Toyo RA1 Vs MPSC
03-05-2006, 07:06 PM
#46
Addict
Lifetime Rennlist
Member
Lifetime Rennlist
Member
Originally Posted by mooty
greg,
how long does hoosiers last, in terms of mile or hours?
easy to warm up?
i fear that i will sooner or later move the the dark side of hoohoos.
how long does hoosiers last, in terms of mile or hours?
easy to warm up?
i fear that i will sooner or later move the the dark side of hoohoos.
In temps over 65 the Hoosier are warm in a lap if you drive at 80% the first lap, can't warm up a tire by "cruising" around.
Yes the Hoosier don't last quit as long but if your car is set up correctly for them I don't think they deserve the rap that they are a one day or one weekend tire. i would usually get two weekends (race and qualifying) out of a set and then make them my practice tires. The later versions seem to not fall off nearly as bad as the s03's did.
The Michelin's may have tread on them long after they are done, the hoosier usually don't make you guess if they are done as you will see the cords showing!
03-05-2006, 07:34 PM
#47
Nordschleife Master
Originally Posted by Greg Fishman
I had MPSC's on my 993 (2800lbs) and ran pretty good at Road Atlanta in 03. But when I took them to Putnam I was way off the mark at least 1.5 seconds slower than I ran on the Hoosiers.
One thing I learned on the MPSC's is that they created some very intense high speed oversteer situation and in slow corners they really wanted to push. Turn 12 at Road Atlanta was one example. After using them for a few races I gave up on them and went much faster on the Hoosiers.
One thing I learned on the MPSC's is that they created some very intense high speed oversteer situation and in slow corners they really wanted to push. Turn 12 at Road Atlanta was one example. After using them for a few races I gave up on them and went much faster on the Hoosiers.
03-05-2006, 08:22 PM
#48
GT3 player par excellence
Lifetime Rennlist
Member
Lifetime Rennlist
Member
colin, you are right on with my exp.
my cups last about 40 cycles. but by 35th cycle or so, i can feel they are going away slowly.
they always still got more tread left, they usually die due to harnening for me.
my cups last about 40 cycles. but by 35th cycle or so, i can feel they are going away slowly.
they always still got more tread left, they usually die due to harnening for me.
03-05-2006, 09:08 PM
#49
Addict
Rennlist Member
Rennlist Member
Originally Posted by mitch236
It's very easy to get the MPSC's dialed in. Get their handout. In it, they describe the method. I followed it and it worked like a charm. I am going by memory but this is what I remember.
You want 32 front and 36 rear hot pressures.
You want 32 front and 36 rear hot pressures.
03-05-2006, 09:19 PM
#50
Rennlist Member
Bah on the "wear like iron" MPSCs. I've been torching them in <15 heat cycles. I was also commended at the Road America race by the Michelin crew as the only guy they had tested that weekend that actually got them up to operating temperatures...
03-05-2006, 09:20 PM
#51
Addict
Lifetime Rennlist
Member
Lifetime Rennlist
Member
Originally Posted by mooty
colin, you are right on with my exp.
my cups last about 40 cycles. but by 35th cycle or so, i can feel they are going away slowly.
they always still got more tread left, they usually die due to harnening for me.
my cups last about 40 cycles. but by 35th cycle or so, i can feel they are going away slowly.
they always still got more tread left, they usually die due to harnening for me.
03-05-2006, 09:45 PM
#52
Addict
Lifetime Rennlist
Member
Lifetime Rennlist
Member
Originally Posted by DrJupeman
Bah on the "wear like iron" MPSCs. I've been torching them in <15 heat cycles. I was also commended at the Road America race by the Michelin crew as the only guy they had tested that weekend that actually got them up to operating temperatures...
It is realtive wear I am referring to...what do you find your wear with Hoosiers to be?
Last edited by Bull; 03-05-2006 at 10:01 PM.
