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please help identify what i just bought

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Old Dec 21, 2012 | 05:48 PM
  #1  
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From: Leicester,Ma.
Car: 1988 TA
Engine: TPI 350
Transmission: auto
Axle/Gears: 3.27's
please help identify what i just bought

so after doing a little bit of research over the past week i decided it would be a good idea to do an LS1 brake upgrade on an 88GTA.

i found a set on craigslist and went and picked them up tonight and after getting them home and inspecting them i noticed they dont look like ls1 calipers at all...

from the info i have so far they seem to be 1LE calipers and brackets and who knows what rotors

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Old Dec 21, 2012 | 05:51 PM
  #2  
9014josh's Avatar
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From: Leicester,Ma.
Car: 1988 TA
Engine: TPI 350
Transmission: auto
Axle/Gears: 3.27's
Re: please help identify what i just bought

caliper reads PBR part # 4281444, 4811693

Made in australia
K247-001C

Rotor measures 12" accross like an LS1 rotor would..
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Old Dec 21, 2012 | 05:56 PM
  #3  
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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: please help identify what i just bought

Corvette C4 JL9 calipers & rotors

Last edited by Twin_Turbo; Dec 21, 2012 at 06:09 PM.
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Old Dec 21, 2012 | 06:06 PM
  #4  
9014josh's Avatar
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From: Leicester,Ma.
Car: 1988 TA
Engine: TPI 350
Transmission: auto
Axle/Gears: 3.27's
Re: please help identify what i just bought

can i make these work on a thirdgen?
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Old Dec 21, 2012 | 06:09 PM
  #5  
Twin_Turbo's Avatar
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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: please help identify what i just bought

yes
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Old Dec 21, 2012 | 06:24 PM
  #6  
9014josh's Avatar
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From: Leicester,Ma.
Car: 1988 TA
Engine: TPI 350
Transmission: auto
Axle/Gears: 3.27's
Re: please help identify what i just bought

is it worth it? or should i try to sell them (or scrap them) and do LS1?

not getting much positive info on the C4 brakes.
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Old Dec 21, 2012 | 06:37 PM
  #7  
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25 Year Member
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Joined: Jun 2000
Posts: 5,364
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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: please help identify what i just bought

IMO, No. The J55 C4 brakes are pretty good, 13" rotors, 1.1 wide. Wider calipers. These...mwah...
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