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Lee - I'm not sure where or who you run with, but different sanctioning bo=
dies have different rules regarding tires.
For example, the Hoosier A7. which is basically an autocross tire as well a=
s the R7 are NOT approved for use with SVRA and all sanctioning bodies that=
use the SVRA tire reg. Some groups do allow the R7's - so you have to chec=
k with the group you run with. One group that I run with, Historic Racing G=
roup, allows the Hoosier R7's. Talking to other drivers, those tires are at=
least 2 seconds a lap faster than the Hoosier TDR's that I run to be legal=
with VRG and SVRA. Also note that some racing groups will let you run the =
faster tires, but you run with more modern cars that will (mostly) be a LOT=
faster.
If the rules for your group are relatively lax, the Hoosier R7 is a very fa=
st tire. If you are just learning vintage, I would stay away from the faste=
st tires until you get more comfortable with both the car and those drivers=
around you. That said, if your group requires a minimum treadwear rating, =
you need to focus on that. For example, some groups say 200 min on the TW a=
nd that limits your choices. Also note that in addition to treadwear rating=
s, some groups have limits on the tire profile so you have to pay attention=
to that.
Last -=C2=A0 if you are forced to switch to bias-ply tires, you will have t=
o look at your setup specs, specifically the camber settings. Bias tires ru=
n with much less camber than the radials require.
Regards,Bob Lang
On Thursday, January 6, 2022, 08:52:29 PM EST, LEE FOLLANSBEE via Fot <=
fot@autox.team.net> wrote: =20
=20
Currently running Hoosier P185/60zr13 A7 on my Racing Spitfire.=C2=A0 Get=
ting ready to order new tires for this year. Wondering if anyone has input =
on a possibly better choice?
Lee Follansbee_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
@yahoo.com
=20
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<html><head></head><body><div class=3D"ydp9d33c712yahoo-style-wrap" style=
=3D"font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 1=
3px;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">Lee - I'm not sure where or =
who you run with, but different sanctioning bodies have different rules reg=
arding tires.</div><div dir=3D"ltr" data-setdir=3D"false"><br></div><div di=
r=3D"ltr" data-setdir=3D"false">For example, the Hoosier A7. which is basic=
ally an autocross tire as well as the R7 are NOT approved for use with SVRA=
and all sanctioning bodies that use the SVRA tire reg. Some groups do allo=
w the R7's - so you have to check with the group you run with. One group th=
at I run with, Historic Racing Group, allows the Hoosier R7's. Talking to o=
ther drivers, those tires are at least 2 seconds a lap faster than the Hoos=
ier TDR's that I run to be legal with VRG and SVRA. Also note that some rac=
ing groups will let you run the faster tires, but you run with more modern =
cars that will (mostly) be a LOT faster.<br></div><div dir=3D"ltr" data-set=
dir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false">If the rules=
for your group are relatively lax, the Hoosier R7 is a very fast tire. If =
you are just learning vintage, I would stay away from the fastest tires unt=
il you get more comfortable with both the car and those drivers around you.=
That said, if your group requires a minimum treadwear rating, you need to =
focus on that. For example, some groups say 200 min on the TW and that limi=
ts your choices. Also note that in addition to treadwear ratings, some grou=
ps have limits on the tire profile so you have to pay attention to that.</d=
iv><div dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-s=
etdir=3D"false">Last - if you are forced to switch to bias-ply tires,=
you will have to look at your setup specs, specifically the camber setting=
s. Bias tires run with much less camber than the radials require.<br></div>=
<div dir=3D"ltr" data-setdir=3D"false"><br></div><div dir=3D"ltr" data-setd=
ir=3D"false">Regards,</div><div dir=3D"ltr" data-setdir=3D"false">Bob Lang<=
br></div><div><br></div>
=20
</div><div id=3D"ydp40fa996fyahoo_quoted_2206501072" class=3D"ydp40=
fa996fyahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Thursday, January 6, 2022, 08:52:29 PM EST, LEE FOLL=
ANSBEE via Fot <fot@autox.team.net> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"ydp40fa996fyiv8262495718">
=20
<div dir=3D"ltr">
<div style=3D"font-family:Calibri, Helvetica, sans-serif;font-size:12pt;col=
or:rgb(0, 0, 0);">
Currently running Hoosier P185/60zr13 A7 on my Racing Spitfire. Getti=
ng ready to order new tires for this year. Wondering if anyone has input on=
a possibly better choice?</div>
<div style=3D"font-family:Calibri, Helvetica, sans-serif;font-size:12pt;col=
or:rgb(0, 0, 0);">
<br>
</div>
<div style=3D"font-family:Calibri, Helvetica, sans-serif;font-size:12pt;col=
or:rgb(0, 0, 0);">
Lee Follansbee</div>
</div>
</div>_______________________________________________<br><a href=3D"mailto:=
fot@autox.team.net" rel=3D"nofollow" target=3D"_blank">fot@autox.team.net</=
a><br><br><a href=3D"http://www.fot-racing.com"; rel=3D"nofollow" target=3D"=
_blank">http://www.fot-racing.com</a><br><br>Donate: <a href=3D"http://www.=
team.net/donate.html" rel=3D"nofollow" target=3D"_blank">http://www.team.ne=
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ttp://www.team.net/pipermail/fot</a><br>Unsubscribe/Manage: <a href=3D"http=
://autox.team.net/mailman/options/fot/robertlangtr6@yahoo.com" rel=3D"nofol=
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</div>
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_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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