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CORVETTE TODAY #182 - The Men From Michelin Talk About Tire Options For the C8 Z05 and E-Ray
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May 8, 2025
Lee Willard and Dr. Jeff Anderson from Michelin Tires are back on CORVETTE TODAY for their second appearance! Your CORVETTE TODAY host, Steve Garrett, talks with both men about tire options for the C8 Z06 and Z07 variant as well as tire options for the new E-Ray. If you're ordering either one of these C8's, this is a "must see" or "must listen to" show. Lee and Jeff outline what tires come with each Corvette, what they were designed for and what your best option is when ordering your Z06 or E-Ray. Make an educated tire decision when purchasing your new Corvette after you check out CORVETTE TODAY!
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0:00
[Music]
0:03
welcome to Corvette today the podcast
0:06
that talks about everything Corvette
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with your host Steve Garrett MC and DJ
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at one of the largest Corvette weekends
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president of the Corvette club of Kansas
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City Missouri and radio disc jockey at
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the number one radio station in Kansas
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City for over 40 years
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here's Steve Garrett
0:25
[Music]
0:28
thanks for listening and watching
0:30
Corvette today the show that talks about
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Corvette enthusiasts from around the
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world my guest on Corvette today are
2:47
return guests you heard them on episode
2:49
number 118 in July of 2021 from Michelin
2:53
I have with me engineered Lee Willard
2:56
and Dr Jeff Anderson the product
2:58
development engineer guys it's great to
3:01
have you back on Corvette today hey
3:03
Steve it's great to be back here with
3:05
you too it was fun last time and we're
3:07
gonna make it fun again this time can't
3:08
wait absolutely it's an honor to be here
3:11
but yeah it's great to have both of you
3:13
here two years is too long to be away
3:15
from the show but what we're going to do
3:16
is talk about tires for the Z06 and the
3:19
e-ray because they're all brand new now
3:21
guys we have two new tires available for
3:24
the c806 we've got the Michelin Pilot
3:27
Sport 4S and and also the Michelin Pilot
3:30
Sport cup 2R tires let's outline both of
3:33
those tires and talk about the
3:34
differences and this way we can inform
3:37
potential owners and they'll know what
3:39
they want to get depending on what they
3:40
order for their Z06 yeah Steve this is a
3:43
great question and a great chance to
3:45
talk about the new tires that we're
3:46
pulling out for the Z06 and z07 track
3:48
package they're two great tires with a
3:51
lot of race technology and transfer from
3:53
track to Street in these tires and
3:55
taking everything that we did on the C8
3:57
development on the base in z51 and
4:00
really cranking that up to a big level
4:02
both of them have compounds inspired
4:04
from our technology on the racetrack and
4:06
things we do there and the PS4s is more
4:10
tailored toward an all-around experience
4:12
you can bring it to a racetrack get
4:13
great lap times drive it around on the
4:16
streets bring it out in the wet it's a
4:18
great all-around Tire it'll wear good it
4:20
won't be too noisy it makes for a great
4:22
Driving Experience you want to get more
4:24
tuned into track only type of work the
4:27
cup 2 is the tire for you it's
4:29
ultimately just focused on lap time and
4:31
grip it delivers in a big way we think
4:34
it's really the Ultimate Experience on
4:36
track it definitely will deliver tons of
4:38
grip and a big smile on your face it's a
4:40
lot of fun for sure oh yeah the testing
4:42
that we've done with GM over the years
4:44
we found that you know it's really close
4:46
to the race car basically if you talk to
4:48
some of the drivers Tommy Milner et
4:51
cetera they've driven the PS cup QRS
