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Re: [Fot] Hoosier radial slicks

To: tr4racing@googlemail.com
Subject: Re: [Fot] Hoosier radial slicks
From: Mike Harmuth via Fot <fot@autox.team.net>
Date: Sun, 9 Jul 2023 17:53:29 -0400
Cc: "fot@autox. team. net" <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
References: <517DEEF2-E3EA-4272-9AA2-27BDA6B8C6B2@gmail.com> <CAPrGtEPE-4HOs4R+hwX9d_ez5Za5w23a2vFzsqG_uKZD16GRhA@mail.gmail.com> <CAPrGtENSfaE0jOMwcwdewVFSkUV7kjPupa6KPxN9fv=zNc3_dw@mail.gmail.com> <CAL43nSmyjQRL5AP0L8h8M+Kmt11GTRVmqnzNHJa4XFnfHX-HDw@mail.gmail.com> <CAPrGtEPrn=uRftx7JiEiNan7WK9xDgCCdOvfWWBZYRgLLF9adQ@mail.gmail.com> <64aaf521.170a0220.7ccc1.d95eSMTPIN_ADDED_MISSING@mx.google.com> <013001d9b2a5$82a1cc90$87e565b0$@gmail.com> <013701d9b2a8$cc177700$64466500$@gmail.com>
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Chris, I know there might be some problems for you to contact Hoosier in
the US but I've spoken to their support engineers a couple of times. They
had good information for setup and starting pressures/ending temps. The
contact link below also has email info

Oops, never mind the time difference, I see they have a German support
office in Hanover as well.

https://www.hoosiertire.com/contact/

mike h

On Sun, Jul 9, 2023 at 5:34=E2=80=AFPM Chris Marx via Fot <fot@autox.team.n=
et>
wrote:

> I need to add=E2=80=A6fastest lap with low tire pressure was in lap 2.
>
> Means=E2=80=A6.going lower to move the fastest lap to lap 10.
>
>
>
> Cheers
>
> Chris
>
>
>
>
>
> *From:* tr4racing@googlemail.com <tr4racing@googlemail.com>
> *Sent:* Sunday, July 9, 2023 10:40 PM
> *To:* 'Ken Knight' <kknight@klaenv.com>; 'Christian Marx' <
> tr4racing@googlemail.com>; 'fot@autox. team. net' <fot@autox.team.net>
> *Subject:* RE: [Fot] Hoosier radial slicks
>
>
>
> Dear Ken,
>
>
>
> When I got the tires made little changes like camber, ride height, sway
> bar settings.
>
>
>
> For sure the high pressure on the tires make them feel nice to ride=E2=80=
=A6.but
> the laptime says -> SLOW.
>
>
>
> Interestingly the low tire pressure felt even better, and the tops speed
> chart is also interesting:
>
> 32psi =E2=80=93 194kph
>
> 30psi =E2=80=93 208kph
>
> 34psi =E2=80=93 197kph
>
> 27psi =E2=80=93 216kph =E2=80=93 5th fastest  car in that race.
>
>
>
> Means, low pressure is the way to go.
>
> But I=E2=80=99ll get a softer compound for the back end. The tire man sai=
d, the
> rear tires don=E2=80=99t reach the necessary temperature.
>
>
>
>
>
> Cheers
>
> Chris
>
>
>
>
>
> *From:* Ken Knight <kknight@klaenv.com>
> *Sent:* Sunday, July 9, 2023 7:58 PM
> *To:* Christian Marx <tr4racing@googlemail.com>; fot@autox. team. net <
> fot@autox.team.net>
> *Subject:* RE: [Fot] Hoosier radial slicks
>
>
>
> It is a *setup* and may require changes in spring rates, sway bar
> settings, camber and toe to get the most out of the tire.  The way the ca=
r
> is driven on the new tires; braking points, turn in, power out can also b=
e
> a learning curve.  The =E2=80=9Cfeel=E2=80=9D of these tires is going to =
be different than
> the old tire and possible as you get to the edge more subtle before losin=
g
> all grip.  Just takes a bit of track time and you will no doubt get it.  =
Ken
>
>
>
> Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=3D550986> for
> Windows
>
>
>
> *From: *Christian Marx via Fot <fot@autox.team.net>
> *Sent: *Sunday, July 9, 2023 8:11 AM
> *To: *fot@autox. team. net <fot@autox.team.net>
> *Subject: *Re: [Fot] Hoosier radial slicks
>
>
>
> I first tried high pressure.
>
> Again 5 secon slower in total 10 seconds.
>
>
>
> Then I tried low pressure....faster then my other tries.
>
> Only 3 seconds slower than the Avon Times.
>
>
>
> Cheers
>
> Chris
>
>
>
> Brian Dolan <bdolan1776@gmail.com> schrieb am So., 9. Juli 2023, 12:08:
>
> 27 is my bet.
>
>
>
> The radials will be a few seconds slower than slicks because less grip
>
>
>
> On Sun, Jul 9, 2023 at 12:08 AM Christian Marx via Fot <fot@autox.team.ne=
t>
> wrote:
>
> Thanks guys,
>
>
>
> Wit AVON I started with 14psi cold and got up to 22psi hot. Biasply
> slicks.
>
>
>
> The Hoosiers are radials.
>
> I'm currently 5 seconds slower using 32psi hot and was 6 seconds slower
> with 30 psi hot.
>
>
>
> Not sure which direction to go?
>
> 34psi or 27psi hot?
>
>
>
> Cheers Chris
>
>
>
> Christian Marx <tr4racing@googlemail.com> schrieb am Sa., 8. Juli 2023,
> 21:34:
>
> Hi guys,
>
>
>
> Anyone has some input about the target pressure on these slicks?
>
>
>
> Cheers
>
> Chris
>
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
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>
>
> _______________________________________________
> fot@autox.team.net
>
> http://www.fot-racing.com
>
> Donate: http://www.team.net/donate.html
> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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>
>
>

