Advantages/ Disadvantages of IRS..
09-10-2011, 11:16 PM
#41
4th Gear Member
Join Date: Mar 2010
Location: GA
Posts: 1,232
Depends on what you want out of it. Stock SRA vs stock IRS, the IRS will ride nicer for you. Ford's IRS isn't the best design for one. If you are thinking of performance handling, I'd go with a properly built 5 link from Steeda instead. After looking into it for myself, the 5 link will out perform the IRS swap.
09-11-2011, 08:21 AM
#42
Retired Moderator
Join Date: Jun 2006
Location: SF Bay Area
Posts: 9,235
my car will be getting IRS for the simple reason that a proper ROAD RACE IRS will be a lot lighter than the equivalent SRA combo
my car will be going up against C6 vettes, and a bunch of Ferrari's, BMW's, and S2000's at the open track days i go to, and i need my car to be as light as possible, since im only working with ~300rwhp
one day ill have the front setup as Jazzer and ill be uber happy!!!!!!!!
my car will be going up against C6 vettes, and a bunch of Ferrari's, BMW's, and S2000's at the open track days i go to, and i need my car to be as light as possible, since im only working with ~300rwhp
one day ill have the front setup as Jazzer and ill be uber happy!!!!!!!!
It will have less "sprung weight" but not less weight overall.BTW... my car will handle every bit as well as a Corvette, and better in a lot of cases, depending on the spring/shock set-up, as there are LOTS of different models out there. Not picking on you, sn95_331_GT_ yellow, but the consensus seems to be that an IRS in the Mustang is automatically a better handling suspension. The fastest open track Mustangs on the planet have no issues running a stick-axle.
There are certainly advantages to running the IRS, and many have found at least one or two that work for him/her and is great. I am not here to bash the IRS, just help to ensure that the SRA not get thrown under the bus as some old school, antiquated and behind the times suspension that cannot compete on the AX or open-track
Jazzer
09-11-2011, 10:00 AM
#43
6th Gear Member
Join Date: Oct 2006
Location: Texas
Posts: 10,551
You pepes can talk about ride quality and that is great (honestly!), but I will put my car with an SRA up against ANY IRS Mustang and will have no issues competing with it on an open-track environment. My ONLY downside at the moment is HP and have plans in the making currently.
Let's not get carried away here pepes
Let's not get carried away here pepes
You have spent TONS of money on your SRA making it into a quality car... I have spent....ZERO.... making my car get to the point of a basic TA/PHB set up'ed SRA...Your car BETTER be able to whoop some *** on a track lol.
on a lighter note..
For the general enthusiast, you cant beat a swap for the rear end...if and only if you do some kind of trade. If your buying an IRS outright, there really is no cost savings there. An SRA with a TA and watts link or PHB will launch a hell of a lot better and...not break lol. The only downside is the ride.
09-11-2011, 04:27 PM
#45
I am sorry to say that your car will be HEAVIER with an IRS It will have less "sprung weight" but not less weight overall.
BTW... my car will handle every bit as well as a Corvette, and better in a lot of cases, depending on the spring/shock set-up, as there are LOTS of different models out there. Not picking on you, sn95_331_GT_ yellow, but the consensus seems to be that an IRS in the Mustang is automatically a better handling suspension. The fastest open track Mustangs on the planet have no issues running a stick-axle.
There are certainly advantages to running the IRS, and many have found at least one or two that work for him/her and is great. I am not here to bash the IRS, just help to ensure that the SRA not get thrown under the bus as some old school, antiquated and behind the times suspension that cannot compete on the AX or open-track
Jazzer
It will have less "sprung weight" but not less weight overall.BTW... my car will handle every bit as well as a Corvette, and better in a lot of cases, depending on the spring/shock set-up, as there are LOTS of different models out there. Not picking on you, sn95_331_GT_ yellow, but the consensus seems to be that an IRS in the Mustang is automatically a better handling suspension. The fastest open track Mustangs on the planet have no issues running a stick-axle.
There are certainly advantages to running the IRS, and many have found at least one or two that work for him/her and is great. I am not here to bash the IRS, just help to ensure that the SRA not get thrown under the bus as some old school, antiquated and behind the times suspension that cannot compete on the AX or open-track
Jazzer
i know an SRA can rock but its just not my cup of tea right now
09-11-2011, 05:51 PM
#48
Retired Moderator
Join Date: Jun 2006
Location: SF Bay Area
Posts: 9,235
^ Good question....
The SRA will pick up some weight for sure, as the UCA's are the only thing removed and certainly don't weigh nearly as much as a PHB or WL with TA.
The one big thing of which I don't know, in regards to the IRS, would be the RC. My guess is it would be the center of the pumpkin, as it is stationary. Interesting thread, to be sure
Jazzer
The SRA will pick up some weight for sure, as the UCA's are the only thing removed and certainly don't weigh nearly as much as a PHB or WL with TA.
The one big thing of which I don't know, in regards to the IRS, would be the RC. My guess is it would be the center of the pumpkin, as it is stationary. Interesting thread, to be sure
Jazzer
09-11-2011, 06:18 PM
#50
4th Gear Member
Join Date: Apr 2008
Location: New York
Posts: 1,306
^ Good question....
The SRA will pick up some weight for sure, as the UCA's are the only thing removed and certainly don't weigh nearly as much as a PHB or WL with TA.
The one big thing of which I don't know, in regards to the IRS, would be the RC. My guess is it would be the center of the pumpkin, as it is stationary. Interesting thread, to be sure
Jazzer
The SRA will pick up some weight for sure, as the UCA's are the only thing removed and certainly don't weigh nearly as much as a PHB or WL with TA.
The one big thing of which I don't know, in regards to the IRS, would be the RC. My guess is it would be the center of the pumpkin, as it is stationary. Interesting thread, to be sure
Jazzer
edit:
looks quite low from this
post #14 for lower 1"IRS (.98")
post #23 for stock height IRS (2.39")
http://forums.corral.net/forums/road...live-axle.html
Last edited by stangalator; 09-11-2011 at 06:35 PM.