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87 trans am "extensions"

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Old 04-07-2015, 06:56 PM
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Car: 87 trans am
Engine: 350
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87 trans am "extensions"

I'm restoring my 87 firebird, when I took it apprt for paint I found my fender, quarter, and rocker extension retainers a just about shot, Ive been t trying to find new retainers, but th He y are obsolete through gm and no one sells just a retainer, hs anyone gone through this.does anyone have any leads to where I can get just the retainer
Old 04-07-2015, 07:07 PM
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Car: 1 Owner 1986 TA with a WS6 package
Engine: 5.0 EFI
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Axle/Gears: 277 Posi Speedo
Re: 87 trans am "extensions"

By Retainers,are you speaking of the Nuts And Bolts??
Old 04-07-2015, 07:09 PM
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Car: 87 trans am
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Re: 87 trans am "extensions"

Its like flat stock steel with studs pressed in with pelnuts
Old 04-07-2015, 07:19 PM
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Re: 87 trans am "extensions"

You can try this place,I've had some good luck with them in the past.It would be a nice idea to get a Parts And Illustration Catalog to get the P/Ns from it.


http://www.clipsandfasteners.com/default.asp
Old 04-07-2015, 07:30 PM
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Car: 1992 Formula 350
Engine: 5.7 L98
Transmission: 700R4
Re: 87 trans am "extensions"

those items you're referring to have been discontinued. Every now and then someone will be selling an NOS one on ebay but in all honestly your best bet is a junkyard.
Old 04-07-2015, 07:32 PM
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Car: 87 trans am
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Re: 87 trans am "extensions"

Right on so there is absolutely nothing aftermarket? Any other suggestions
Old 04-07-2015, 07:41 PM
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Re: 87 trans am "extensions"

You talking about the aero retainers?
Old 04-07-2015, 07:45 PM
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Re: 87 trans am "extensions"

The name gm gave me was air damper retainers
Old 04-07-2015, 07:48 PM
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Re: 87 trans am "extensions"

If there what I think they are,I had a couple of bad ones, (studs missing)had them reweld the studs back on.
Old 04-07-2015, 07:54 PM
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Re: 87 trans am "extensions"






Is this what you need?
Old 04-07-2015, 07:55 PM
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Re: 87 trans am "extensions"

Those are what im looking for
Old 04-07-2015, 07:58 PM
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Re: 87 trans am "extensions"

Originally Posted by mhatfield 14
Those are what im looking for
Do what I did!!if the flat metal is straight just have some studs welded on.
Old 04-07-2015, 08:15 PM
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Re: 87 trans am "extensions"

Easy to make them. I picked up a 3' length of 1" aluminum at the hardare store and cut it to the length needed. Then held it against the fender and checked the shape. I had to clamp it in my vice and give it a bit of a twist to sit nicely. Then marked the holes, drilled and tapped for M6 bolts and put some bolts through it with loctite. then it works just like the stock one, slip it on inside the fender and use nuts and washers behind the GFX.

Mine was on a Camaro, but it can't be that much different.
Old 04-07-2015, 09:02 PM
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Transmission: THM700R4
Axle/Gears: 277 Posi Speedo
Re: 87 trans am "extensions"

http://www.hawksthirdgenparts.com/fi...ver-side-only/
Here you go!!Hawks has them,one side,but it's a start.
Old 04-08-2015, 06:00 AM
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Car: 87 trans am
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Re: 87 trans am "extensions"

Thanks everyone for the suggestions
Old 04-08-2015, 02:54 PM
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Re: 87 trans am "extensions"

Built my own, can't remember the ga of steel I used, but I simply drilled holes in it in the proper location, put a bolt through each hole, tacked them in there and ground the heads off. Worked just great.
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