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<div dir=3D"ltr">Chris, I know there might be some problems for you to cont=
act Hoosier in the US=C2=A0but I&#39;ve spoken to their support engineers a=
 couple of times. They had good information for setup and starting pressure=
s/ending temps. The contact link below also has email info<div><br></div><d=
iv>Oops, never mind the time difference, I see they have a German support o=
ffice in Hanover as well.<br><div><br></div><div><a href=3D"https://www.hoo=
siertire.com/contact/">https://www.hoosiertire.com/contact/</a><br></div></=
div><div><br></div><div>mike h</div></div><br><div class=3D"gmail_quote"><d=
iv dir=3D"ltr" class=3D"gmail_attr">On Sun, Jul 9, 2023 at 5:34=E2=80=AFPM =
Chris Marx 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"mar=
gin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1=
ex"><div class=3D"msg6797283105108852899"><div lang=3D"EN-US" style=3D"over=
flow-wrap: break-word;"><div class=3D"m_6797283105108852899WordSection1"><p=
 class=3D"MsoNormal">I need to add=E2=80=A6fastest lap with low tire pressu=
re was in lap 2.<u></u><u></u></p><p class=3D"MsoNormal">Means=E2=80=A6.goi=
ng lower to move the fastest lap to lap 10.<u></u><u></u></p><p class=3D"Ms=
oNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Cheers<u></u><u></u=
></p><p class=3D"MsoNormal">Chris<u></u><u></u></p><p class=3D"MsoNormal"><=
u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><div>=
<div style=3D"border-right:none;border-bottom:none;border-left:none;border-=
top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm"><p class=3D"MsoNormal">=
<b><span lang=3D"DE">From:</span></b><span lang=3D"DE"> <a href=3D"mailto:t=
r4racing@googlemail.com" target=3D"_blank">tr4racing@googlemail.com</a> &lt=
;<a href=3D"mailto:tr4racing@googlemail.com"; target=3D"_blank">tr4racing@go=
oglemail.com</a>&gt; <br><b>Sent:</b> Sunday, July 9, 2023 10:40 PM<br><b>T=
o:</b> &#39;Ken Knight&#39; &lt;<a href=3D"mailto:kknight@klaenv.com"; targe=
t=3D"_blank">kknight@klaenv.com</a>&gt;; &#39;Christian Marx&#39; &lt;<a hr=
ef=3D"mailto:tr4racing@googlemail.com"; target=3D"_blank">tr4racing@googlema=
il.com</a>&gt;; &#39;fot@autox. team. net&#39; &lt;<a href=3D"mailto:fot@au=
tox.team.net" target=3D"_blank">fot@autox.team.net</a>&gt;<br><b>Subject:</=
b> RE: [Fot] Hoosier radial slicks<u></u><u></u></span></p></div></div><p c=
lass=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><span lan=
g=3D"DE">Dear Ken,<u></u><u></u></span></p><p class=3D"MsoNormal"><span lan=
g=3D"DE"><u></u>=C2=A0<u></u></span></p><p class=3D"MsoNormal">When I got t=
he tires made little changes like camber, ride height, sway bar settings.<u=
></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"=
MsoNormal">For sure the high pressure on the tires make them feel nice to r=
ide=E2=80=A6.but the laptime says -&gt; SLOW.<u></u><u></u></p><p class=3D"=
MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Interestingly the=
 low tire pressure felt even better, and the tops speed chart is also inter=
esting:<u></u><u></u></p><p class=3D"MsoNormal">32psi =E2=80=93 194kph<u></=
u><u></u></p><p class=3D"MsoNormal">30psi =E2=80=93 208kph<u></u><u></u></p=
><p class=3D"MsoNormal">34psi =E2=80=93 197kph<u></u><u></u></p><p class=3D=
"MsoNormal">27psi =E2=80=93 216kph =E2=80=93 5<sup>th</sup> fastest=C2=A0 c=
ar in that race.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></=
