Broken spoiler
Thread Starter
Junior Member
Joined: Jul 2013
Posts: 63
Likes: 0
From: Honolulu, HI
Car: 1989 IROC-Z Vert
Engine: 305 TPI (LB9)
Transmission: 700R4 Auto
Axle/Gears: 2.73
Broken spoiler
So I went to the store yesterday and when I finished my shopping and walked out low and behold there was snow everywhere. I got my IROC to my apartment complex but there are inclines everywhere throughout the property. I didn't make it far before I got stuck and she just wanted to slide sideways. After about 10 minutes of trying to get her to the garage with no avail some neighbors showed up to give me a hand. They were pushing on the trunk of the car getting me to the nearest free parking spot when I heard a loud crack. My spoiler came right off.
My heart sunk when I saw that it was just merely glued to posts bolted into the trunk. I know ASC did the conversions but I didn't know they were done so cheaply. The spoiler on my 91 is all one piece and not glued. Are there any aftermarket vert spoilers that are all one piece? Does anyone know what kind of glue is used for the spoiler. I am guessing it was done with a hot glue gun or something. My IROC looks so crappy without the spoiler I want to get it back on as soon as possible. Anyways, just wanted to share my experience and any info on the glue or other products would be greatly appreciated. Thanks fellow third geners.
My heart sunk when I saw that it was just merely glued to posts bolted into the trunk. I know ASC did the conversions but I didn't know they were done so cheaply. The spoiler on my 91 is all one piece and not glued. Are there any aftermarket vert spoilers that are all one piece? Does anyone know what kind of glue is used for the spoiler. I am guessing it was done with a hot glue gun or something. My IROC looks so crappy without the spoiler I want to get it back on as soon as possible. Anyways, just wanted to share my experience and any info on the glue or other products would be greatly appreciated. Thanks fellow third geners. Member
Joined: Mar 2009
Posts: 107
Likes: 2
From: wa
Car: 1990 irocz camaro
Engine: 350 tpi
Transmission: auto
Axle/Gears: 3.42 posi disc 10 bolt
Re: Broken spoiler
JB weld works ,sorry about the car spoiler ,fyi on the side of spoiler there a rivet that also attaches to truck lid
Supreme Member

