Cobra IRS

B/C A RealCarCostsTooMuch · February 9th, 2008, 10:40 PM

Anyone have an opinion on bolting in a used Cobra IRS set up?

I see these all the time on Ebay, complete for $750-$1000. It seems hard-core drag race guys like to swap solid rear-ends, I guess for strength, or squat, or something.

My ultimate goal is to get my 98 GT quick (not crazy fast), and handling well. Would like for it to be a good Autocross car. So I always planned on gears, PI swap, a few bolt-ons, get the ride height right (the factory ride height is so bad it's funny), and make it handle. It would seem that an IRS would be a big step in the right direction for road holding abilities.

Thoughts? (sorry it's soooo looonnngggg)

NMR-2vGT · February 10th, 2008, 03:34 AM

The IRS will be good for your handling in corners and everything but it wont work very good in a 1/4 mile drag race. So its just up to what you would rather have. Something that handles better or something that performs better in a drag race.

truedeath · February 10th, 2008, 10:43 AM

Solid axle FTW! Irs would be good on the Street but will do nothing in terms of traction. Id say hit up maximum motorsports and get a grip box. Best mod ive done so far and she handles like shes on rails. Only thing is tuning it takes a while. 4 hours last time i had it done. But definatly worth it.

B/C A RealCarCostsTooMuch · February 11th, 2008, 11:59 AM

Grip box? Tell me more.......

MustangMatt96GT · February 11th, 2008, 12:35 PM

Its a rear suspension set up.

MikeD05GT · February 11th, 2008, 01:23 PM

^^^ oh really thats it???

ModMustang97GT · February 11th, 2008, 01:52 PM

I dont' know, with your rear set, do you notice bumps make the whole back end go funky. I have springs and shocks with new sway bars. I'm getting a panhard bar here in a couple days. After all that shizz is installed. Do you still get the whole back end bumping around from a bump on 1 side?

B/C A RealCarCostsTooMuch · February 11th, 2008, 05:25 PM

That answers the question allright, it's a rear suspension........................

B/C A RealCarCostsTooMuch · February 11th, 2008, 05:29 PM

The only real problem I have with the factory set up is that the springs seem to bottom out over hard bumps. But it doesn't move around in any funny or strange way other than that, to answer your question ModMustang97GT. I've driven Lincoln Town Cars that seem to have a lot of lateral movement. Is that what you mean? I know that in very basic terms they have a similar set up. So, if that's the case are the shocks badly worn?

truedeath · February 11th, 2008, 09:39 PM

check Maximum Motorsports :: The Leader In Mustang Performance Suspension they have everything you need to make your pony stick. add a panhard,subframe connectors,k member,lower control arms,tokicos,and some good springs and you should be good. i still feel bumps(come on it IS a mustang) but no more dancing on shitty pavement. not to mention i can carve corners with eaase.

February 9th, 2008, 10:40 PM	#1
B/C A RealCarCostsTooMuch Regular 1998 GT Many Seconds Join Date: Feb 2008 Location: Wentzville, MO Posts: 54 iTrader: 0 reviews	Cobra IRS Anyone have an opinion on bolting in a used Cobra IRS set up? I see these all the time on Ebay, complete for $750-$1000. It seems hard-core drag race guys like to swap solid rear-ends, I guess for strength, or squat, or something. My ultimate goal is to get my 98 GT quick (not crazy fast), and handling well. Would like for it to be a good Autocross car. So I always planned on gears, PI swap, a few bolt-ons, get the ride height right (the factory ride height is so bad it's funny), and make it handle. It would seem that an IRS would be a big step in the right direction for road holding abilities. Thoughts? (sorry it's soooo looonnngggg)

February 10th, 2008, 03:34 AM	#2
NMR-2vGT Hardcore Enthusiast 1996 GT Too Slow.... Join Date: Feb 2007 Location: California/Nebraska Posts: 2,182 iTrader: 0 reviews	The IRS will be good for your handling in corners and everything but it wont work very good in a 1/4 mile drag race. So its just up to what you would rather have. Something that handles better or something that performs better in a drag race. __________________ 1996 Mustang GT, Full PI Swap, MGW Shifter, Magnaflow Cat-back, K&N Filter MM Unite For Bubba

February 10th, 2008, 10:43 AM	#3
truedeath Regular 1998 Mustang GT Join Date: Feb 2008 Location: ottawa ontario canada. Posts: 187 iTrader: 0 reviews	Solid axle FTW! Irs would be good on the Street but will do nothing in terms of traction. Id say hit up maximum motorsports and get a grip box. Best mod ive done so far and she handles like shes on rails. Only thing is tuning it takes a while. 4 hours last time i had it done. But definatly worth it. __________________ 98 GT summer toy. 05 FORD explorer Daily Driver. See Garage For Mods. the wheels of his mustang exploding on the highway like a slug from a 45. TRUE DEATH. 400hp of maximum performance piercing the night. this is black sunshine.

