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What is this brace? Frame-to-strut tower cap?

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Old Aug 27, 2010 | 09:00 PM
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Car: 1986 Chevrolet Camaro IROC-Z28
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Axle/Gears: 10 bolt, 3.73 Eaton Limited-Slip
What is this brace? Frame-to-strut tower cap?

Hey guys,

I always thought this brace was for the AC brackets or something (my car came with AC system deleted) but this brace was all that was left.. It's impossible to remove without taking off the headers so i left it there.. Looking at this pic, and i've seen others around here, it looks as though this is an important brace connecting the frame to the strut tower cap or something!

My brace is connected to #1 in the pic, but it is NOT connected at point #2.. Should it be? There is no hole for it to go into... Odd..
Attached Thumbnails What is this brace? Frame-to-strut tower cap?-weird_brace.jpg  

Last edited by hellz_wings; Aug 27, 2010 at 09:00 PM. Reason: EDIT: This is not my car, i just found it for reference..
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Old Aug 27, 2010 | 09:02 PM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: What is this brace? Frame-to-strut tower cap?

One of a few underhood mystery braces that are on some cars in some years.
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Old Aug 27, 2010 | 09:10 PM
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From: Enschede, Netherlands
Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: What is this brace? Frame-to-strut tower cap?

impossible to remove without taking off the headers? it's held by 2 small bolts, undo them and it comes right off.

Hole 2 is here, it's threaded...the bolt simply screws in there. The brace is there on all my cars (IROCs and a Trans AM), don't think it's thereon base camaros and birds

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Old Aug 28, 2010 | 06:31 AM
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: What is this brace? Frame-to-strut tower cap?

For what it's worth:

Brace, Whl Hse Pnl reinf-RH (Z28), is listed 82-91 in my parts and illustration CD. Though the Z28 business is only listed 82-86, the part number is the same for all years, 14045394.

JamesC
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Old Aug 28, 2010 | 08:38 AM
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Car: 85 SC, 86 Berlinetta
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Re: What is this brace? Frame-to-strut tower cap?

Interesting, I've never seen it before but both of mine are SC's. Can anyone tell me if the connection points are reinforced and how, or is it simply bolted to the sheet metal?
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Old Aug 28, 2010 | 09:19 AM
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Re: What is this brace? Frame-to-strut tower cap?

only to 91?? my B4C 1LE 92 car has it...
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Old Aug 28, 2010 | 09:32 AM
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: What is this brace? Frame-to-strut tower cap?

Originally Posted by KiLLJ0Y
only to 91?? my B4C 1LE 92 car has it...
My CD only goes to 91.

JamesC
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Old Aug 28, 2010 | 11:34 AM
  #8  
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From: dundee oregon
Car: 88 z28
Engine: 350 jegs crate motor
Transmission: 700r4 b&m transpak and megashifter
Axle/Gears: stock posi 3.23 disk brokes
Re: What is this brace? Frame-to-strut tower cap?

my cars had it but removed it and nothing happens think the strut tower brace is enough
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Old Aug 31, 2010 | 02:30 PM
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From: Enschede, Netherlands
Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: What is this brace? Frame-to-strut tower cap?

Originally Posted by Scorpner
Interesting, I've never seen it before but both of mine are SC's. Can anyone tell me if the connection points are reinforced and how, or is it simply bolted to the sheet metal?
Simply drilled and bolted w/ a self tapping screw. Nothing fancy.
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Old Aug 31, 2010 | 02:52 PM
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Car: 1986 Chevrolet Camaro IROC-Z28
Engine: TPI 310ci (LB9)
Transmission: Custom Rebuilt 700R4 - 2600 Stall
Axle/Gears: 10 bolt, 3.73 Eaton Limited-Slip
Re: What is this brace? Frame-to-strut tower cap?

It doesn't make sense that mine is connected at the frame but not at the strut tower. There is no hole for it to be screwed in at the strut tower! Should I make one and attach it? Super weird.....
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Old Aug 31, 2010 | 02:54 PM
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From: Enschede, Netherlands
Car: 82 TA 87 IZ L98 88 IZ LB9 88 IZ L98
Engine: 5.7TBI 5,7TPI 5.0TPI, 5,7TPI
Transmission: T5, 700R4, T5, 700R4
Axle/Gears: 3.08, 3.27, 3.45, 3.27
Re: What is this brace? Frame-to-strut tower cap?

