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I guess these are bias-ply tires. Bias-ply tires are difficult to deal wit=
h. Some say, don't even bother with balancing until they are broken in wit=
h say, a few hundred miles on them. They tend to be out-of-round when new. =
I had huge problems with two new sets of Hoosier Vintage TD race tires for=
my TR3. Around $1200 a set, mounted and balanced. I drive my car on the =
street too, so I was able to discover this before getting to the track. Re=
peated tries at balancing went nowhere. I had them "road force balanced" m=
ultiple times in attempt to improve the matter. This machine reads the run=
-out. I think 20 was about the number that you would not feel while drivi=
ng. None of the tires were under 30 and some were 80. You didn't need a m=
achine to see how out-of round they were, even at 30. Terrible. They real=
ly upset a weekend of racing at the Laguna Seca, Rolex Reunion. The car sh=
ook terribly between 60-90 mph. Above 90 was better. After the event I c=
alled Hoosier and they sent me another set, no charge. I had to eat the ex=
tra attempts at balancing. The second set was also very bad and a year lat=
er, my second Rolex race weekend was equally disappointing. Hoosier sent a=
third set, no charge. This set was excellent. This event is the only on=
e that I have to run bias-ply race tires. I've heard from other racers tha=
t the much more expensive Dunlops are even worst. Hoosier did not request =
the bad sets be sent back. I have since remounted a couple of lower "road =
force" numbered tires and they are good now. So with some wear, they did g=
et better. =20
Roger Kraus Racing, tire company, recommended truing these tires by shaving=
the tread when newly mounted if they are noticeably out-of round and take =
a lot of weight to balance. =20
Happy motoring,
Dave H.
> On 10/13/2020 3:05 PM auprichard@uprichard.net wrote:
>=20
>=20
>=20
> Just for what it=E2=80=99s worth=E2=80=A6..
>=20
> =20
>=20
> When I bought my TR5 from Charles Runyan=E2=80=99s estate, it came wi=
th 15 year-old tires. They had little to no wear, and drove fine, but I de=
cided I should do the right thing and replace them if I was to take loved o=
nes out for a drive in the car.
>=20
> =20
>=20
> Since there was only one manufacturer to choose from for redline tire=
s, I bought 4 tires from Coker, through Discount Tire. Not cheap!!
>=20
> =20
>=20
> I put them on the car and there was a terrible wobble around 50 mph. =
I took them back twice to Discount to get them balanced, but the wobble pe=
rsisted. Finally, I took them to an old guy (well, older than me) in Detro=
it who boasted he had balanced wire wheels for 40 years. He told me the ti=
res were so out of true they could not be balanced.=20
>=20
> =20
>=20
> I took them back to Discount Tire and they called Coker. Coker refus=
ed to take them back unless they fell outside certain specifications. The =
Discount Tire shop didn=E2=80=99t really know what Coker was talking about,=
but went through the process and sure enough, the tires all fell outside t=
he specifications.
>=20
> =20
>=20
> So the good news is, Coker will take them back. The bad news is, Cok=
er has no redline tires and doesn=E2=80=99t know when they will have more, =
if ever.
>=20
> =20
>=20
> So my plan is to put new tires, not redline, on the car and keep the =
redlines I have if ever a buyer wants originality or the car is shown.
