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That makes sense. Here on the edge of San Francisco Bay, the =
temperatures are generally quite moderate. Even during this recent heat =
wave, they only reached 90=C2=BA for a couple of days.
As for losing grip, I have noticed that phenomenon in other cases, but =
I=E2=80=99m not really aware of it on this set, yet. My previous tires =
were summer high performance tires with insane grip (but which became =
dangerously slick if they even splashed through a puddle). These are =
all-season M+S tires, so it=E2=80=99s not like they theoretically had a =
lot of grip to start with, but I really can=E2=80=99t recall ever =
spinning a tire or skidding under any circumstances other than crossing =
a painted stripe in the rain.
I recently replaced the 12-year-old Pirellis on my wife=E2=80=99s Echo, =
and they had noticeably lost grip, to the point that you could spin a =
front tire just pulling away from a stop (actually, this is not that =
surprising since the 1.5 has more torque than the MGB motor and the =
5-speed has a ridiculously low first gear ratio, to which you add =
typical FWD torque steer). They also had obvious cracking on the =
sidewalls. They still had tread because her commute over their lifespan =
had only been a 2-mile round trip.
--
Max Heim
'66 MGB
> On Jul 24, 2023, at 10:27 AM, Robert's New iPad <mgbobh@gmail.com> =
wrote:
>=20
> I suggest that there is a temperature component to tire life. =
Tires used as little as Max=E2=80=99s have been would, it seems to me, =
be OK at present age if they had been stored in a refrigerator. =20
> My observation of tires on MGB and truck when I moved to CT from =
FL is that the tires did not appear to age as quickly in CT. I =
did=E2=80=94tires didn=E2=80=99t. When replaced at 12 years, though, =
the difference in cornering grip was notable.=20
> Bob
>=20
>=20
> On Jul 24, 2023, at 12:23 PM, Max Heim <mvheim@sonic.net =
>=20
>> It just occurred to me that I bought my current tires for my previous =
car, which left the premises in 2018, and was in a state of disassembly =
for 3 or 4 years before that. So they might date back to 2014 or even =
2012. Still at least 70% tread left and the sidewalls look fine with no =
cracking. They have always been parked out of the sun under a carport =
with a car cover. I am not too concerned about sudden failure since they =
contain inner tubes.
>>=20
>> I did once have an abrupt deflation incident with a previous set due =
to highway debris, but didn=E2=80=99t have any trouble keeping the car =
under control, and I changed to the spare on the roadside.
>>=20
>> --
>> Max Heim
>> '66 MGB
>>=20
>>> On Jul 24, 2023, at 12:16 AM, PaulHunt73 <paulhunt73@virginmedia.com =
>>>=20
>>> I'm amazed Leno as a car buff didn't already know that.
>>>=20
>>> Many 'authorities' advise that a tyre should be examined closely at =
5 years and replaced when it reaches 10 years old irrespective of wear. =
This tyre was 12 years old but had only done 18k. Certainly not mileage =
expired and if just 2 years over the 'recommended' change point is =
enough to cause this then I suggest it was either faulty or they are =
just not made to the standards they used to be. Falken Sincera.
