Strut tower brace for a TPI Firebird?
Thread Starter
Joined: Nov 1999
Posts: 1,790
Likes: 22
From: Monroe,NC
Car: 90 Formula
Engine: 305
Transmission: 700R4
Axle/Gears: 9 bolt/3.27
Strut tower brace for a TPI Firebird?
Anyone know of an available strut tower brace that will definitely fit and clear the hood on a TPI Firebird? I've tried the Edelbrock piece with no luck and from what I can find the BMR isn't much better. I'm about to the point of designing my own but wanted to take one last stab at finding a production piece.
Thread Starter
Joined: Nov 1999
Posts: 1,790
Likes: 22
From: Monroe,NC
Car: 90 Formula
Engine: 305
Transmission: 700R4
Axle/Gears: 9 bolt/3.27
I went as far as removing the hood liner and that didn't help. The Edelbrock brace just about requires metal trimming and I'd like to avoid that. Their 3 point TBI brace had no clearance issues at all but I had the 3 point TPI brace sitting on top of the TPI and the hood still would not close. I've heard that Hotchkis has stopped producing their 3rd gen brace. BMR was my next choice but I've read that they're just about as bad on a bird.
Supreme Member
Joined: Jan 2001
Posts: 1,609
Likes: 0
From: www.thirdgentech.com
Car: 2004 GTO
Engine: LS1
Transmission: T-56
You don't need a 3 point STB. I am sure you can find a Hotchkis STB somewhere for sale.
Unless you installed some tall motor mounts, the Hotchkis will work.
Unless you installed some tall motor mounts, the Hotchkis will work.
Supreme Member
Joined: Jan 2001
Posts: 1,609
Likes: 0
From: www.thirdgentech.com
Car: 2004 GTO
Engine: LS1
Transmission: T-56
A three point is not good because the firewall is not a load bearing structure. You can actually bend the firewall and crack the windshield if it twists just enough.
I do not know of any 3pts that will fit correctly on a TPI 'Bird though.
I do not know of any 3pts that will fit correctly on a TPI 'Bird though.
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Thread Starter
Joined: Nov 1999
Posts: 1,790
Likes: 22
From: Monroe,NC
Car: 90 Formula
Engine: 305
Transmission: 700R4
Axle/Gears: 9 bolt/3.27
I got the Edelbrock to fit yesterday. Apparently too much time off during the holidays can get the mind working. I had already removed the old hood liner since it was looking worn and after a couple hours of fitting, testing and many times raising and closing the hood it finally cleared. Wound up elongating one hole in each of the smaller braces and trimming a 1/2" by 2" long strip off the hood brace on the passenger side just above the STB and it worked. I just don't see the issue about a 3 point causing the windshield to crack. The area at the cowl is pretty solid and the amount of flex it would take to cause this would be enourmous. I can see it happening to a 4th gen as the cowl extends over the rear of the engine and it would take considerably less twist to crack the windshield. Has this happened to anyone here before?
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iTrader: (1)
Joined: Apr 2005
Posts: 1,165
Likes: 1
From: Valdosta, GA
Car: 1991 Trans Am GTA
Engine: L98(5.7 L TPI)
Transmission: 700r4(A4)
Axle/Gears: G80 RPO, 3:23s, Auburn Racer's Diff
On my car, the 3 point BMR fits, but does touch the hood linder. My problem was the "3rd point." The brackets bmr supplied did not reach my firewall, so my shop had to fab an extender plate. Maybe they're just trying to save a buck
Joined: Sep 2002
Posts: 3,685
Likes: 10
From: PA
Car: 86 Trans AM
Engine: LS1 (not stock...)
Transmission: Built T56
Axle/Gears: Strange 12-bolt w/ 3.73
Im looking for the Hotchkis strut tower brace as well.... Cant seem to find one anywhere. Site doesnt havent. Someone told me they got one from JEGs..but didnt get back to me with a part number yet. I dont like the way the BMR looks. With that welded in piece that says BMR... Ide rather have it be all one piece. The Hotchkis one is simple, and seems to flow well with the car and the engine bay.
If anyone has a line on where to get these things please...do tell!!
Justin
P.S....does anyone know if the Hotchkis bar for the 93-97s will work? Or are they too short? They look like they might work with alittle tweaking...
If anyone has a line on where to get these things please...do tell!!
Justin
P.S....does anyone know if the Hotchkis bar for the 93-97s will work? Or are they too short? They look like they might work with alittle tweaking...
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iTrader: (1)
Joined: Apr 2005
Posts: 1,165
Likes: 1
From: Valdosta, GA
Car: 1991 Trans Am GTA
Engine: L98(5.7 L TPI)
Transmission: 700r4(A4)
Axle/Gears: G80 RPO, 3:23s, Auburn Racer's Diff
Hotckis still sells a special edition (or something like that) of the bar if you call and order. However, they admittedly stopped making them.
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