03-05-2006, 10:59 PM
#53
Addict
Lifetime Rennlist
Member
Lifetime Rennlist
Member
Originally Posted by 38D
I don't think there is any question that the Hoosiers are faster, but the MPSCs wear like iron. I normally toss them while there is still tread on them, as the really loose any stickness after 40 or so heat cycles. I am planning to try Hoosiers for at least one race this year just to see how much I am giving up to my fellow D classers.
Do it sooner rather than later so you don't kick yourself for not doing it sooner.
03-06-2006, 09:13 AM
#54
Addict
Rennlist Member
Rennlist Member
Originally Posted by DrJupeman
Bah on the "wear like iron" MPSCs. I've been torching them in <15 heat cycles. I was also commended at the Road America race by the Michelin crew as the only guy they had tested that weekend that actually got them up to operating temperatures...
) car.
03-06-2006, 09:54 AM
#55
Addict
Lifetime Rennlist
Member
Lifetime Rennlist
Member
We had a couple of Michelin Reps attend a Tech session and they mostly concentrated on the MPSCs. Their presentation indicated that 180 - 220 degrees is ideal. They later said that the tires will actually work well from 160 - 220 degrees. I have never found it difficult to get the tires in their performance range of 180- -220, or to do that with the tires at the recommended 32/36 hot pressures. Unlike some other R-compound tires, I have to star them out no higher than 25/28 psi when cold.
I did once forget to check my pressures at Mosport the first time out (late arrival, etc.
) and went out at street pressures. THEN they were almost undriveable!
I did once forget to check my pressures at Mosport the first time out (late arrival, etc.
) and went out at street pressures. THEN they were almost undriveable!
03-06-2006, 10:00 AM
#56
Rennlist Member
Join Date: Feb 2003
Posts: 2,819
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by DanS911
Nice Mitch, well thought out. and well said as usual.
Don't forget one thing folks, if your car weighs less than 2700lbs you will likely NOT ever get your Cups dialed in and will no doubt spend lots of time spinning.
These tires when cold have little to no feedback and let go with a treacherous abruptness. Ask me how I know!
Don't forget one thing folks, if your car weighs less than 2700lbs you will likely NOT ever get your Cups dialed in and will no doubt spend lots of time spinning.
These tires when cold have little to no feedback and let go with a treacherous abruptness. Ask me how I know!
03-06-2006, 10:10 AM
#57
Addict
Rennlist Member
Rennlist Member
Originally Posted by Bull
We had a couple of Michelin Reps attend a Tech session and they mostly concentrated on the MPSCs. Their presentation indicated that 180 - 220 degrees is ideal. They later said that the tires will actually work well from 160 - 220 degrees. I have never found it difficult to get the tires in their performance range of 180- -220, or to do that with the tires at the recommended 32/36 hot pressures. Unlike some other R-compound tires, I have to star them out no higher than 25/28 psi when cold.
I did once forget to check my pressures at Mosport the first time out (late arrival, etc. ) and went out at street pressures. THEN they were almost undriveable!
I did once forget to check my pressures at Mosport the first time out (late arrival, etc.
) and went out at street pressures. THEN they were almost undriveable! ), but my car is also a bit lighter. I wouldn't call them treacherous though. Just not as grippy.
03-06-2006, 12:19 PM
#58
Addict
Rennlist Member
Rennlist Member
Join Date: May 2002
Location: CT & Florida
Posts: 1,115
Likes: 0
Received 0 Likes
on
0 Posts
03-06-2006, 04:02 PM
#59
Rennlist Member
Originally Posted by DrJupeman
Bah on the "wear like iron" MPSCs. I've been torching them in <15 heat cycles. I was also commended at the Road America race by the Michelin crew as the only guy they had tested that weekend that actually got them up to operating temperatures...
03-06-2006, 04:49 PM
#60
Rennlist Member
Goddam 38D your avatar is distracting!!! I think you are subliminally hypnotising us as we stare endlessly at those things. How much wear do you get out of them and what is their lifespan? I'd love to know what they grip like!!!! 