>=20
> =20
>=20
> Andrew Uprichard
>=20
> Jackson, Michigan
>=20
> ** triumphs@autox.team.net **
>=20
> Donate: http://www.team.net/donate.html
> Archive: http://www.team.net/pipermail/triumphs http://www.team.net/a=
rchive
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/dl=
hogye@comcast.net
>=20
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<!doctype html>
<html>
<head>=20
<meta charset=3D"UTF-8">=20
</head>
<body>
<div style=3D"font-size: 12pt; font-family: helvetica, arial, sans-serif;=
color: #333333;">
<span style=3D"font-family: helvetica; font-size: 12pt;">I guess these a=
re bias-ply tires. Bias-ply tires are difficult to deal with. S=
ome say, don't even bother with balancing until they are broken in with say=
, a few hundred miles on them. They tend to be out-of-round when new. =
I had huge problems with two new sets of Hoosier Vintage TD race tires for=
my TR3. Around $1200 a set, mounted and balanced. I drive my c=
ar on the street too, so I was able to discover this before getting to the =
track. Repeated tries at balancing went nowhere. I had them "ro=
ad force balanced" multiple times in attempt to improve the matter. T=
his machine reads the run-out. I think 20 was about the number =
that you would not feel while driving. None of the tires were under 3=
0 and some were 80. You didn't need a machine to see how out-of round=
they were, even at 30. Terrible. They really upset a weekend o=
f racing at the Laguna Seca, Rolex Reunion. The car shook terribly be=
tween 60-90 mph. Above 90 was better. After the event I c=
alled Hoosier and they sent me another set, no charge. I had to eat t=
he extra attempts at balancing. The second set was also very bad and =
a year later, my second Rolex race weekend was equally disappointing. =
Hoosier sent a third set, no charge. This set was excellent.&n=
bsp; This event is the only one that I have to run bias-ply race tires.&nbs=
p; I've heard from other racers that the much more expensive Dunlops are ev=
en worst. Hoosier did not request the bad sets be sent back. I =
have since remounted a couple of lower "road force" numbered tires and they=
are good now. So with some wear, they did get better. </s=
pan>
<br>
</div>
<div style=3D"font-size: 12pt; font-family: helvetica, arial, sans-serif;=
color: #333333;">
<span style=3D"font-family: helvetica; font-size: 12pt;">Roger Kraus Rac=
ing, tire company, recommended truing these tires by shaving the tread when=
newly mounted if they are noticeably out-of round and take a lot of weight=
to balance. </span>
</div>
<div style=3D"font-size: 12pt; font-family: helvetica, arial, sans-serif;=
color: #333333;">
<span style=3D"font-family: helvetica; font-size: 12pt;">Happy motoring,=
</span>
</div>
<div style=3D"font-size: 12pt; font-family: helvetica, arial, sans-serif;=
color: #333333;">
<span style=3D"font-family: helvetica; font-size: 12pt;">Dave H.</span>
</div>
<blockquote type=3D"cite">
<div>
On 10/13/2020 3:05 PM auprichard@uprichard.net wrote:
</div>
<div>
<br>
</div>
<div>
<br>
</div>
<div class=3D"WordSection1">
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;">Just for what it=E2=80=99s worth=E2=80=A6..</span><=
/p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;"> </span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;">When I bought my TR5 from Charles Runyan=E2=80=99s =
estate, it came with 15 year-old tires. They had little to no wear, a=
nd drove fine, but I decided I should do the right thing and replace them i=
f I was to take loved ones out for a drive in the car.</span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;"> </span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;">Since there was only one manufacturer to choose fro=
m for redline tires, I bought 4 tires from Coker, through Discount Tire.&nb=
sp; Not cheap!!</span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;"> </span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;">I put them on the car and there was a terrible wobb=
le around 50 mph. I took them back twice to Discount to get them bala=
nced, but the wobble persisted. Finally, I took them to an old guy (w=
ell, older than me) in Detroit who boasted he had balanced wire wheels for =
40 years. He told me the tires were so out of true they could not be =
balanced. </span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;"> </span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;">I took them back to Discount Tire and they called C=
oker. Coker refused to take them back unless they fell outside certai=
n specifications. The Discount Tire shop didn=E2=80=99t really know w=
hat Coker was talking about, but went through the process and sure enough, =
the tires all fell outside the specifications.</span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;"> </span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;">So the good news is, Coker will take them back.&nbs=
p; The bad news is, Coker has no redline tires and doesn=E2=80=99t know whe=
n they will have more, if ever.</span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;"> </span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;">So my plan is to put new tires, not redline, on the=
car and keep the redlines I have if ever a buyer wants originality or the =
car is shown.</span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;"> </span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;">Andrew Uprichard</span></p>
<p class=3D"MsoNormal"><span style=3D"font-family: 'Times New Roman',=
serif; color: #1f497d;">Jackson, Michigan</span></p>
</div>
</div>
</div>** triumphs@autox.team.net **
<br>
<br>Donate: http://www.team.net/donate.html
<br>Archive: http://www.team.net/pipermail/triumphs http://www.team.net/=
archive
<br>
<br>Unsubscribe/Manage: http://autox.team.net/mailman/options/triumphs/d=
lhogye@comcast.net
<br>
</blockquote>=20
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