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Re: [Fot] Hoosier radial slicks

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
From: Chris Marx via Fot <fot@autox.team.net>
Date: Sun, 9 Jul 2023 22:39:50 +0200
Delivered-to: mharc@autox.team.net
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Dear Ken,

=20

When I got the tires made little changes like camber, ride height, sway =
bar settings.

=20

For sure the high pressure on the tires make them feel nice to =
ride=E2=80=A6.but the laptime says -> SLOW.

=20

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.

=20

Means, low pressure is the way to go.

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 necessary temperature.

=20

=20

Cheers

Chris

=20

=20

From: Ken Knight <kknight@klaenv.com>=20
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

=20

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 =
car is driven on the new tires; braking points, turn in, power out can =
also be 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 losing all grip.  Just takes a bit of track time =
and you will no doubt get it.  Ken

=20

Sent from Mail <https://go.microsoft.com/fwlink/?LinkId=3D550986>  for =
Windows

=20

Sent: Sunday, July 9, 2023 8:11 AM
Subject: Re: [Fot] Hoosier radial slicks

=20

I first tried high pressure.=20

Again 5 secon slower in total 10 seconds.=20

=20

Then I tried low pressure....faster then my other tries.=20

Only 3 seconds slower than the Avon Times.=20

=20

Cheers=20

Chris=20

=20

schrieb am So., 9. Juli 2023, 12:08:

27 is my bet.=20

=20

The radials will be a few seconds slower than slicks because less grip

=20

On Sun, Jul 9, 2023 at 12:08 AM Christian Marx via Fot =

Thanks guys,=20

=20

Wit AVON I started with 14psi cold and got up to 22psi hot. Biasply =
slicks.=20

=20

The Hoosiers are radials.

I'm currently 5 seconds slower using 32psi hot and was 6 seconds slower =
with 30 psi hot.

=20

Not sure which direction to go?

34psi or 27psi hot?

=20

Cheers Chris=20

=20

Christian Marx <tr4racing@googlemail.com =

Hi guys,=20

=20

Anyone has some input about the target pressure on these slicks?=20

=20

Cheers=20

Chris=20

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Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot =
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=20


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vlink=3D"#954F72" style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span lang=3DDE>Dear =
Ken,<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DDE><o:p>&nbsp;</o:p></span></p><p class=3DMsoNormal>When I got =
the tires made little changes like camber, ride height, sway bar =
settings.<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>For sure the high pressure on the tires make them feel =
nice to ride=E2=80=A6.but the laptime says -&gt; SLOW.<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>Interestingly the low tire pressure felt even better, =
and the tops speed chart is also interesting:<o:p></o:p></p><p =
class=3DMsoNormal>32psi =E2=80=93 194kph<o:p></o:p></p><p =
class=3DMsoNormal>30psi =E2=80=93 208kph<o:p></o:p></p><p =
class=3DMsoNormal>34psi =E2=80=93 197kph<o:p></o:p></p><p =
class=3DMsoNormal>27psi =E2=80=93 216kph =E2=80=93 5<sup>th</sup> =
fastest=C2=A0 car in that race.<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Means, low =
pressure is the way to go.<o:p></o:p></p><p class=3DMsoNormal>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 necessary =
temperature.<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal>Cheers<o:p></o:p></p><p =
class=3DMsoNormal>Chris<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b><span lang=3DDE>From:</span></b><span =
lang=3DDE> Ken Knight &lt;kknight@klaenv.com&gt; <br><b>Sent:</b> =
Sunday, July 9, 2023 7:58 PM<br><b>To:</b> Christian Marx =
&lt;tr4racing@googlemail.com&gt;; fot@autox. team. net =
&lt;fot@autox.team.net&gt;<br><b>Subject:</b> RE: [Fot] Hoosier radial =
slicks<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>It is a =
<i>setup</i> and may require changes in spring rates, sway bar settings, =
camber and toe to get the most out of the tire.&nbsp; The way the car is =
driven on the new tires; braking points, turn in, power out can also be =
a learning curve.&nbsp; 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 losing all grip. &nbsp;Just takes a bit of track =
time and you will no doubt get it.&nbsp; Ken<o:p></o:p></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><p class=3DMsoNormal>Sent from <a =
href=3D"https://go.microsoft.com/fwlink/?LinkId=3D550986";>Mail</a> for =
Windows<o:p></o:p></p><p class=3DMsoNormal><o:p>&nbsp;</o:p></p><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm =
0cm 0cm'><p class=3DMsoNormal><b>From: </b><a =
href=3D"mailto:fot@autox.team.net";>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";>fot@autox. team. =
net</a><br><b>Subject: </b>Re: [Fot] Hoosier radial =
slicks<o:p></o:p></p></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><p class=3DMsoNormal>I first =
tried high pressure.&nbsp;<o:p></o:p></p><div><p class=3DMsoNormal>Again =
5 secon slower in total 10 seconds.&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Then I tried low pressure....faster then my other =
tries.&nbsp;<o:p></o:p></p></div><div><p class=3DMsoNormal>Only 3 =
seconds slower than the Avon Times.&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Cheers&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Chris&nbsp;<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p =
class=3DMsoNormal>Brian Dolan &lt;<a =
href=3D"mailto:bdolan1776@gmail.com";>bdolan1776@gmail.com</a>&gt; =
schrieb am So., 9. Juli 2023, 12:08:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5=
.0pt'><div><p class=3DMsoNormal>27 is my =
bet.&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>The radials will be a few seconds slower than slicks =
because less grip<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p class=3DMsoNormal>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">fot@autox.team.net</a>&gt; =
wrote:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5=
.0pt'><div><p class=3DMsoNormal>Thanks guys,&nbsp;<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Wit AVON I started with 14psi cold and got up to 22psi =
hot. Biasply slicks.&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>The Hoosiers are radials.<o:p></o:p></p></div><div><p =
class=3DMsoNormal>I'm currently 5 seconds slower using 32psi hot and was =
6 seconds slower with 30 psi hot.<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Not sure which direction to =
go?<o:p></o:p></p></div><div><p class=3DMsoNormal>34psi or 27psi =
hot?<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Cheers Chris&nbsp;<o:p></o:p></p></div></div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p =
class=3DMsoNormal>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:<o:p></o:p></p></div><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5=
.0pt'><div><p class=3DMsoNormal>Hi guys,&nbsp;<o:p></o:p></p><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Anyone has some input about the target pressure on =
these slicks?&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p></div><div><p =
class=3DMsoNormal>Cheers&nbsp;<o:p></o:p></p></div><div><p =
class=3DMsoNormal>Chris&nbsp;<o:p></o:p></p></div></div></blockquote></di=
v></blockquote></div></div></blockquote></div><p class=3DMsoNormal =
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