Joined: May 2005
Posts: 1,058
Likes: 4
From: Malvern, Arkansas
Car: 90 IROC 2-92 Zs blk vert & prpl
Engine: stealth ram brodix track 1 ful port
Transmission: 700r4 4l80e
Axle/Gears: iroc 375 lokr 92 Z 277 pos vert 327
Re: Broken spoiler
I tried a few times to fix mine and finally came up with a successful method. I took a piece 3/4 water pipe (PVC type pipe) from the local hardware store and cut it to length and angle to seat against the trunk lid. I took a grinder and roughed up the plastic pedastal so the epoxy could get a good grip. The pipe makes it have enough surface area to adhere and hold.
Junior Member
Joined: Jul 2012
Posts: 96
Likes: 0
From: alabama
Car: 1992 camaro rs convertible
Engine: 3.1 liter v6
Transmission: automatic
Axle/Gears: 3.23 posi trac
Re: Broken spoiler
dang sounds about like whats going on down here in the south one minutes its all clear the next its a blizzard out side.What about the side posts that run from the tonneau cover back to the spoiler mid section. Im having some problems with them but im a little too scared to take them off not know what there is and since vert parts are so hard to find i dont want to break it.
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Joined: Dec 1999
Posts: 5,964
Likes: 37
From: Hacienda Heights, CA
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27
Supreme Member
iTrader: (4)
Joined: Sep 2004
Posts: 2,069
Likes: 5
From: MN
Car: 85 SC, 86 Berlinetta
Engine: V6, V8
Transmission: 700r4, 700r4
Re: Broken spoiler
Get an epoxy of some sort or try contacting ASC or a body shop to see if you can find out either what was originally used or what they might recommend. If you contact a body shop contact more than one.
Senior Member
iTrader: (2)
Joined: Mar 2003
Posts: 859
Likes: 5
From: Birmingham Alabama
Car: 1991 Firebird convertible
Engine: LQ4 ls 6.0
Transmission: 4L60E
Axle/Gears: 342 Limited slip
Re: Broken spoiler
dang sounds about like whats going on down here in the south one minutes its all clear the next its a blizzard out side.What about the side posts that run from the tonneau cover back to the spoiler mid section. Im having some problems with them but im a little too scared to take them off not know what there is and since vert parts are so hard to find i dont want to break it.
Thread Starter
Junior Member
Joined: Jul 2013
Posts: 63
Likes: 0
From: Honolulu, HI
Car: 1989 IROC-Z Vert
Engine: 305 TPI (LB9)
Transmission: 700R4 Auto
Axle/Gears: 2.73
Re: Broken spoiler
Thank you all for the advice. My spoiler broke at the glue joints so I got lucky. I think I will try and reglue the spoiler posts back to the spoiler and I also have automotive double sided tape for the bottom inside of the spoiler just under the third brake light. Do you guys think glue would work better than JB weld?, or vice a versa?... I will post some pics just for laughs when I get home this afternoon.
Thread Starter
Junior Member
Joined: Jul 2013
Posts: 63
Likes: 0
From: Honolulu, HI
Car: 1989 IROC-Z Vert
Engine: 305 TPI (LB9)
Transmission: 700R4 Auto
Axle/Gears: 2.73
Re: Broken spoiler
Here are some pics, I will post some when I get home of the underside of the spoiler.
Senior Member
iTrader: (2)
Joined: Mar 2003
Posts: 859
Likes: 5
From: Birmingham Alabama
Car: 1991 Firebird convertible
Engine: LQ4 ls 6.0
Transmission: 4L60E
Axle/Gears: 342 Limited slip
Re: Broken spoiler
You should be able to take the pieces off the car and sand them with 80 grit sandpaper and the spoiler were they went then mix up fiberglass resin and and reinstall the parts back on the spoiler
Junior Member
Joined: Jul 2012
Posts: 96
Likes: 0
From: alabama
Car: 1992 camaro rs convertible
Engine: 3.1 liter v6
Transmission: automatic
Axle/Gears: 3.23 posi trac
Re: Broken spoiler
probably a dumb question but want an ordinary spoiler work if im not mistaken my dads old 90 rs spoiler had the third brake light in it and not in the back glass im just wondering
Re: Broken spoiler
Yours is a easy fix. Just remove broken pieces off trunk (carefully) and use epoxy to re-attach them...or buy a new one from Hawks for $225 or so. Hang on to that specific third brake light though.
Thread Starter
Junior Member
Joined: Jul 2013
Posts: 63
Likes: 0
From: Honolulu, HI
Car: 1989 IROC-Z Vert
Engine: 305 TPI (LB9)
Transmission: 700R4 Auto
Axle/Gears: 2.73
Re: Broken spoiler
Here's some pics of the underside. Still need to take off the old glue.
Last edited by Vassago; Feb 11, 2014 at 10:55 PM. Reason: pics
Thread Starter
Junior Member
Joined: Jul 2013
Posts: 63
Likes: 0
From: Honolulu, HI
Car: 1989 IROC-Z Vert
Engine: 305 TPI (LB9)
Transmission: 700R4 Auto
Axle/Gears: 2.73
Re: Broken spoiler
Corner of third brake light where the electrical wires plug in broke a little, I had to bend the prongs back in place. Thank god it will still plug in. shouldn't have any troubles with it disconnecting.
Member

Joined: Nov 2004
Posts: 119
Likes: 10
From: Lansdale, PA
Car: 1991 Corvette
Engine: 383 TPI
Transmission: 700R4
Axle/Gears: D44 3.33 gears
Re: Broken spoiler
The same exact thing happened to my 89 Iroc vert about 20 years ago. I got stuck in my neighborhood and a neighbor helped me out by pushing. It tore the damn center section of same as yours. I used some type of epoxy (can't recall exact as it was a long time ago) to attach the posts back to the spoiler. It worked perfectly and held until I sold it a few years later. Damn I miss that car!
Junior Member
Joined: Aug 2011
Posts: 7
Likes: 0
From: Medina, ny
Car: 1989 IROC-Z convertible
Engine: 305 TPI
Transmission: stock
Axle/Gears: stock
Re: Broken spoiler
two part epoxy from the car parts store fixed mine. Make sure to rough up both parts with some 80 grit sandpaper before gluing. works very well.
Thread Starter
Junior Member
Joined: Jul 2013
Posts: 63
Likes: 0
From: Honolulu, HI
Car: 1989 IROC-Z Vert
Engine: 305 TPI (LB9)
Transmission: 700R4 Auto
Axle/Gears: 2.73
Re: Broken spoiler
Used 2 part epoxy from the auto store and new double sided tape, I don't think it will be breaking off again anytime soon.
Thank you all for the advice!
Thank you all for the advice! Supreme Member

Joined: May 2005
Posts: 1,058
Likes: 4
From: Malvern, Arkansas
Car: 90 IROC 2-92 Zs blk vert & prpl
Engine: stealth ram brodix track 1 ful port
Transmission: 700r4 4l80e
Axle/Gears: iroc 375 lokr 92 Z 277 pos vert 327
Re: Broken spoiler
I tried a few different glues and the two part epoxy along with lightly grinding everything really helped mine. I have tried to break it (within reason) and it is ON THERE. They seem to need a little more surface area to make them more secure that is why I added the water (PVC) pipe to surround the factory pedastals. It adds strength and more surface area against the spoiler and trunk lid. Sorta like going from a 3/8 bolt to a 3/4.
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