>>>=20
>>> http://www.mgb-stuff.org.uk/tyre2.htm =
<http://www.mgb-stuff.org.uk/tyre2.htm>
>>> On 23/07/2023 17:42, dave northrup wrote:
>>>> Old tires
>>>> =20
>>>> =
https://www.hagerty.com/media/opinion/jay-leno-needs-about-1200-tires/?fbc=
lid=3DIwAR0aJAQN-C30NTKlLn1vLPUQMbSRidtpY6T_3TcvU9ERlvIxC21zB5vsVbQ =
<https://www.hagerty.com/media/opinion/jay-leno-needs-about-1200-tires/?fb=
clid=3DIwAR0aJAQN-C30NTKlLn1vLPUQMbSRidtpY6T_3TcvU9ERlvIxC21zB5vsVbQ>
>>>> =20
>>>> =20
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D"">That =
makes sense. Here on the edge of San Francisco Bay, the temperatures are =
generally quite moderate. Even during this recent heat wave, they only =
reached 90=C2=BA for a couple of days.<div class=3D""><br =
class=3D""></div><div class=3D"">As for losing grip, I have noticed that =
phenomenon in other cases, but I=E2=80=99m not really aware of it on =
this set, yet. My previous tires were summer high performance tires with =
insane grip (but which became dangerously slick if they even splashed =
through a puddle). These are all-season M+S tires, so it=E2=80=99s not =
like they theoretically had a lot of grip to start with, but I really =
can=E2=80=99t recall ever spinning a tire or skidding under any =
circumstances other than crossing a painted stripe in the =
rain.</div><div class=3D""><br class=3D""></div><div class=3D"">I =
recently replaced the 12-year-old Pirellis on my wife=E2=80=99s Echo, =
and they had noticeably lost grip, to the point that you could spin a =
front tire just pulling away from a stop (actually, this is not that =
surprising since the 1.5 has more torque than the MGB motor and the =
5-speed has a ridiculously low first gear ratio, to which you add =
typical FWD torque steer). They also had obvious cracking on the =
sidewalls. They still had tread because her commute over their lifespan =
had only been a 2-mile round trip.<br class=3D""><div class=3D""><br =
class=3D""></div><div class=3D""><div class=3D"">
--<br class=3D"">Max Heim<br class=3D"">'66 MGB
</div>
<div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Jul 24, 2023, at 10:27 AM, Robert's New iPad <<a =
href=3D"mailto:mgbobh@gmail.com"; class=3D"">mgbobh@gmail.com</a>> =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><meta =
charset=3D"UTF-8" class=3D""><div dir=3D"ltr" style=3D"caret-color: =
rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""></div><div dir=3D"ltr" =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span =
class=3D"Apple-tab-span" style=3D"white-space: pre;"> </span>I suggest =
that there is a temperature component to tire life. Tires used as =
little as Max=E2=80=99s have been would, it seems to me, be OK at =
present age if they had been stored in a refrigerator. </div><div =
dir=3D"ltr" style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; =
font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; text-align: start; =
text-indent: 0px; text-transform: none; white-space: normal; =
word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: =
none;" class=3D""><span class=3D"Apple-tab-span" style=3D"white-space: =
pre;"> </span>My observation of tires on MGB and truck when I moved to =
CT from FL is that the tires did not appear to age as quickly in CT. =
I did=E2=80=94tires didn=E2=80=99t. When replaced at 12 =
years, though, the difference in cornering grip was =
notable. </div><div dir=3D"ltr" style=3D"caret-color: rgb(0, 0, 0); =
font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D"">Bob</div><div dir=3D"ltr" =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><br =
class=3D""></div><div dir=3D"ltr" style=3D"caret-color: rgb(0, 0, 0); =
font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;" class=3D""><br class=3D"">On Jul 24, 2023, at =
12:23 PM, Max Heim <<a href=3D"mailto:mvheim@sonic.net"; =
class=3D"">mvheim@sonic.net</a>> wrote:<br class=3D""><br =
class=3D""></div><blockquote type=3D"cite" style=3D"font-family: =
Verdana; font-size: 13px; font-style: normal; font-variant-caps: normal; =
font-weight: 400; letter-spacing: normal; orphans: auto; text-align: =
start; text-indent: 0px; text-transform: none; white-space: normal; =
widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; =
-webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><div =
