bias ply tire and don=E2=80=99t like negative camber =
(according to the Hoosier engineers) where the radial Speedster works =
well with it.  I run almost 3 degrees negative front and rear.  Lots of =
effort to switch between the two tires and compare.  Looking at cars =
with TDRs on the track, they tend to =E2=80=9Cdrift=E2=80=9D more.  Fun =
to watch, and seem to be quick.

On Sep 3, 2025, at 8:23=E2=80=AFAM, Mike Harmuth via Fot =
<fot@autox.team.net> wrote:

I believe Speedsters are the same compound as the , banned by most =
groups, R7 pseudo slicks. I like the Hoosier TDRs. They last longer and =
are very predictable. I have a set of the Proxies but, just me, I didn't =
know when they were going to lose grip. I need some skid pad time with =
them, and a camber change according to Hoosier to feel comfortable. I do =
use them for rain tires and off track parade laps.=20
A good friend of mine loves his Proxies on his MGB, but I consistently =
out handle him in the corners.

mike h

On Wed, Sep 3, 2025 at 7:56=E2=80=AFAM Tony Garmey via Fot =
> Are the Proxy RRR the go to tire ?
> This past weekend at Lime Rock , I ran new Hoosier speedsters . After =
5 heat cycles, they were absolutely rooted . Yeah, I ran them hard =E2=80=A6=
 but still :-/
>=20
> Cheers
> T
>=20
> <IMG_6351.JPG>
>=20
>=20
> <IMG_6378.PNG>
>=20
> Sent from my iPhone
> _______________________________________________
>=20
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>=20
> Donate: http://www.team.net/donate.html
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>=20
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;">I currently =
run the Speedsters and used to run the R888Rs. &nbsp;I find the =
performance new to be pretty similar. &nbsp;However, the R888R tends to =
get loose and greasy when hot, 2/3 of the way through a race in the =
summer, where the Speedster holds up better for the duration. =
&nbsp;Speedsters wear faster, &nbsp;and cost more. &nbsp;Toyos wear like =
iron, but after 10-12 heat cycles they are not as good. &nbsp;I used to =
have the Toyos shaved, no need to do that with the Speedsters.<div>Just =
my 2 cents - running 205/60-13s on the GT6.&nbsp;</div><div>Can=E2=80=99t =
find good info on the R7 compound. &nbsp;Someone could call Hoosier and =
ask. &nbsp;</div><div>TDRs are a bias ply tire and don=E2=80=99t like =
negative camber (according to the Hoosier engineers) where the radial =
Speedster works well with it. &nbsp;I run almost 3 degrees negative =
front and rear. &nbsp;Lots of effort to switch between the two tires and =
compare. &nbsp;Looking at cars with TDRs on the track, they tend to =
=E2=80=9Cdrift=E2=80=9D more. &nbsp;Fun to watch, and seem to be =
quick.<br id=3D"lineBreakAtBeginningOfMessage"><div><br><div>On Sep 3, =
2025, at 8:23=E2=80=AFAM, Mike Harmuth via Fot =
&lt;fot@autox.team.net&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div><div dir=3D"ltr">I believe =
Speedsters are the same compound as the , banned by most groups, R7 =
pseudo slicks. I like the Hoosier TDRs. They last longer and are very =
predictable. I have a set of the Proxies but, just me, I didn't know =
when they were going to lose grip. I need some skid pad time with them, =
and a camber change according to Hoosier to feel comfortable. I do use =
them for rain tires and off track parade laps.&nbsp;<div>A good friend =
of mine loves his Proxies on his MGB, but I consistently&nbsp;out handle =
him in the corners.</div><div><br></div><div>mike h</div></div><br><div =
class=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" =
class=3D"gmail_attr">On Wed, Sep 3, 2025 at 7:56=E2=80=AFAM Tony Garmey =
via Fot &lt;<a =
href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a>&gt; =
wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px =
0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">



<div dir=3D"auto">
<div dir=3D"ltr">Are the Proxy RRR the go to tire ?</div>
<div dir=3D"ltr">This past weekend at Lime Rock , I ran new Hoosier =
speedsters . After 5 heat cycles, they were absolutely rooted . Yeah, I =
ran them hard =E2=80=A6 but still :-/</div>
<div dir=3D"ltr"><br>
</div>
<div dir=3D"ltr">Cheers</div>
<div dir=3D"ltr">T</div>
<div dir=3D"ltr"><br>
<span id=3D"cid:ii_1990f817cac90cc23881">&lt;IMG_6351.JPG&gt;</span></div>=

<div dir=3D"ltr"><br>
<br>
<span id=3D"cid:ii_1990f817cad94988f952">&lt;IMG_6378.PNG&gt;</span></div>=

<br id=3D"m_-4505125123798102033lineBreakAtBeginningOfSignature">
<div dir=3D"ltr">Sent from my iPhone</div>
</div>

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