Is that how the Mustang should respond in the rain, or do I have a tire problem? - Page 2 - Ford Mustang Forum
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It sounds like you have a Pony or MCA pkg car with the 235-50/18's and the all season Pirellis. Mine handled the rain brilliantly when I got it. I frequently drove it in heavy rain w/o any problems at highway speeds. Even at 30 thousand miles I really didn't have any problems either. The tires just got LOUD. So I replaced them.

I don't think it's the tires. :nogrinner


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What this guy said:

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Originally Posted by steviedon View Post
A few things you're going to have to accept with the mustang that are just par for the course.....

1. do not downshift unless absolutely required.......and even then don't make the move until you match the gear you're going to by 10. As in, don't downshift to 3rd until you are at roughly 30mph.
2. limit yourself to no more than half throttle unless driving perfectly straight in rain
3. likewise try to do the majority of your braking in rain while perfectly straight.
4. if you know you're about to go through standing water at speed......feet off the pedals, both hands on the wheel.
Also, I bought some new 285's in the rear and coming from stock basic 215's it certainly helps, but not as much as I would have thought. If you upgrade your tires don't let you confidence get too high. I have great hydroplaning resistance on my new tires, and great lateral grip on turns even in the wet, but I"ll still break lose if I give it too much gas or if I"m at too high of an RPM. Just to test the other day the road was just a bit damp from a rain a few hours ago, I down shifted and gave it about 5k rpm at 70mph, still had some easy spin. Know your tires!


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I've never had any problems driving in rain or snow. However mine has an automatic transmission. That might make a substantial difference.

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Try this on for size- You said you came from Subaru, which has all wheel drive, and far less horsepower and probably weighs close to the mustang. Let's face facts here. A Forester isn't built to be a "sports" car. As such, it's gearing isn't aimed towards acceleration, It's aimed at getting torque down on the ground. Also, due to the fact it has less horse power, you've trained yourself to expect a certain output from a given amount of throttle input- i.e. you expect at half throttle to climb in speed at a known rate (X per period of time). Due to the fact that you're used to having all wheel drive, you're NOT used to power ( however small it may have been) being delivered to ONLY the rear wheels, meaning your contact patch available for power delivery is effectively half of what your used too having.

In short, you're asking less contact patch than you're used too, to apply more power than you're used too, in the same amount of time that you're used too. The vehicle dynamics are vastly different between the two cars, and you simply can't drive them in the same manner.

You need to re-learn how to drive in THIS car in order to be as effective behind the wheel as you were in your old Forester. Be safe, and approach your limits and your car's limits slowly.
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Quote:
Originally Posted by matthewr87 View Post
I've never had any problems driving in rain or snow. However mine has an automatic transmission. That might make a substantial difference.
I think the right foot has more to do with it than transmission choice.

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I also started out with the same all season 235/50/18 Pirelli P-Zero Neros on my Pony package and found that heavy rain did not lend to stability. I can only imagine a stick would make it a little touchier.

I used to run Cooper Zeon 2XS tires when I use to autocross in the rain and was sad when I found that they don't make a size for our cars.
I did however find these Nexen N3000 255/45ZR/18 work quite well.

Any tire on any vehicle traveling over 70 MPH rolling over water can hydroplane. (this actually varies with vehicle weight, speed, tread pattern, and water depth)

Granted some tread patterns help evacuate water but once you get above about 70 MPH regardless of tread pattern the water simply cannot be directed out from under the tire fast enough and that means the tire has to roll over (float over) it. IE: Hydroplane

As someone else pointed out you came from an AWD and are now in a solid axle rear drive car with enough engine to spin in the rain easy, just learn the limits somewhere safe!

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Originally Posted by johnrhance View Post
I picked up my 2014 manual v6 at the beginning of April. Since then, I've put on 8,700 miles, a few minor cosmetic things and a set of Roush axle-backs. I'm completely in love with this car, and I'm beyond happy to drive it to work every day. Now, one thing has been on my mine over the past two months...the handling. Let me explain.
I'm 23, and have owned 5 cars and driven dozens more so far. I've experienced a pretty decent range of handling characteristics and personalities , but the Mustang has stumped me. It's so strange (but awesome!) getting the solid rear feel of a truck, yet the highway comfort of a nice car. The main thing I've been a bit confused about it the handling in the wet...
Hello johnrhance,

I recommend you have them checked out at your dealer to make sure there’s nothing else going on. Then, PM me with your VIN, dealer, full name, mileage, and best daytime number so I can escalate this to the customer service manager for your area.

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john,

It sounds like normal mustang behavior to me, I live in the Charlotte NC area where we have had plenty of rain these last few weeks.

Just have to back off the throttle, like others have mentioned, little to no gas while cornering, wait until you have it straightened out to get on it and you should be fine most of the time, and watch out for the glossy looking water puddles on the highway, just coast with the wheel straight though those.