4:53
they get more and more of that race car
4:54
feel each of these tires both share four
4:57
principal technologies that are first
5:00
used with Corvette are wavy belt package
5:03
so we have profile belts that allow the
5:06
ribs to be more rigid deliver better
5:08
cornering for us as just said we had
5:10
mentioned we have multiple tread
5:11
compounds on there so we have the right
5:13
tread compound in the right place to
5:15
give the best overall performance on the
5:17
focus for the particular tire track or
5:19
track and Street they are run flat both
5:22
as well with asymmetric sidewalls and we
5:24
also have a very special cap ply with
5:27
attention tuning in guys I find all this
5:29
technology so fascinating tell me when
5:32
did you start working with Chevrolet on
5:34
the development of these two tires what
5:36
were the guidelines that they set forth
5:38
for this car and this tire first of all
5:40
we started working on these tires over a
5:43
decade ago is right when the C7 came out
5:46
we were already thinking about and
5:48
working on the C8 because of the huge
5:51
change in configuration going from front
5:53
engine to a managing car so Jeff you
5:55
were back in middle school back then or
5:57
no Dan was working on his PhD back then
6:01
and in between doing his homework sets
6:03
and writing his thesis he was already
6:04
working on that so you're talking about
6:06
2012 when we started to work on this and
6:09
we had extremely ambitious stretch goals
6:11
we wanted to really knock this out of
6:13
the ballpark in every realm of
6:15
performance and not only hit a home run
6:18
but Bases Loaded home run everything and
6:21
the big thing back in their early days
6:22
was making sure we get the right tire
6:23
sizes for this vehicle and what would
6:25
work great on this mid-engine Supercar
6:27
that Chevrolet has brought us we spent a
6:29
lot of time a ton of computer
6:30
simulations looking at different sizes
6:32
and trying to find what would work the
6:34
best when it comes to this car we kind
6:36
of look at the book ends and we're
6:37
starting to talk z0607 here how far can
6:40
we push the envelope and get great
6:42
performance out of so it's a lot of that
6:44
work that kind of led to these tires
6:45
that we're talking about today I find it
6:47
truly amazing that you started
6:49
development of these tires maybe 10 11
6:51
years ago how long does it take to fully
6:54
develop each of these tires well we have
6:57
a philosophy working with our teammates
6:59
at GM that we go for the stars and we
7:01
keep on improving all the way to the end
7:03
we had a full decade of pushing the
7:05
performances and you know as a marriage
7:08
not only the tire design as well as the
7:10
vehicle design evolves and performances
7:13
changed and improved on the vehicle with
7:15
the engine the powertrain the system
7:17
stability control ABS systems all those
7:21
systems integrated together we evolved
7:23
the tire design so it's very much a
7:25
marriage of development of two products
7:27
for one super product one super vehicle
7:30
we usually did about four or five joint
7:32
tests a year and in between every one of
7:35
those joint tests where we look at new
7:36
tire designs GM would be pushing the
7:39
performance of the Vehicle Systems as
7:41
well as us pushing performance of the
7:42
tire systems our home research offices
7:45
guys both of these tires are run flats
7:48
or some are only tires and correct me if
7:50
I'm wrong obviously but that's a great
7:52
benefit for performance on the Z06 isn't
7:54
it yes it certainly is what we do is
7:57
over the Decades of run-flat tire
8:00
technology and we've evolved different
8:02
from our competition but we have really
8:04
focused on using the run flat design
8:07
components in our Corvette tires to
8:09
improve handling to improve steering
8:11
response to improve lap time those are
8:14
characteristics of Tire performance that
8:16
you can use every day whether it's a
8:18
windy curvy Road or are coming to an
8:20
emergency stop because something runs in
8:22
front of you or go into a track like
8:25
Spring Mountain or vir Road Atlanta
8:27
wherever your local track is so we
8:29
really focus our getting the benefits
8:31