u></p><p class=3D"MsoNormal">Means, low pressure is the way to go.<u></u><u=
></u></p><p class=3D"MsoNormal">But I=E2=80=99ll get a softer compound for =
the back end. The tire man said, the rear tires don=E2=80=99t reach the nec=
essary temperature.<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u=
></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNorm=
al">Cheers<u></u><u></u></p><p class=3D"MsoNormal">Chris<u></u><u></u></p><=
p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal"><u></u=
>=C2=A0<u></u></p><div><div style=3D"border-right:none;border-bottom:none;b=
order-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">=
<p class=3D"MsoNormal"><b><span lang=3D"DE">From:</span></b><span lang=3D"D=
E"> Ken Knight &lt;<a href=3D"mailto:kknight@klaenv.com"; target=3D"_blank">=
kknight@klaenv.com</a>&gt; <br><b>Sent:</b> Sunday, July 9, 2023 7:58 PM<br=
><b>To:</b> Christian Marx &lt;<a href=3D"mailto:tr4racing@googlemail.com"; =
target=3D"_blank">tr4racing@googlemail.com</a>&gt;; fot@autox. team. net &l=
t;<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.team.ne=
t</a>&gt;<br><b>Subject:</b> RE: [Fot] Hoosier radial slicks<u></u><u></u><=
/span></p></div></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p cla=
ss=3D"MsoNormal">It is a <i>setup</i> and may require changes in spring rat=
es, sway bar settings, camber and toe to get the most out of the tire.=C2=
=A0 The way the car is driven on the new tires; braking points, turn in, po=
wer out can also be a learning curve.=C2=A0 The =E2=80=9Cfeel=E2=80=9D of t=
hese tires is going to be different than the old tire and possible as you g=
et to the edge more subtle before losing all grip.=C2=A0 Just takes a bit o=
f track time and you will no doubt get it.=C2=A0 Ken<u></u><u></u></p><p cl=
ass=3D"MsoNormal"><u></u>=C2=A0<u></u></p><p class=3D"MsoNormal">Sent from =
<a href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986"; target=3D"_bla=
nk">Mail</a> for Windows<u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=
=A0<u></u></p><div style=3D"border-right:none;border-bottom:none;border-lef=
t:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm"><p class=
=3D"MsoNormal"><b>From: </b><a href=3D"mailto:fot@autox.team.net"; target=3D=
"_blank">Christian Marx via Fot</a><br><b>Sent: </b>Sunday, July 9, 2023 8:=
11 AM<br><b>To: </b><a href=3D"mailto:fot@autox.team.net"; target=3D"_blank"=
>fot@autox. team. net</a><br><b>Subject: </b>Re: [Fot] Hoosier radial slick=
s<u></u><u></u></p></div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p><di=
v><p class=3D"MsoNormal">I first tried high pressure.=C2=A0<u></u><u></u></=
p><div><p class=3D"MsoNormal">Again 5 secon slower in total 10 seconds.=C2=
=A0<u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u>=
</p></div><div><p class=3D"MsoNormal">Then I tried low pressure....faster t=
hen my other tries.=C2=A0<u></u><u></u></p></div><div><p class=3D"MsoNormal=
">Only 3 seconds slower than the Avon Times.=C2=A0<u></u><u></u></p></div><=
div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p class=3D"M=
soNormal">Cheers=C2=A0<u></u><u></u></p></div><div><p class=3D"MsoNormal">C=
hris=C2=A0<u></u><u></u></p></div></div><p class=3D"MsoNormal"><u></u>=C2=
=A0<u></u></p><div><div><p class=3D"MsoNormal">Brian Dolan &lt;<a href=3D"m=
ailto:bdolan1776@gmail.com" target=3D"_blank">bdolan1776@gmail.com</a>&gt; =