Yeah weird, just drill a hole and use a self tapper.
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Old Aug 31, 2010 | 10:01 PM
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Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: What is this brace? Frame-to-strut tower cap?

I have a '91 GTA now, and used to have an '88 Formula. I don't recall ever seeing it on either one of my cars.
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Old Aug 31, 2010 | 11:01 PM
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Car: 85 SC, 86 Berlinetta
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Re: What is this brace? Frame-to-strut tower cap?

Originally Posted by Twin_Turbo
Simply drilled and bolted w/ a self tapping screw. Nothing fancy.
Thank you.
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Old Aug 31, 2010 | 11:29 PM
  #14  
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Re: What is this brace? Frame-to-strut tower cap?

I wonder if that's a piece needed in the assembly process? Can't imagine that little thing would be of any real use.
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Old Sep 1, 2010 | 09:02 AM
  #15  
hellz_wings's Avatar
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From: Montreal, Canada
Car: 1986 Chevrolet Camaro IROC-Z28
Engine: TPI 310ci (LB9)
Transmission: Custom Rebuilt 700R4 - 2600 Stall
Axle/Gears: 10 bolt, 3.73 Eaton Limited-Slip
Re: What is this brace? Frame-to-strut tower cap?

i might as well attach it.. But it probly does nothing!
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Old Sep 1, 2010 | 09:15 AM
  #16  
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: What is this brace? Frame-to-strut tower cap?

Originally Posted by hellz_wings
i might as well attach it.. But it probly does nothing!
GM's cheap, so if the piece is worthless, I doubt that they'd have spent the money, but who knows.... Oh, and whether it means anything or not, there is a second brace on the pass side: BRACE, Fdr to Upr Cowl, p/n 14074745. The latter part, if you're unfamiliar, can be seen in pic in my vbGarage.

JamesC

Last edited by JamesC; Sep 2, 2010 at 06:46 AM.
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Old Sep 1, 2010 | 10:36 AM
  #17  
hellz_wings's Avatar
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From: Montreal, Canada
Car: 1986 Chevrolet Camaro IROC-Z28
Engine: TPI 310ci (LB9)
Transmission: Custom Rebuilt 700R4 - 2600 Stall
Axle/Gears: 10 bolt, 3.73 Eaton Limited-Slip
Re: What is this brace? Frame-to-strut tower cap?

Yep that one is there and intact! (the fender to cowl piece). That makes sense tho... Maybe GM forgot to drill it into the strut tower cap lmao...
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Old Sep 1, 2010 | 09:09 PM
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From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: What is this brace? Frame-to-strut tower cap?

Originally Posted by JamesC
...there is asecond brace on the pass side: BRACE, Fdr to Upr Cowl, p/n 14074745.
I'd never seen one of those before, until a few weeks ago. There was one on eBay. Don't remember how much it sold for (or if it did). Does it actually make any difference, especially with the 3-point STB you have?

Eldon
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Old Sep 2, 2010 | 07:20 AM
  #19  
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From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: What is this brace? Frame-to-strut tower cap?

Originally Posted by blacksunshine'91
I'd never seen one of those before, until a few weeks ago. There was one on eBay. Don't remember how much it sold for (or if it did). Does it actually make any difference, especially with the 3-point STB you have?

Eldon
Probably not, but at this point (STB, SFC's, Spohn strut mounts, steering box brace), saying either way would be difficult. Couldn't hurt. Should be a dime a dozen at the wrecking yards.

JamesC
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Old Jul 2, 2012 | 12:54 PM
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Re: What is this brace? Frame-to-strut tower cap?

Would anybody kno if the Strut Tower Brace, Edelbrock 87-92 Camaro/Firebird V8 w/ TPI Or TBI off of Hawks would fit an 86 bird with stock e4me
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Old Jul 4, 2012 | 06:19 AM
  #21  
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Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: What is this brace? Frame-to-strut tower cap?

Originally Posted by 86lg4qjetBird
Would anybody kno if the Strut Tower Brace, Edelbrock 87-92 Camaro/Firebird V8 w/ TPI Or TBI off of Hawks would fit an 86 bird with stock e4me
The Edelbrock STB (5227) won't fit carbed/TBI cars with the AC compressor on the driver's side because a brace interferes.

JamesC
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