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1988 GTA parking brake question

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Old Apr 8, 2023 | 06:09 PM
  #1  
Okaywhatever's Avatar
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From: Ontario, Canada
Car: 1988 TransAm GTA, 1983 firebird SE
Engine: 350,305
Transmission: 700r4x2
Axle/Gears: 327
1988 GTA parking brake question

I have a 1988 GTA WS6

when I bought it, it had no parking brake cables.

rock auto shows two parking brake listings for disc brakes. With and without performance brakes. I assume it has performance brakes, but would like a little insight
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Old Apr 8, 2023 | 09:00 PM
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Reddragon88gta's Avatar
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Car: 1988 Trans Am GTA and 1979 Trans Am
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: Borg Warner 9 bolt 3.27
Re: 1988 GTA parking brake question

Originally Posted by Okaywhatever
I have a 1988 GTA WS6

when I bought it, it had no parking brake cables.

rock auto shows two parking brake listings for disc brakes. With and without performance brakes. I assume it has performance brakes, but would like a little insight
It’s unlikely you have the performance brakes stock unless someone swapped over to them, it’s different than WS6 package which you have if it’s a GTA.

Easy way to find out is check your SPID in the center console glove box and look for J65 which is regular rear disc brakes. Another way is if the driver side rear caliper has a hard line going to the caliper or a soft rubber hose, if soft someone may have converted to performance brakes and not finished with the e brake.

Also the caliper will be cast iron for regular Delco morraine discs and aluminum for performance package. Check rock auto or another parts place for pics and compare if in doubt.
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Old Apr 8, 2023 | 09:12 PM
  #3  
Okaywhatever's Avatar
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From: Ontario, Canada
Car: 1988 TransAm GTA, 1983 firebird SE
Engine: 350,305
Transmission: 700r4x2
Axle/Gears: 327
Re: 1988 GTA parking brake question

Originally Posted by Reddragon88gta
It’s unlikely you have the performance brakes stock unless someone swapped over to them, it’s different than WS6 package which you have if it’s a GTA.

Easy way to find out is check your SPID in the center console glove box and look for J65 which is regular rear disc brakes. Another way is if the driver side rear caliper has a hard line going to the caliper or a soft rubber hose, if soft someone may have converted to performance brakes and not finished with the e brake.

Also the caliper will be cast iron for regular Delco morraine discs and aluminum for performance package. Check rock auto or another parts place for pics and compare if in doubt.

looks like someone swapped them over.



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Old Apr 8, 2023 | 10:48 PM
  #4  
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Re: 1988 GTA parking brake question

Delete.
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Old Apr 9, 2023 | 07:13 AM
  #5  
Reddragon88gta's Avatar
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Car: 1988 Trans Am GTA and 1979 Trans Am
Engine: 5.7 L98
Transmission: 700R4
Axle/Gears: Borg Warner 9 bolt 3.27
Re: 1988 GTA parking brake question

Originally Posted by Okaywhatever
looks like someone swapped them over.

Nice car BTW.

They did, those are the performance brakes so that’s a nice upgrade.

Check out big brake upgrade website or maybe flynby.com? Those guys may have the parts necessary to get your e brake functional.
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Old Apr 13, 2023 | 09:19 PM
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88 350 tpi formula's Avatar
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Re: 1988 GTA parking brake question

I doubt they were swapped unless you have an early 88.. late 88 got them
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Old Apr 13, 2023 | 09:35 PM
  #7  
Okaywhatever's Avatar
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From: Ontario, Canada
Car: 1988 TransAm GTA, 1983 firebird SE
Engine: 350,305
Transmission: 700r4x2
Axle/Gears: 327
Re: 1988 GTA parking brake question

Originally Posted by 88 350 tpi formula
I doubt they were swapped unless you have an early 88.. late 88 got them
ahh that makes sense. It’s a late 88….has chip
In key as well
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