Falcon and Mustang to be combined on the same platform.

[garagelogic]

Originally Posted by a_Username

The IRS in the Camaro seems to be holding up very well to drag racing, so you have a very moot point. The IRS in the Terminators were nothing less than the example of how not to do an IRS system.

Yep, in stock trim, they are doing well. So did the GTO's, up to a point. If you notice, a lot of the guys making big power have already upgraded to aftermarket axles, as they know the stockers will fail beyond a certain power level. It's a matter of when, not if, the stock halfshafts will fail.

[a_Username]

Originally Posted by garagelogic

Yep, in stock trim, they are doing well. So did the GTO's, up to a point. If you notice, a lot of the guys making big power have already upgraded to aftermarket axles, as they know the stockers will fail beyond a certain power level. It's a matter of when, not if, the stock halfshafts will fail.

Obviously, but to my understanding the IRS in the Terminators failed when a couple of mods were added to the car.

[garagelogic]

Originally Posted by a_Username

Obviously, but to my understanding the IRS in the Terminators failed when a couple of mods were added to the car.

You were obviously fed incorrect information.

[Ninjak]

Originally Posted by a_Username

Obviously, but to my understanding the IRS in the Terminators failed when a couple of mods were added to the car.

Indeed. I OWNED a Terminator easily putting down 525 RWHP. I would still own that car now if it was not for it being stolen out of my driveway VIA forklift and flatbed. I never had a issue even at the track, but I understood that the IRS could only hold so much, and I a piece added to mines for that "Just in case" was like a bushing to stop it from twisting up. But yeah it held up easily to a "few mods".

[a_Username]

Originally Posted by garagelogic

You were obviously fed incorrect information.

Then I don't get it. Yall are saying it was good in every single aspect, but most people regard it as a failure?

[garagelogic]

Originally Posted by a_Username

Then I don't get it. Yall are saying it was good in every single aspect, but most people regard it as a failure?

Why are you trying to put words in my mouth? I never said the unit was "good in every single respect". Yes, the IRS in the '03-'04 Cobras was retrofitted into a chassis that was not designed for IRS, but it was a far cry from a "failure". And who are these "people" you speak of? I'm getting my information from my interactions with actual owners, not folks on the outside looking in.

Almost all of the complaints you hear regarding the IRS units in those cars comes from people drag racing them. Folks who open track/road race the cars LOVE the IRS system. I do not believe there is an IRS system in existence that a drag racer would prefer to a solid rear axle. Does that mean they are all failures. Hardly.

[chevydude26]

the 2015 mustang should be slimmer and sleeker while staying muscular...more like their concept that came out before the 2005 mustang

[Ninjak]

Originally Posted by a_Username

Then I don't get it. Yall are saying it was good in every single aspect, but most people regard it as a failure?

I agree with what Garage is saying here. I OWNED this car. I drove it at the track and the strip. The complaint was from the drag racers. Please show me a car that makes well over 600 to the wheels on a stock IRS and RACE it more than once a year....

Hmmm somehow I do not think you wll get a TRUTHFUL answer. Because real racers, serious 1/4 will always use a live axle out back.

[a_Username]

Originally Posted by garagelogic

Why are you trying to put words in my mouth? I never said the unit was "good in every single respect". Yes, the IRS in the '03-'04 Cobras was retrofitted into a chassis that was not designed for IRS, but it was a far cry from a "failure". And who are these "people" you speak of? I'm getting my information from my interactions with actual owners, not folks on the outside looking in.

Almost all of the complaints you hear regarding the IRS units in those cars comes from people drag racing them. Folks who open track/road race the cars LOVE the IRS system. I do not believe there is an IRS system in existence that a drag racer would prefer to a solid rear axle. Does that mean they are all failures. Hardly.

You talking to a couple actual owners does not mean that there aren't problems with all of them. I realize that drag racers prefer solid axles, however the Camaro seems to be doing well with an IRS system in the 1320. The Terminators had IRS because they wanted an all-around performance machine, and obviously a live rear axle can not perform well around a track, at least not in comparison towards an IRS performing on the drag strips.

[garagelogic]

Originally Posted by a_Username

You talking to a couple actual owners does not mean that there aren't problems with all of them. I realize that drag racers prefer solid axles, however the Camaro seems to be doing well with an IRS system in the 1320. The Terminators had IRS because they wanted an all-around performance machine, and obviously a live rear axle can not perform well around a track, at least not in comparison towards an IRS performing on the drag strips.

"A couple of owners.." You have no idea, but that really does not matter. I'm not going to sit here and debate IRS vs SRA. It has been done to death on this board and you can go find/read those threads if you like.