that you can use all the time as well as
8:33
providing a little bit of Safety and
8:35
Security and 50 miles per hour in the
8:37
event that you have a flat tire another
8:39
thing that we did with our run flat
8:41
tires with these first wide body
8:42
Corvettes is we've Incorporated air mid
8:45
carcass you know aramid is the lightest
8:47
strongest material that you can use
8:49
textile material it's in bulletproof
8:51
vests we now have hybrid air mid
8:53
carcasses in our Corvette run flat tires
8:55
which is unique in the market never been
8:57
done before so you have even more
8:59
resistance to road hazard if you
9:01
accidentally hit a pothole or a big
9:03
joint in the pavement or a curb you're a
9:05
very short sidewall Corvette tire is
9:07
going to be way more up to 50 percent
9:09
more resistant to carcass rupture from
9:11
some kind of big impact like that so
9:13
another usage of run flat to help in
9:16
general driving conditions that's really
9:18
cool I didn't know that that's good and
9:19
information and it leads me right into
9:21
my next question guys I get this
9:23
question asked a lot if a Z06 owner
9:26
wants to go with non-run Flats what
9:29
Michelin tire do you recommend for the
9:31
Z06 that's a good question and I think
9:33
it goes back to what Lee was kind of
9:35
laying out there the run flat insert
9:37
really does a whole lot more than just
9:39
run flat and extended Mobility for us it
9:42
brings so much handling to the table
9:43
grip opportunity and just overall ride
9:46
and how the car is tuned so the dynamic
9:48
response of the shocks are tuned into
9:50
that Mike Hurley at GM spends a lot of
9:52
time in the car on every iteration we do
9:54
on the tires making sure it's well
9:55
matched to what the tire is doing in
9:57
terms of stiffness and what we're able
9:58
to do and like Lee mentioned that these
10:00
are asymmetric run sidewalls so we spend
10:03
a lot of time tuning each sidewall
10:05
individually to still give comfort and
10:07
grip and be able to break that
10:09
compromise of really harsh ride that the
10:11
old run Flats tended to have I really
10:13
would highly recommend run flat tires
10:15
that are OE and if you get a Michelin
10:17
run flat tire in these sizes they're
10:19
made for the Corvette including our new
10:21
all-season tire very cool well guys
10:23
let's take our first break when we come
10:25
back we're going to talk more about Z06
10:27
tires and we're also going to talk about
10:29
e-ray tires that's coming up next on
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833-639-4231 I'm your host Steve Garrett
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with me from Michelin is engineer Lee
13:41
Willard and Dr Jeff Anderson in the
13:44
second segment we're going to talk more
13:45
about tires for the Z06 and we're also
13:48
going to venture into tires for the
13:49
e-ray coming up guys these are really
13:52
wide tires for the Z06 and I love it
13:54
because they're getting into Lamborghini
13:56
wide tires let's talk about that width
13:58
of the tire and the hurdles you had to
14:00
overcome the development of this large
14:02
size tire yeah the new all-season tire
14:05
on the e-ray is the widest all All
14:07
Seasons higher than I know of in
14:08
existence so it's super exciting to work
14:10
on balances a lot of things from snow
14:13
noise gives you one g of handling it's a
14:15
pretty dang incredible tire and I feel
14:17
like we really pushed the envelope on
14:19
this thing just remember working with
14:20
all these great drivers like Steve
14:21
Padilla and Cody luckily that was on
14:23
last week seeing them as snow flurries
14:25
driving the MRC and coming back with big
14:27
smiles on their face it was an awesome
14:29
experience to get to be a part of that
14:31
and see what these things are capable of
14:32
not just out in the snow and on the
14:34
roads but on the racetrack as well it
14:36
was really cool and when Jeff says
14:38
driving with snow flurries they were
14:40
driving real fast it was just like a
14:43
summer track day on all season tires
14:45
there wasn't snow on the track it was
14:47
just cold and snow flurries and they
14:49
were going fast that had to be amazing I
14:51
would have loved to seen that that would
