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Old 04-13-2013, 12:53 PM   #1
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Live axle vs IRS in new stangs?

Just wanted people's thoughts on what they think is better? Live axle a thing of the past? Ever consider a swap? Ups and downs?
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Old 04-13-2013, 02:36 PM   #2
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You talking about the S197s?
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Old 04-13-2013, 03:22 PM   #3
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Absolutely. This topic wouldn't be any fun if I weren't
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Old 04-13-2013, 03:33 PM   #4
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Well I'm not exactly sure where you would find an IRS for an S197 but I sure like it in my GT. It would be interesting to see one in an S197 though. I know I don't wanna go back to SRA especially because I like to track my car.
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Old 04-13-2013, 03:45 PM   #5
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Yeah the 1999 SVT had and IRS, ever wonder what the reason was for "switching" back? I would say that all together Live Axle is the way to go with mustangs. Besides I would figure that they might have switched to IRS more recently if Ford thought it was better for the car. Even the new Shelbys are that way. Though I have heard the 99 SVT had wheel hop issues, I can't confirm that info.
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Old 04-13-2013, 04:07 PM   #6
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All the new edge Cobras besides the '00 have an IRS in it. Wheel hop is a pretty major issue but there are companies that make aftermarket bushing kits that help reduce it. IRS is pretty nice but the Cobra setup isn't all that great because Ford asked the engineers to cobble something together instead not designing a chassis intended for IRS. I personally love the IRS because it handles great and rides smooth, but I may be biased because I don't care so much about drag racing.
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Old 04-13-2013, 04:12 PM   #7
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Good to know. Would be interested and having some other people weigh in on this as well. Love to hear everyones opinions. Maybe if Ford where to make a chassis built for an IRS system??
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Old 04-13-2013, 04:50 PM   #8
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Quote:
Originally Posted by JDF
All the new edge Cobras besides the '00 have an IRS in it. Wheel hop is a pretty major issue but there are companies that make aftermarket bushing kits that help reduce it. IRS is pretty nice but the Cobra setup isn't all that great because Ford asked the engineers to cobble something together instead not designing a chassis intended for IRS. I personally love the IRS because it handles great and rides smooth, but I may be biased because I don't care so much about drag racing.
00 cobra r had it as well.

Personally i'm glad I ditched mine.
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Old 04-13-2013, 04:56 PM   #9
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00 cobra r had it as well.

Personally i'm glad I ditched mine.
Glad you ditched yours for what reasons? Didn't like the feel? Issues?
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Old 04-13-2013, 05:02 PM   #10
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Quote:
Originally Posted by lowflyn View Post

00 cobra r had it as well.

Personally i'm glad I ditched mine.
It did? Hmm for some reason I thought they kept the SRA for it
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Old 04-15-2013, 11:49 AM   #11
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Quote:
Originally Posted by StangReaper

Glad you ditched yours for what reasons? Didn't like the feel? Issues?
The design just doesn't work. It takea $2000-$3000 to get parts to make it work correctly. After replacing two half shafts and resealing the diff three times I moved on.
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Originally Posted by JDF

It did? Hmm for some reason I thought they kept the SRA for it
Nope. Irs
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Old 04-15-2013, 12:10 PM   #12
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The IRS in the corvettes are awesome the cobras just needed a better design
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Old 04-15-2013, 12:23 PM   #13
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Originally Posted by lowflyn View Post

Nope. Irs
Good to know. Thanks
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Old 04-15-2013, 05:06 PM   #14
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Originally Posted by lowflyn View Post
The design just doesn't work. It takea $2000-$3000 to get parts to make it work correctly. After replacing two half shafts and resealing the diff three times I moved on.

Nope. Irs
After that much work I woulda moved on too hahahaha. Good to know
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Old 04-16-2013, 06:53 PM   #15
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Go to live axle with a 3link set. Ditch the UCA and go with a TA. Then upgrade the LCA bushings cause rubber sucks. Then increase rear spring rates. Also add an adjustable rear sway bar as well. DOnt forget an adjustable pan hard rod too.
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Old 04-18-2013, 10:32 AM   #16
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Quote:
Originally Posted by 2300turboford View Post
The IRS in the corvettes are awesome the cobras just needed a better design
On Corvette forums I came across today for a different reason, there were many threads talking about how easy they break on slicks.

As for straight line acceleration, SRA is fantastic and allows for the most 1/4 friendly mods, such as wider tires etc.
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Old 04-18-2013, 11:08 AM   #17
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Quote:
Originally Posted by fastmustangs1 View Post
Go to live axle with a 3link set. Ditch the UCA and go with a TA. Then upgrade the LCA bushings cause rubber sucks. Then increase rear spring rates. Also add an adjustable rear sway bar as well. DOnt forget an adjustable pan hard rod too.
The 3 link is with a panhard only. When you use either a panhard or watts link you can remove one of the uppers, but when you add a torque arm you remove both the uppers. I don't know what to think about a 3 link, seems a little sketchy to me.
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Old 04-18-2013, 02:39 PM   #18
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New bushings I've heard make a huge difference by themselves
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