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The New S550 2015 Mustang Discussions on the upcoming next generation of the Ford Mustang - expected to arrive in 2014 with the platform name S550. Sponsored by American Muscle


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Old 08-26-2014, 06:13 PM   #121
pascal
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You guys and your Freaking IRS...
Shaving weight is where it's at with these cars!!! YO!!!
Y'all never read that memo eh?
Besides, most of you will NEVER push the car to the limit to where you'll need an IRS and for two reasons: Lack of skills for one and license suspension for another. lol.

Our GT3 Stang never had problems with its solid axle against Porsche, Aston and other top Brands from Europe.
The extra weight in the other end, was always an handicap in tight turns and slow tracks.
Despite that, the car kicked *** none the less.
Also (although not a huge problem for the street), the added weight affect suspension performance as well as braking so it's a lose/lose situation.
The irony is that the S197 body shell is the best ever produced since 65 as far as structure integrity and if it was at least 500lbs lighter, it would have been a lethal platform and decimate the competition.
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Old 08-26-2014, 08:06 PM   #122
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You guys and your Freaking IRS...
Shaving weight is where it's at with these cars!!! YO!!!
Y'all never read that memo eh?
Besides, most of you will NEVER push the car to the limit to where you'll need an IRS and for two reasons: Lack of skills for one and license suspension for another. lol.
IRS is about more than just handling. you can really tell the difference on the street, especially when you have to deal with less than perfect road surfaces. The S197 has a lot of unsprung weight back there, and going over uneven pavement (especially around a turn) makes for a lot of clomping and jiggling from the rear. The IRS is just plain better behaved and more predictable.
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Old 08-26-2014, 08:46 PM   #123
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Yeah this argument comes up a lot about a beat up road...
You would gain with IRS in that case sure, but said road has to be really bad and me think that a Stang or any sport cars have no business being there.
As for unsprung weight, once you have decent shocks and springs all around you've improved a lot.
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Old 08-26-2014, 09:01 PM   #124
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Yeah this argument comes up a lot about a beat up road...
You would gain with IRS in that case sure, but said road has to be really bad and me think that a Stang or any sport cars have no business being there.
As for unsprung weight, once you have decent shocks and springs all around you've improved a lot.
I see you live in a place which doesn't experience winter. If you're claiming that Mustangs have no business being driven north of the Mason-Dixon Line, then that's your choice. But up here, we have to deal with frost heaves and potholes and temporary repairs. My '12 Mustang jiggles its *** around those bumps, my Ranger hops all over the place. IRS makes a huge difference whether you want to admit it or not.
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Old 08-27-2014, 06:26 AM   #125
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I see you live in a place which doesn't experience winter. If you're claiming that Mustangs have no business being driven north of the Mason-Dixon Line, then that's your choice. But up here, we have to deal with frost heaves and potholes and temporary repairs. My '12 Mustang jiggles its *** around those bumps, my Ranger hops all over the place. IRS makes a huge difference whether you want to admit it or not.
I too live where it doesn't snow, well, maybe only once in every 5 years.
But just because I live in the South does not mean that we do not see slippery road conditions or imperfect pavement.

As much as the S197 solid rear axles jiggles over imperfect road road conditions, Pascal is still correct. Upgrading the shocks makes a completely noticeable difference. And doing that does not cost too much money to do either. Without going IRS, upgrading the suspension makes a world of difference too.

Many fellow MF members also compete in road course racing and they make the simple stick axle work with suspension upgrades that are well below the cost of a cheap supercharger kit. Look in the S197 Handling sub-forum for first hand experience from members who race professionally and semi-professionally.

If you are looking for controlled experiments, forget finding it. BUT do not forget what controlled experiments are supposed to do: simulate the real world or a portion of the real world conditions.
Controlled experiments are fine and dandy but don;t forget that they too have their inadequacies: The cost of replicating all conditions might be impossible. Even if it is possible to replicate even a set number of conditions, it might be too cost prohibitive. The designer of the experiment might be under pressure from the people funding the studies to skew the results because of what the funders want or are willing to spend on the studies. (No, they do not have to "cook the books" with false or incorrect numbers, but they have say in what factors the experiments will test and not test.)

Look at your EPA MPG test parameters. You said it yourself; there are too many variables to account for what you, the individual end customer will get out of your car because there are too many variables to consider.
The EPA test model is therefore limited because you cannot feasibly account for every variable, nor can you factor in every variable because it would be cost-prohibitive to scale it for public consumption.

My point is just because IRS is superior in keeping the individual tires on the ground evenly and flat, that does not mean that solid rear axles cannot be made to handle very well too despite their limitations.
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Old 08-27-2014, 06:32 AM   #126
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I thought you put me on ignore.
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Old 08-27-2014, 03:45 PM   #127
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I thought you put me on ignore.
No, that was my suggestion to him I believe.
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Old 08-27-2014, 05:14 PM   #128
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I thought you put me on ignore.
Nah, I never said I placed you on ignore.

But you have improved in your friendliness.
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Old 08-27-2014, 08:09 PM   #129
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No, that was my suggestion to him I believe.
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Nah, I never said I placed you on ignore.

But you have improved in your friendliness.
your loss.
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Old 08-28-2014, 06:21 AM   #130
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your loss.
Well, I stand corrected. Minus one on your friendliness score.

You actually dropped your sarcasm which is backed by some sort of disdain for whatever reason, and you were being informative which is great because that is what MF is here for: to distribute useful info about our cars.

Even though you weren't giving anyone any compliments, for a time, you were completely neutral and presented your info without your sarcasm.
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Old 08-28-2014, 06:21 AM
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