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Help needed decoding RPO

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Old Mar 8, 2026 | 04:10 PM
  #1  
piasek_'s Avatar
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From: Poland, Nowy Sącz
Car: Pontiac Firebird
Transmission: 4LSlippy
Axle/Gears: 2.73/4
Help needed decoding RPO

Hello, i just picked up my first third gen - 1987 Firebird. It seems to have a lot of options but i can't find any good rpo code decoders, so i will be very thankful if anyone can help me decode them and mabye tell me if its "unique" in some way. Thanks in advance


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Old Mar 8, 2026 | 04:54 PM
  #2  
CamaroZ_85's Avatar
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From: Central NJ
Re: Help needed decoding RPO

Check out these:

https://austinthirdgen.org/
https://www.gtasourcepage.com/
https://www.3rdgenformula.com/main_menu.htm
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Old Mar 8, 2026 | 05:43 PM
  #3  
piasek_'s Avatar
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From: Poland, Nowy Sącz
Car: Pontiac Firebird
Transmission: 4LSlippy
Axle/Gears: 2.73/4
Re: Help needed decoding RPO

Thank you very much!
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Old Mar 8, 2026 | 05:46 PM
  #4  
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From: Franklin, KY near Beech Bend Raceway, Corvette Plant and Museum.
Car: 1992 Pontiac Firebird
Engine: 5.0L L03 TBI
Transmission: 700R4
Axle/Gears: 2.73
Re: Help needed decoding RPO



Everything you need is at the link below.

1987 TRANS AM / GTA RPO/UPC PRODUCTION TOTALS
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Old Mar 9, 2026 | 12:33 PM
  #5  
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Car: 1986 IROC Z
Engine: 5.0 TPI
Transmission: 700R4
Axle/Gears: 3.23 Posi
Re: Help needed decoding RPO

Originally Posted by piasek_
That's an interesting photo; any backstory you'd care to share?

Welcome to 3rdgen.



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Old Mar 9, 2026 | 03:24 PM
  #6  
piasek_'s Avatar
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From: Poland, Nowy Sącz
Car: Pontiac Firebird
Transmission: 4LSlippy
Axle/Gears: 2.73/4
Re: Help needed decoding RPO

Originally Posted by ironwill
That's an interesting photo; any backstory you'd care to share?

Welcome to 3rdgen.
I drove the car with my dad around 1400kilometers from Sweden to bring it to Poland, and we just made a quick stop at the Koenisegg dealer to take a look
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Old Mar 10, 2026 | 07:52 AM
  #7  
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Car: 1986 IROC Z
Engine: 5.0 TPI
Transmission: 700R4
Axle/Gears: 3.23 Posi
Re: Help needed decoding RPO

Originally Posted by piasek_
I drove the car with my dad around 1400kilometers from Sweden to bring it to Poland, and we just made a quick stop at the Koenisegg dealer to take a look
Thnx for the reply. Those high-$$$ cars they build are from another planet.


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