February 11th, 2008, 12:35 PM	#5
MustangMatt96GT Proud American 1996 Mustang GT 10.76 @ 122 with d/a of 8365 ft Join Date: Dec 2006 Location: Lakewood, CO Posts: 10,168 iTrader: 3 reviews	Its a rear suspension set up. __________________ RIP Travis Billings Special Thanks to: Andrews Racing Transmissions Baseline Suspensions Blown Small Block Ford with a hole in the block. 9.5 Dart Block 400 CI being saved for. Just because you can fuck a cactus doesn't mean you should. Never Lift Racecars

February 11th, 2008, 09:39 PM	#10
truedeath Regular 1998 Mustang GT Join Date: Feb 2008 Location: ottawa ontario canada. Posts: 187 iTrader: 0 reviews	check Maximum Motorsports :: The Leader In Mustang Performance Suspension they have everything you need to make your pony stick. add a panhard,subframe connectors,k member,lower control arms,tokicos,and some good springs and you should be good. i still feel bumps(come on it IS a mustang) but no more dancing on shitty pavement. not to mention i can carve corners with eaase. __________________ 98 GT summer toy. 05 FORD explorer Daily Driver. See Garage For Mods. the wheels of his mustang exploding on the highway like a slug from a 45. TRUE DEATH. 400hp of maximum performance piercing the night. this is black sunshine.

February 11th, 2008, 11:59 AM	#4
B/C A RealCarCostsTooMuch Regular 1998 GT Many Seconds Join Date: Feb 2008 Location: Wentzville, MO Posts: 54 iTrader: 0 reviews	Grip box? Tell me more.......

February 11th, 2008, 01:23 PM	#6
MikeD05GT MM Fanatic 2005 Mustang GT Join Date: Dec 2007 Location: Cedar Grove NJ Posts: 3,207 iTrader: 0 reviews	^^^ oh really thats it???

February 11th, 2008, 01:52 PM	#7
ModMustang97GT Hardcore Enthusiast 1997 Mustang GT Faster than an s4 Join Date: Aug 2007 Location: Seattle, WA Posts: 1,598 iTrader: 0 reviews	I dont' know, with your rear set, do you notice bumps make the whole back end go funky. I have springs and shocks with new sway bars. I'm getting a panhard bar here in a couple days. After all that shizz is installed. Do you still get the whole back end bumping around from a bump on 1 side?

February 11th, 2008, 05:25 PM	#8
B/C A RealCarCostsTooMuch Regular 1998 GT Many Seconds Join Date: Feb 2008 Location: Wentzville, MO Posts: 54 iTrader: 0 reviews	That answers the question allright, it's a rear suspension........................

February 11th, 2008, 05:29 PM	#9
B/C A RealCarCostsTooMuch Regular 1998 GT Many Seconds Join Date: Feb 2008 Location: Wentzville, MO Posts: 54 iTrader: 0 reviews	The only real problem I have with the factory set up is that the springs seem to bottom out over hard bumps. But it doesn't move around in any funny or strange way other than that, to answer your question ModMustang97GT. I've driven Lincoln Town Cars that seem to have a lot of lateral movement. Is that what you mean? I know that in very basic terms they have a similar set up. So, if that's the case are the shocks badly worn?

Remove Advertisements Sponsored Links
Forums at Modded Mustangs Advertisement Advertisement

Threads Similar to: Cobra IRS
Thread	Thread Starter	Forum	Replies	Last Post
Cobra R brakes with 2003 10th anniversary cobra wheels...?	Gen1sve	99-04	11	September 1st, 2011 12:57 AM
which engine for 1500 rwhp 2003 cobra 1999 cobra or 2000 gt	gtjason	New Members Introductions	13	March 1st, 2011 11:45 PM
1996 cobra swap with 03 cobra heads and supercharger.	stan's96snake	96-98	14	October 30th, 2010 04:57 PM
98 Cobra/01 cobra Rear bumper dif ?	Montanasvt	99-04	5	December 16th, 2007 05:50 AM
Newbie question. 98 cobra with 99 cobra tranny...Speedo fix?	RoyalCars	Modular Mustangs	5	February 18th, 2007 11:17 AM

All times are GMT -4. The time now is 05:34 PM.
Contact Us - Modded Mustangs - Privacy Statement - Top
Modded Mustangs is ©2005-2008, All Rights Reserved, And is Not Affiliated with Ford Motor Company. Forum is powered by vBulletin ©2000 - 2012, Jelsoft Ent. Ltd. & SEO by vBSEO 3.3.2 ©2009, Crawlability, Inc.