Even with the 255 Eagle F1 Supercar summer tires on the '13 PP it is managable, by wife drives the car about 50% of the time(we switch nearly daily between the car and our '11 FX4) rain or shine with out any incident.

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john,

It sounds like normal mustang behavior to me, I live in the Charlotte NC area where we have had plenty of rain these last few weeks.

Just have to back off the throttle, like others have mentioned, little to no gas while cornering, wait until you have it straightened out to get on it and you should be fine most of the time, and watch out for the glossy looking water puddles on the highway, just coast with the wheel straight though those.

Even with the 255 Eagle F1 Supercar summer tires on the '13 PP it is managable, by wife drives the car about 50% of the time(we switch nearly daily between the car and our '11 FX4) rain or shine with out any incident.
Yeah all the rain we had this past month was really taking a heavy toll on our roads. Water has been pooled up all over the place, which is probably why this was on my mind more than usual. I think I was spoiled by AWD and this Mustang is the most powerful car I've owned so I just need to adjust to the driving dynamics. I can tell these tires play a huge part in this though...for example:

One road I drive 7 days a week has two very sharp S-curves. Today in 85F degree sunny weather, I could manage about 35mph before the car started to push a little. When the weather is in the 60s like it has been for a week weeks, I'm lucky to push high 20s. I've never owned a set of tires that were so picky about ambient temps, but I'm not complaining. I love the car and how it drives, and I'm really fortunate to daily drive it.

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Quote:
Originally Posted by johnrhance View Post
Yeah all the rain we had this past month was really taking a heavy toll on our roads. Water has been pooled up all over the place, which is probably why this was on my mind more than usual. I think I was spoiled by AWD and this Mustang is the most powerful car I've owned so I just need to adjust to the driving dynamics. I can tell these tires play a huge part in this though...for example:

One road I drive 7 days a week has two very sharp S-curves. Today in 85F degree sunny weather, I could manage about 35mph before the car started to push a little. When the weather is in the 60s like it has been for a week weeks, I'm lucky to push high 20s. I've never owned a set of tires that were so picky about ambient temps, but I'm not complaining. I love the car and how it drives, and I'm really fortunate to daily drive it.
Try mine, at 35 degrees they are like driving on Hockey Pucks, but right now go around a 25 mile an hour corner at 60 without a problem

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I agree with the majority of posters who have recommended becoming familiar with the intricacies of the Mustang and the differences between a solid axle RWD and your AWD Forrester.

Also, keep in mind that they haven't yet repealed the laws of physics. If your Mustang can spin warm tires on a dry pavement in 100 degree temperature, it's going to be MUCH easier to spin them (reduce traction) on a cold, wet pavement.

My GT came equipped with the Pirelli P235/50/18 Zero Nero All Season tires. I have punched it a few times and easily spun the tires on dry pavement from a 30mph roll. At the same time, driving conservatively, I haven't noticed any lack of control on wet pavement. I don't agree that the issue is based entirely on the tires. I think it may be partially that, but probably more likely the fact that you're not used to the power under the hood that's being transferred to those tires. I'm sure there are better tires out there, but so far I have no complaints with the Pirellis.

Give it a little time for you and the Mustang to get to know each other a little better. And stay safe.

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I was a Pirelli fan boy (235/50-18) until 15,000 miles. After 15,000 miles they had bad traction even on dry roads. I replaced them, worn out and unsafe at 19,000 miles with Cooper ZEON RS3-A. I went up to size 255/45-18 . I only drive around 5,000 miles a year so it will be a few years before i can say how good or bad the Coopers will be. I live in East Tennessee too

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My Mustang handles better in the rain than in the dry (based on how well i place at an autocross event vs. the competition)... mind is blown.

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Yeah even with my P255\35ZR20s Nitto NT555s with traction control and stability on I can swing the ass around if I go medium throttle and those tires have really decent channels for water, its the larger wider blocks that are the culprit unlike more standard m+s tires where there are more channels more blocks but less surface area to them. The summer only or all season ultra performance tires are still not really suited for spirited driving in the rain like that.

As a matter of fact I found it harder to swing out the rear with my Pzero's than my Nitto tires in the rain, but it was reverse on dry pavement due to the tire size and different block designs.

You will just have to adjust your driving style for both. You should not have hydroplane issues in strait line highway driving other than excessive puddles.
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I've got 12,000 miles on my stock 18" P-Zero Neros and I have noticed more squirliness in the past month or two. I have an automatic and I drive with all the electronic nannies turned on, but I can certainly tell that I'm getting a little more wheelspin and a bit more of the back end breaking ever so slightly loose if I get on it harder. I would say that part of what you are seeing is tire wear starting to kick in as it gets to some of the harder compound and the temps start to cool down a little.


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