Suspension and Chassis Questions about your suspension? Need chassis advice?

Mechanic f-ing me over? HELP!!

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Old Nov 6, 2008 | 11:18 AM
  #101  
Norm Peterson's Avatar
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From: state of confusion
Car: '08 Mustang GT
Engine: 4.6L
Transmission: º º 0 . . . |-|-|
Axle/Gears: 8.8", 3.55
Re: Mechanic f-ing me over? HELP!!

Given your experience with that particular shop/individual, it's not outside the realm of possibility that the PHB brace was removed but never re-installed. The car can be physically driven without it, although not nearly as safely as with it.


Norm
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Old Nov 10, 2008 | 07:19 AM
  #102  
thirdgenfcarnut's Avatar
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Car: 1992 Camaro RS
Engine: 3.1
Transmission: 4L60
Axle/Gears: stock 3.23
Re: Mechanic f-ing me over? HELP!!

Just wondering... The throughbolt on the pass. side has corroded a bit. The bar is banging around over every bump but the bolt is seized up so I cannot get it out. Guess I will have to shear it off and replace the bar and bolt. Its a mazing such a chinsey piece of metal is so important. So many aftermarket upgrades for the bar, but not the brace...
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Old Nov 10, 2008 | 09:39 AM
  #103  
Norm Peterson's Avatar
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From: state of confusion
Car: '08 Mustang GT
Engine: 4.6L
Transmission: º º 0 . . . |-|-|
Axle/Gears: 8.8", 3.55
Re: Mechanic f-ing me over? HELP!!

The brace has a really simple job to do, and at least as far as driving on street tires goes it is plenty strong enough. That assumes that you don't slide the passenger side wheel sideways into a curb, and you'd have much bigger problems than a bent brace then anyway.

People tend to look at the PHB brace and think of its strength in terms of how easily it could be bent. That is not a realistic way to look at this piece, since the brace is loaded mostly in either tension or compression. Not in bending, or torsion (twisting). As long as it doesn't buckle, or have cracks or bends/kinks in it, it's strong enough.

There are cars for which aftermarket PHB braces are available (S197 Mustangs probably being the most common). Other than helping to empty your wallet, they don't do anything bad. But for the majority of folks they provide no benefit either. Exceptions might be the replacement of one found to be damaged, or possibly in a wheel to wheel road-race car.


Norm
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Old Nov 10, 2008 | 10:43 AM
  #104  
Codename 47's Avatar
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Car: 1986 Camaro Z28
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Re: Mechanic f-ing me over? HELP!!

Originally Posted by Norm Peterson
That is not a realistic way to look at this piece, since the brace is loaded mostly in either tension or compression. Not in bending, or torsion (twisting). As long as it doesn't buckle, or have cracks or bends/kinks in it, it's strong enough.
I knew you were an engineer after I read that.
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Old Nov 17, 2008 | 08:19 AM
  #105  
thirdgenfcarnut's Avatar
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From: New Jersey
Car: 1992 Camaro RS
Engine: 3.1
Transmission: 4L60
Axle/Gears: stock 3.23
Re: Mechanic f-ing me over? HELP!!

Originally Posted by Norm Peterson
The brace has a really simple job to do, and at least as far as driving on street tires goes it is plenty strong enough. That assumes that you don't slide the passenger side wheel sideways into a curb, and you'd have much bigger problems than a bent brace then anyway.

People tend to look at the PHB brace and think of its strength in terms of how easily it could be bent. That is not a realistic way to look at this piece, since the brace is loaded mostly in either tension or compression. Not in bending, or torsion (twisting). As long as it doesn't buckle, or have cracks or bends/kinks in it, it's strong enough.

There are cars for which aftermarket PHB braces are available (S197 Mustangs probably being the most common). Other than helping to empty your wallet, they don't do anything bad. But for the majority of folks they provide no benefit either. Exceptions might be the replacement of one found to be damaged, or possibly in a wheel to wheel road-race car.


Norm
Cool, thankyou for the education Norm. Now I understand its purpose and importance, the track bar brace is next on my list to fix. Besides, the clunking over every other bump is driving me nuts
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Old Nov 18, 2008 | 10:18 AM
  #106  
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Car: 1985 Camaro/89 Merkur XR4Ti
Engine: 5.0 305 LG4/2.3 Turbo (180hp/205tq)
Transmission: TH700R4 with Shift Improver Kit/T-9
Axle/Gears: 3.42LT1 Rear/3.64
Re: Mechanic f-ing me over? HELP!!

Have you made sure all the bushings are good back there? I had the same problem, bushings were worn out, replaced em with poly.
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Old Nov 18, 2008 | 02:24 PM
  #107  
thirdgenfcarnut's Avatar
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From: New Jersey
Car: 1992 Camaro RS
Engine: 3.1
Transmission: 4L60
Axle/Gears: stock 3.23
Re: Mechanic f-ing me over? HELP!!

Originally Posted by Camaro5690
Have you made sure all the bushings are good back there? I had the same problem, bushings were worn out, replaced em with poly.
When I first got the car the track bar bushing on the pass side was shot. First bushings I replaced. No, this is the track bar brace... Kinda figured that out when I grabbed it and and moved it around. Nothing else back there is loose. Thanks for the input though.
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