14:53
be really really cool now guys explain
14:55
to us what Michelin Tires first you get
14:57
when you order the Z06 and what tires do
15:00
you get when you order the Z06 with the
15:02
z07 package and tell us why they come
15:04
with different tires sure the regular
15:07
Z06 is definitely Geared for more of a
15:09
Grand Touring it comes with the PS4s zp
15:11
and like I said in the beginning it's
15:13
just a great all-around Tire that'll
15:15
deliver both great ultimate grip good
15:17
handling and good road characteristics
15:19
if you step up and get the zs7 track
15:21
package it is laser focused on doing
15:24
that very well and it comes with the PS
15:26
cup 2R zps and as tailored toward giving
15:28
you that ultimate lock time experience
15:30
guys that's fantastic is there any final
15:32
thoughts we want to talk about on the
15:34
Z06 tires before we get into e-ray yeah
15:37
the Z06 was a heck of a fun car to help
15:39
develop and be a part of amazing guys
15:41
like Brian Wallace in there and Link who
15:43
really developed an Ultimate machine
15:45
here and I think it really shows well
15:47
you know the track record at ctmp
15:49
Canadian Tire Motorsports Park when Ron
15:51
fellow said that and beat the Porsche
15:52
GT2 that was so exciting to be a part of
15:55
and such an amazing car to set a great
15:57
track record like that that's really
15:59
cool let's get into the e-ray tires now
16:01
guys this is a brand new tire for e-ray
16:04
this is the Pilot Sport All Season 4
16:06
plus Tire how long did it take to
16:08
develop this tire for the e-ray and what
16:10
were the guidelines that Chevrolet set
16:12
forth for this tire for the four plus
16:14
this tire was in development for quite a
16:16
while like I mentioned in the last
16:17
segment it was a lot of iterations like
16:19
Lee said you know the Project's never
16:21
really done it's just constant
16:22
iterations to keep working on different
16:24
performances as the card balls so does
16:26
the tire and we keep going back to the
16:28
drawing board and making slight tweaks
16:30
and iterations like I mentioned we
16:32
concentrated on a few different things
16:33
compounds being bringing a lot to the
16:35
table I mentioned in the last segment we
16:37
had four specific compounds on this tire
16:39
we have two dedicated to All Seasons
16:41
Driving we have one dedicated to Summer
16:43
driving which we derive a lot of grip
16:45
and handling from and one drive
16:47
specifically for winter handling which
16:49
gives us that little bit of snow that we
16:50
need for this tire to be acceptable in
16:52
that or you put these on a tire is very
16:54
important and affects the handling very
16:56
very strongly so we spent a lot of time
16:58
orienting these compounds in the right
17:00
places to deliver that great performance
17:02
yeah stiffness grip for the particular
17:04
temperature window the tires were
17:06
operating in whether it's 90 degrees
17:08
Fahrenheit in the heat of the summer or
17:10
18 degrees Fahrenheit and the cold of
17:13
the winter put the compounds in the
17:15
right place to work the best there we
17:16
were looking at these tires almost at
17:18
the same time we were looking at the Z06
17:20
and z07 tires over a decade and I will
17:23
give our young Corvette extraordinaire
17:25
Tire designer Jeff some credit here I
17:28
did the Pilot Sport All Season fours for
17:30
the standard Stingray and he beat me
17:31
about 10 in snow traction
17:34
way to go Jeff you show up the old man
17:36
oh man I don't know about that
17:38
technology came in the right time there
17:40
you go there you go well guys let's take
17:42
our final break when we come back we're
17:44
going to talk more about the e-ray tires
17:46
the Michelin all-season four plus tires
17:48
that's coming up next on Corvette today
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[Music]
20:17
and now back to Corvette today with your
20:20
host and my husband Steve Garrett
20:23
hey thanks once again for listening and
20:25
watching Corvette today the show that
20:27
talks about everything Corvette Corvette
20:29
today is brought to you by wheelcraft
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car show season is here and you want