dir=3D"ltr" class=3D"">It just occurred to me that I bought my current =
tires for my previous car, which left the premises in 2018, and was in a =
state of disassembly for 3 or 4 years before that. So they might date =
back to 2014 or even 2012. Still at least 70% tread left and the =
sidewalls look fine with no cracking. They have always been parked out =
of the sun under a carport with a car cover. I am not too concerned =
about sudden failure since they contain inner tubes.<div class=3D""><br =
class=3D""></div><div class=3D"">I did once have an abrupt deflation =
incident with a previous set due to highway debris, but didn=E2=80=99t =
have any trouble keeping the car under control, and I changed to the =
spare on the roadside.<br class=3D""><div class=3D""><br class=3D""><div =
class=3D"">--<br class=3D"">Max Heim<br class=3D"">'66 MGB</div><div =
class=3D""><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Jul 24, 2023, at 12:16 AM, PaulHunt73 <<a =
href=3D"mailto:paulhunt73@virginmedia.com"; =
class=3D"">paulhunt73@virginmedia.com</a>> wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><p class=3D"" =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;">I'm amazed Leno =
as a car buff didn't already know that.<br class=3D""></p><p class=3D"" =
style=3D"caret-color: rgb(0, 0, 0); font-family: Verdana; font-size: =
13px; font-style: normal; font-variant-caps: normal; font-weight: 400; =
letter-spacing: normal; text-align: start; text-indent: 0px; =
text-transform: none; white-space: normal; word-spacing: 0px; =
-webkit-text-stroke-width: 0px; text-decoration: none;">Many =
'authorities' advise that a tyre should be examined closely at 5 years =
and replaced when it reaches 10 years old irrespective of wear. =
This tyre was 12 years old but had only done 18k. Certainly not =
mileage expired and if just 2 years over the 'recommended' change point =
is enough to cause this then I suggest it was either faulty or they are =
just not made to the standards they used to be. Falken Sincera.<br =
class=3D""></p><p class=3D"" style=3D"caret-color: rgb(0, 0, 0); =
font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><a class=3D"moz-txt-link-freetext" =
href=3D"http://www.mgb-stuff.org.uk/tyre2.htm"; style=3D"color: rgb(5, =
99, 193); text-decoration: =
underline;">http://www.mgb-stuff.org.uk/tyre2.htm</a><br =
class=3D""></p><div class=3D"moz-cite-prefix" style=3D"caret-color: =
rgb(0, 0, 0); font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;">On 23/07/2023 17:42, dave northrup wrote:<br =
class=3D""></div><blockquote type=3D"cite" =
cite=3D"mid:bf1a27d918404c81aee2cf5f730b15b5@ranteer.com" class=3D"" =
style=3D"font-family: Verdana; font-size: 13px; font-style: normal; =
font-variant-caps: normal; font-weight: 400; letter-spacing: normal; =
text-align: start; text-indent: 0px; text-transform: none; white-space: =
normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; =
text-decoration: none;"><div class=3D"WordSection1" style=3D"page: =
WordSection1;"><div class=3D"" style=3D"margin: 0in; font-size: 11pt; =
font-family: Calibri, sans-serif;">Old tires<o:p =
class=3D""></o:p></div><div class=3D"" style=3D"margin: 0in; font-size: =
11pt; font-family: Calibri, sans-serif;"><o:p =
class=3D""> </o:p></div><div class=3D"" style=3D"margin: 0in; =
font-size: 11pt; font-family: Calibri, sans-serif;"><a =
href=3D"https://www.hagerty.com/media/opinion/jay-leno-needs-about-1200-ti=
res/?fbclid=3DIwAR0aJAQN-C30NTKlLn1vLPUQMbSRidtpY6T_3TcvU9ERlvIxC21zB5vsVb=
Q" moz-do-not-send=3D"true" class=3D"moz-txt-link-freetext" =
style=3D"color: rgb(5, 99, 193); text-decoration: =
underline;">https://www.hagerty.com/media/opinion/jay-leno-needs-about-120=
0-tires/?fbclid=3DIwAR0aJAQN-C30NTKlLn1vLPUQMbSRidtpY6T_3TcvU9ERlvIxC21zB5=
vsVbQ</a><o:p class=3D""></o:p></div><div class=3D"" style=3D"margin: =
0in; font-size: 11pt; font-family: Calibri, sans-serif;"><o:p =
class=3D""> </o:p></div><div class=3D"" style=3D"margin: 0in; =
font-size: 11pt; font-family: Calibri, sans-serif;"><o:p =
class=3D""> </o:p></div></div></blockquote></div></blockquote></div><=
/div></div></div></blockquote></div></blockquote></div><br =
class=3D""></div></div></body></html>=
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