schrieb am So., 9. Juli 2023, 12:08:<u></u><u></u></p></div><blockquote sty=
le=3D"border-top:none;border-right:none;border-bottom:none;border-left:1pt =
solid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin:5pt 0cm 5pt 4.8pt"><d=
iv><p class=3D"MsoNormal">27 is my bet.=C2=A0<u></u><u></u></p></div><div><=
p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p class=3D"MsoNor=
mal">The radials will be a few seconds slower than slicks because less grip=
<u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p=
><div><div><p class=3D"MsoNormal">On Sun, Jul 9, 2023 at 12:08 AM Christian=
 Marx via Fot &lt;<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">f=
ot@autox.team.net</a>&gt; wrote:<u></u><u></u></p></div><blockquote style=
=3D"border-top:none;border-right:none;border-bottom:none;border-left:1pt so=
lid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;margin:5pt 0cm 5pt 4.8pt"><div=
><p class=3D"MsoNormal">Thanks guys,=C2=A0<u></u><u></u></p><div><p class=
=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p class=3D"MsoNormal">Wi=
t AVON I started with 14psi cold and got up to 22psi hot. Biasply slicks.=
=C2=A0<u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u><=
/u></p></div><div><p class=3D"MsoNormal">The Hoosiers are radials.<u></u><u=
></u></p></div><div><p class=3D"MsoNormal">I&#39;m currently 5 seconds slow=
er using 32psi hot and was 6 seconds slower with 30 psi hot.<u></u><u></u><=
/p></div><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p =
class=3D"MsoNormal">Not sure which direction to go?<u></u><u></u></p></div>=
<div><p class=3D"MsoNormal">34psi or 27psi hot?<u></u><u></u></p></div><div=
><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p class=3D"MsoN=
ormal">Cheers Chris=C2=A0<u></u><u></u></p></div></div><p class=3D"MsoNorma=
l"><u></u>=C2=A0<u></u></p><div><div><p class=3D"MsoNormal">Christian Marx =
&lt;<a href=3D"mailto:tr4racing@googlemail.com"; target=3D"_blank">tr4racing=
@googlemail.com</a>&gt; schrieb am Sa., 8. Juli 2023, 21:34:<u></u><u></u><=
/p></div><blockquote style=3D"border-top:none;border-right:none;border-bott=
om:none;border-left:1pt solid rgb(204,204,204);padding:0cm 0cm 0cm 6pt;marg=
in:5pt 0cm 5pt 4.8pt"><div><p class=3D"MsoNormal">Hi guys,=C2=A0<u></u><u><=
/u></p><div><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><div><p cl=
ass=3D"MsoNormal">Anyone has some input about the target pressure on these =
slicks?=C2=A0<u></u><u></u></p></div><div><p class=3D"MsoNormal"><u></u>=C2=
=A0<u></u></p></div><div><p class=3D"MsoNormal">Cheers=C2=A0<u></u><u></u><=
/p></div><div><p class=3D"MsoNormal">Chris=C2=A0<u></u><u></u></p></div></d=
iv></blockquote></div></blockquote></div></div></blockquote></div><p class=
=3D"MsoNormal" style=3D"margin-right:0cm;margin-bottom:12pt;margin-left:9.6=
pt">_______________________________________________<br><a href=3D"mailto:fo=
t@autox.team.net" target=3D"_blank">fot@autox.team.net</a><br><br><a href=
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/a><br><br>Donate: <a href=3D"http://www.team.net/donate.html"; target=3D"_b=
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/a><u></u><u></u></p><p class=3D"MsoNormal"><u></u>=C2=A0<u></u></p></div><=
/div>_______________________________________________<br>
<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.team.net<=
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