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today or call them
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833-639-4231 I'm your host Steve Garrett
20:54
with me are the guys from Michelin
20:55
engineer Lee Willard and Dr Jeff
20:58
Anderson in this third and final segment
21:00
we're going to finish up our thoughts on
21:01
the new e-ray tire guys in the second
21:04
segment we talked more about the time
21:05
needed to develop this tire outline for
21:08
me some of the groundbreaking design
21:10
elements of the tire and this is really
21:12
important you use some recycled rubber
21:14
in the tire as well isn't that correct
21:15
yes thanks Steve we do use a recycled
21:18
rubber in this tire for one of the
21:20
compounds in it and that was a big deal
21:22
for Michelin our vision going forward
21:23
and sustainability is something that we
21:25
take very seriously and this is our
21:27
first Fourier into an ultra high
21:28
performance Tire by putting recycled
21:30
rubber into compound sometimes it has a
21:32
connotation of worse performance but
21:34
I'll let you know we shot out tens of
21:36
different compounds for this particular
21:38
performance and the one that's in the
21:39
tire was hands down the best compound
21:42
for what we needed it to do wow so not
21:44
only did we get recycled rubber in the
21:46
tire we got it while delivering
21:47
performance so it was a really cool
21:49
feature to have in this very cool now
21:51
there are alternative tires from
21:54
Michelin for the e-ray because when you
21:56
order the Zer package you get a
21:58
different tire isn't that correct guys
21:59
yeah that's correct the Zer package on
22:02
the e-ray incorporates the summer tire
22:05
from the Z06 so what you find is you get
22:08
exactly the PS4 szp that's on the Z06
22:11
and it is the same Tire on the Z06 is on
22:14
the e-race same design same compounds
22:16
same performance benefits the ZO6 Tire
22:19
worked really great with the e-raid
22:20
because it's already designed for a
22:23
really power powerful internal
22:24
combustion engine car capable of a
22:26
really high braking and acceleration
22:28
torque so the transfer or crossover of
22:31
the summer Tires from the Z06 to the Zer
22:33
package on the e-ray worked really well
22:36
I tell you Steve the e-ray has some very
22:38
sophisticated systems when you're
22:40
talking about the capability for regen
22:42
combined with stability control ABS
22:46
systems four-wheel drive torque
22:48
vectoring all these systems can be
22:50
synchronized together to give the
22:51
vehicle some very incredible handling
22:53
characteristics to help the race driver
22:55
and help the sporty person or even just
22:58
somebody that wants to have a better
22:59
feel for handling and all these systems
23:02
are optimized and programmed to be
23:04
controlled around the tires either the
23:06
Pilot Sport All Season four plus or the
23:09
Power Sport 4S zps they're all optimized
23:11
for that tire I can't wait to drive the
23:13
car and I want to try it in inclement
23:15
weather that sounds like so much fun
23:17
guys and also these are larger tires
23:20
it's 20 inches in the front and 21 in
23:22
the rear what prompted that upgrade in
23:24
traditional Corvette tire size because
23:26
we're used to 19s in the front and 20s
23:29
in the rear yeah this goes way back to
23:31
our early sizing studies and looking at
23:33
the effects of Dimension one of the
23:34
things we studied very heavily was
23:36
diameter and its effect on grip and
23:38
everything else and what you have is a
23:40
larger OD Tire it's able to roll into
23:42
contact easier than a smaller ID tires
23:44
more deformation that it takes to go
23:46
from a brown Tire into that flat contact
23:48
patch so that brings a lot to the table
23:50
for us in terms of grip and how the car
23:52
handles so it's definitely a win-win and
23:54
like I mentioned shooting out hundreds
23:56
of different dimensions trying to pick
23:57
the right one for this car and using a
23:59
lot of computer-aided simulation to do
24:01
that Jeff has some really nice 3D graphs
24:03
to explain all the physics of Tire
24:05
sizing so you have to look at a 3D graph
24:08
on a 2d computer screen just to
24:10
understand the physics going on here but
