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corvette irs in camaro

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Old Apr 14, 2007 | 05:18 AM
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Default corvette irs in camaro

im putting irs in my 02 z28 just trying to get feed back on what problems i might run in to and if anyone else has done this
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Old Apr 14, 2007 | 08:45 AM
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It has been done, I saw a thread w pics on here. I think it was even in this section, less than a year ago. If memory serves it was on a firebird. It sat kinda high in the back, but I think they said they planned to work on that.

I think its a very cool idea. But its hard to justify the hellish fab and costs. That said, Go For it! Your car should be built to your desires, practicality b damned!
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Old Apr 14, 2007 | 08:51 AM
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Yeah, I thaught it was an LT1 bird, and C4 IRS.

Here you go...its a thing of beauty!
https://ls1tech.com/forums/showthrea...ght=f-body+IRS
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Old Apr 14, 2007 | 12:20 PM
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thanks for the help iv already got the irs so theres no turning back now plus why be like everyone else
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Old Apr 14, 2007 | 04:06 PM
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Originally Posted by pewter02z28gs
thanks for the help iv already got the irs so theres no turning back now plus why be like everyone else





have fun and please keep us updated on your progress!
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Old Apr 14, 2007 | 07:20 PM
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What kind of IRS did you get?
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Old Apr 14, 2007 | 11:39 PM
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i read somewhere on this site (i think it was in a mod written sticky) about irs slowing down the launch. and that being why fbodys can run identical track times as vettes...because they dont have the irs to slow them down.
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Old Apr 14, 2007 | 11:50 PM
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ok after some digging i found it here
https://ls1tech.com/forums/new-ls1-owners-newbie-tech/458711-general-et-hp-database-what-s-your-1-4-mile-time.html

"The corvette differs from the F-body in a few things. It is lighter, weighing in near 3200lbs (empty) [zo6 is around 3100lbs (empty)] vs. the F-body's 3600lbs (empty). It handles better, due to less weight, lower center of gravity, and better suspension (IRS). IRS makes launching a Corvette more difficult that is why they pull similar times at the strip."
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Old Apr 15, 2007 | 12:27 AM
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Originally Posted by Ripper415
ok after some digging i found it here
https://ls1tech.com/forums/showthread.php?t=458711

"The corvette differs from the F-body in a few things. It is lighter, weighing in near 3200lbs (empty) [zo6 is around 3100lbs (empty)] vs. the F-body's 3600lbs (empty). It handles better, due to less weight, lower center of gravity, and better suspension (IRS). IRS makes launching a Corvette more difficult that is why they pull similar times at the strip."
It looks like we have a real "winner" here.
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Old Apr 15, 2007 | 12:28 AM
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IRS is used for taking corners. a live axle is (mainly) used for straight line racing. however if a poorly engineered/designed IRS is present (03-04 cobras), they gain corner speed by switching to live axle
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Old Apr 15, 2007 | 12:29 AM
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Originally Posted by speed_demon24
It looks like we have a real "winner" here.


i was trying to go easy. at least he used search!
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Old Apr 15, 2007 | 01:41 AM
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Originally Posted by pewter02z28gs
im putting irs in my 02 z28 just trying to get feed back on what problems i might run in to and if anyone else has done this
I worked at a performance shop in the late 80's and we put the same Corvette C4 IRS in a Buick Grand National. As far as I can remember, it wasn't too bad to get it installed because there are just two main mounting points (I think the pics of the Firebird has some good shots of these points). IIRC, we cut out part of the frame to fit the mounts higher instead of grafting the mounts underneath the existing frame. A new upper-shock mounting had to be fabricated as well. I know I have some pictures around here, but I haven't seen them in years. The car seemed to handle better, but we really didn't have a chance to dial it in.
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Old Apr 15, 2007 | 04:35 AM
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its an irs out of a 96 grandsport and this is a road course car im buliding just going straight was amusing when i was younger but i wanna do something different and to those will say you should got a vette it was a thought but id rather do it myself and have something different plus anyone with money can buy a vette.
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Old Apr 15, 2007 | 10:47 AM
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Originally Posted by pewter02z28gs
this is a road course car im buliding just going straight was amusing when i was younger but i wanna do something different and to those will say you should got a vette it was a thought but id rather do it myself and have something different plus anyone with money can buy a vette.
Preach on Brother!!

Keep us posted...lotsa pics and tech!
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Old Apr 15, 2007 | 11:45 AM
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Originally Posted by subtlez28
Preach on Brother!!

Keep us posted...lotsa pics and tech!



Amen!
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Old Apr 26, 2007 | 06:41 PM
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Originally Posted by SIK02SS
IRS is used for taking corners. a live axle is (mainly) used for straight line racing. however if a poorly engineered/designed IRS is present (03-04 cobras), they gain corner speed by switching to live axle

Man are you confused about the cobra...I am a chevy guy and road race a z06. I race an 03 cobra with stock irs (I am talking road courses) and it is way better than a stock mustang and also better than a 4th gen z28 which is much better than a live axle mustang...they suck going around corners no matter what you read in the magazines.
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Old Apr 26, 2007 | 09:51 PM
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Originally Posted by ChucksZ06
Man are you confused about the cobra...I am a chevy guy and road race a z06. I race an 03 cobra with stock irs (I am talking road courses) and it is way better than a stock mustang and also better than a 4th gen z28 which is much better than a live axle mustang...they suck going around corners no matter what you read in the magazines.


mmkay; i don't read the mustang magazines so i don't know what they say. the design of the IRS's in them aren't very good. People switch to live axles all the time b/c of it....i am not saying the live axle in the stangs is very good either..but both CAN work

if you're a member on frrax, maybe you should read this thread: http://www.frrax.com/rrforum/index.p...6&hl=cobra+irs
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