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SVT Shelby GT500
2012 gt500
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<blockquote data-quote="PistolWhip" data-source="post: 10020932" data-attributes="member: 30361"><p>Being that I've owned numerous combinations of both IRS's and SRA's, I'll give you a few opinionated observations.</p><p>Speaking purely about the 03/04 Cobra: The Mustang chassis was not designed for an IRS, the IRS was designed for the Mustang chassis. If you ask me, that's backwards, or at least lacking some basic principles of design. I would think that to take full advantage of any suspension design, the chassis should be specifically designed to support and take advantage of the benefits of its suspension and drivetrain. The IRS that was in the 03/04 cars was very well done when you consider that it was built and installed as somewhat of an afterthought for a car that was never designed to have it. However, "when you consider" is the key phrase here. It had flaws, lots of them. </p><p></p><p>If Ford intends to keep the Mustang chassis similar to what we have right now, I would much rather have an SRA in it. However if they are redesigning the chassis (along with the rest of the suspension dynamics) to marry an IRS to it, than I can't see why it wouldn't be a good performer. But building an IRS to fit into a car that was designed to have a SRA is just not the right way to do it. Hence the reason the IRS in the Cobra felt like it was "walking" when you really stressed it in stock form. </p><p></p><p>For me, SRA is the only way to go. I'm a drag racer and spirited street driver. I never had the desire, nor the ability to put any of my cars on a road course so really to me, all they were was a hindrance. The IRS was aways on my mind as a week link and I never had compete confidence in it which in turn caused my track times to suffer. Not to mention that in order for me to build the IRS to take what I was throwing at it, it would have cost me twice as much as it would have to build an SRA to take double the torque at launch. So as far as I'm concerned, thanks Ford, for putting an SRA back in my SVT!</p></blockquote><p></p>
[QUOTE="PistolWhip, post: 10020932, member: 30361"] Being that I've owned numerous combinations of both IRS's and SRA's, I'll give you a few opinionated observations. Speaking purely about the 03/04 Cobra: The Mustang chassis was not designed for an IRS, the IRS was designed for the Mustang chassis. If you ask me, that's backwards, or at least lacking some basic principles of design. I would think that to take full advantage of any suspension design, the chassis should be specifically designed to support and take advantage of the benefits of its suspension and drivetrain. The IRS that was in the 03/04 cars was very well done when you consider that it was built and installed as somewhat of an afterthought for a car that was never designed to have it. However, "when you consider" is the key phrase here. It had flaws, lots of them. If Ford intends to keep the Mustang chassis similar to what we have right now, I would much rather have an SRA in it. However if they are redesigning the chassis (along with the rest of the suspension dynamics) to marry an IRS to it, than I can't see why it wouldn't be a good performer. But building an IRS to fit into a car that was designed to have a SRA is just not the right way to do it. Hence the reason the IRS in the Cobra felt like it was "walking" when you really stressed it in stock form. For me, SRA is the only way to go. I'm a drag racer and spirited street driver. I never had the desire, nor the ability to put any of my cars on a road course so really to me, all they were was a hindrance. The IRS was aways on my mind as a week link and I never had compete confidence in it which in turn caused my track times to suffer. Not to mention that in order for me to build the IRS to take what I was throwing at it, it would have cost me twice as much as it would have to build an SRA to take double the torque at launch. So as far as I'm concerned, thanks Ford, for putting an SRA back in my SVT! [/QUOTE]
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