24:12
it's really interesting and great work I
24:13
think is cutting edge of what we do in
24:15
the automotive industry definitely now
24:17
the e-ray is an all-wheel drive car how
24:20
did that factor into the development of
24:22
these tires for that car are for sure
24:24
it's the first time we're getting
24:25
all-wheel drive capability on a Corvette
24:27
it was exciting to see that come into
24:28
the picture because the real early cars
24:30
didn't have that and as they started
24:31
coming in that content they started
24:33
bringing so much performance to the
24:35
table basically now the tire's got a
24:37
Thrive brake and steer so there's
24:39
considerations and how you lay things
24:41
out to make sure that's optimized and
24:43
one of the big things that are really
24:44
important to me is that zero to 60 time
24:46
was incredible and done on all season
24:48
tires super exciting and it's a blast
24:50
yeah that's a great point zero to
24:53
62.5 or something yeah on All Season
24:56
tire on a four-wheel drive hybrid
24:58
Corvette pretty incredible that is
25:00
incredible now guys we talked about this
25:02
on our first Michelin show on Corvette
25:04
today a couple years ago but let's talk
25:06
about it again talk about how the
25:08
optional carbon fiber Wheels factored
25:10
into the development of these Michelin
25:12
tires for the Z06 and the e-ray carbon
25:15
fiber Wheels have come a long way it's
25:16
awesome to see with these carbon
25:18
Revolution guys are doing as far as
25:19
getting such a great structure onto the
25:21
car when you go to the carbon wheel
25:23
you're saving a ton of weight it's all
25:25
inertial weight it's rotating with the
25:27
car you're also saving my back when I'm
25:29
loading an entire Wheel Systems oh God I
25:33
like the carbons a lot better when we're
25:34
doing tests oh yeah you notice that when
25:37
you go to pick them up for sure but that
25:38
translates all that weight savings every
25:40
time you're accelerating and breaking
25:42
you're not having to spin up all that
25:43
extra inertia so right there you end up
25:46
getting performance benefits for it and
25:48
the other thing it really brings is
25:49
stiffness in the right places these are
25:51
much stiffer wheels and Telegraph what
25:53
the tires doing back to the driver in a
25:55
more effective manner so it's definitely
25:57
seems like a win-win for everybody
25:58
that's cool I picked up one of those
26:00
tires that the Z06 reveal attach
26:03
director had me pick one up and there
26:05
was nothing it weighed nothing in my
26:06
hand it was truly amazing and I know
26:09
it's 41 pounds of unsprung weight when
26:11
you put a set of those on a Z06 so
26:13
that's really pretty cool guys any final
26:15
thoughts on these tires from Michelin
26:17
for the Z06 and the e-ray I was just
26:19
going to say lap time analysis if you go
26:21
with Jeff and these guys computer her
26:23
out and you look at the carbon fiber
26:25
Wheels with the PS Cup 2rs every corner
26:28
on the track you see the car going a
26:30
little bit faster a little bit farther
26:32
and decreasing overall lap time so it's
26:34
a really demonstrative graph to look at
26:36
Carbon Fiber Wheels versus alloy wheels
26:39
and you gain at any moment that you're
26:41
breaking your accelerate that's cool Lee
26:44
Willard Dr Jeff Anderson from Michelin
26:46
thank you so much for being back on
26:48
Corvette today it's always fun having
26:50
you guys on the show awesome thanks so
26:52
much for having us Steve really enjoyed
26:54
to Steve anytime thanks for listening to
26:56
Corvette today and please be sure to
26:58
tell your family friends and other
26:59
Corvette enthusiasts about the Corvette
27:01
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you've been listening to Corvette today
27:46
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27:48
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27:50
podcast or ideas for guests on Corvette
27:52
today you can email him at Steve Garrett
27:55
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that's Steve Garrett DJ gmail.com
28:01
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[Music]
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