The Camaro halfshafts, at stock and slightly elevated power levels, do seem to be holding up pretty well and that is a testament to the GM engineer's design. However, as I stated earlier, you WILL need stonger halfshafts to prevent breakage at the track when you reach 500+rwhp or maybe even less if you are running on slicks. Wait and see. If I'm wrong, then why would almost all of the people on this forum doing high-powered builds be upgrading the halfshafts or going to a solid axle setup? You act like I am bashing the IRS in the Camaro, and I'm not.

[a_Username]

Originally Posted by garagelogic

"A couple of owners.." You have no idea, but that really does not matter. I'm not going to sit here and debate IRS vs SRA. It has been done to death on this board and you can go find/read those threads if you like.

The Camaro halfshafts, at stock and slightly elevated power levels, do seem to be holding up pretty well and that is a testament to the GM engineer's design. However, as I stated earlier, you WILL need stonger halfshafts to prevent breakage at the track when you reach 500+rwhp or maybe even less if you are running on slicks. Wait and see. If I'm wrong, then why would almost all of the people on this forum doing high-powered builds be upgrading the halfshafts or going to a solid axle setup? You act like I am bashing the IRS in the Camaro, and I'm not.

Oh I'm sorry, I did not know you talked to the thousands of people who owned the 03-04 Terminators and remembered all of their opinions to make a conclusion that the IRS on the said car was in fact the best piece of suspension to hit this earth since an Evolution IX.

I realize you're not bashing the Camaro's IRS, I'm just using it as a comparison/example. The whole point of my argument is that they could have done better with the IRS in regards to drag racing, which is why I brought up the SS's IRS setup to use it in comparison on how well IRS should hold up. And you repeatedly bring up the needed upgrades with massive power, which is nothing less than a "der" statement lol.

[truth411]

Originally Posted by garagelogic

Let me go on record, as a previous owner of three IRS performance cars, that I do NOT want the Mustang to move to that setup. I'd rather live with everyone calling the setup inadequate and/or outdated than have to deal with an IRS setup again. That is all.

I would, however, like to see Ford bring the Falcon over to the US marketplace.

No deal man, If this is true, that means ford is going to sell version of the car Globaly, Not Everybody sends 750hp to the wheels. IRS is clearly superior to SRA for Daily driveing, especialy considering some of europes rough roads.
Also think big Picture, With an IRS, Ford could also easily stretch the wheelbase add 2 more doors and sell a very profitable RWD Lincoln version.
Ultimately if they are going to merge the platform together and sell this car globaly, that means NO SRA inorder for it to be taken seriously and be profitable. Many Mustang loyalist love the SRA, But in Europe it simply will not be accepted, and thats the truth.

[Ninjak]

Originally Posted by a_Username

Oh I'm sorry, I did not know you talked to the thousands of people who owned the 03-04 Terminators and remembered all of their opinions to make a conclusion that the IRS on the said car was in fact the best piece of suspension to hit this earth since an Evolution IX.

I realize you're not bashing the Camaro's IRS, I'm just using it as a comparison/example. The whole point of my argument is that they could have done better with the IRS in regards to drag racing, which is why I brought up the SS's IRS setup to use it in comparison on how well IRS should hold up. And you repeatedly bring up the needed upgrades with massive power, which is nothing less than a "der" statement lol.

No his statement goes in point where you say

Originally Posted by a_Username

Obviously, but to my understanding the IRS in the Terminators failed when a couple of mods were added to the car.

As not being true. As a owner of this car I also corrected and said not true. With minor adds, and keeping the RWHP N of 600, the IRS held together. Again I ran 525 RWHP, and I went to the track quite often. People trying to push big power without upgrades had issues, and the same would happen to any Camaro owner trying to push that much power without upgrading. Period.

I do not understand why you seem to be missing this point. A STOCK IRS is not going to hold up under big HP's. It was that way for the Cobra, and its that way for the Camaro. Under normal or slightly elevated power the IRS was fine in a Cobra, and its fine in a Camaro

[truth411]

Originally Posted by Ninjak

No his statement goes in point where you say As not being true. As a owner of this car I also corrected and said not true. With minor adds, and keeping the RWHP N of 600, the IRS held together. Again I ran 525 RWHP, and I went to the track quite often. People trying to push big power without upgrades had issues, and the same would happen to any Camaro owner trying to push that much power without upgrading. Period.

I do not understand why you seem to be missing this point. A STOCK IRS is not going to hold up under big HP's. It was that way for the Cobra, and its that way for the Camaro. Under normal or slightly elevated power the IRS was fine in a Cobra, and its fine in a Camaro

If I may chime in here, The IRS in the camaro is waaaaaay stronger than the IRS in the 03 terminator, the camaro's IRS is similar to the CTS-v and ZR1 i believe. The 03 terminator IRS was the IRS from the thunderbird if I remeber correctly, not in the same league IMO. also lets not fool our selves the 8.8" rear-end in the mustang in not exactly bullet proof. Fords 9" rear end is much stronger.