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The Truth about Firebird Vins and RPO's

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  • #1

    The Truth about Firebird Vins and RPO's

    Over the past few years I've seen several posts regarding questions on Vin identification and RPO misinformation specific to the 4th Gen V8 Firebirds.
    First off the vin #'s are not model specific. This is why your DMV registration and or Insurance info may say Formula/Trans Am.
    Basically the Vin# does not distinguish between Formula and Trans Am it Identifies a V8 Firebird.
    The RPO codes are the only way to properly identify the model.
    W66 is the Formula Merchandise Pkg
    Y82 is the Trans Am Merchandise Pkg
    Also the WS9 RPO is refered to as the "Formula Conversion Pkg".
    This does not mean that the car is or ever was a Formula. It means the Car is V8 Equipped. The aforementioned W66 and Y82 RPO Codes must be present to identify the model. So all V8 Firebirds will carry the WS9 RPO

    WS9 + W66 = Formula
    WS9 + Y82 = Trans Am
    Craig
    Semi Retired Street Racer
    2012 Lava Red Mustang GT 5.0 MT82
    GONE BUT NOT FORGOTEN
    sigpic
    NBM `98 Formula M6 HdTp
    1 of 1 Build Date 3/12/98

    "Political correctness is a doctrine, fostered by a delusional, illogical, liberal minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

    "For you who believe all you read, I caution you - you are daily being brainwashed for profit by extremely effective psychology with very little regard to factual accuracy. In short, you're at the mercy of the world's greatest bullshit artists with the morals of a stray tomcat."
    - Smokey Yunick
    Tags: 82-92, for sale
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  • #2
    Thanks for the clarification! I noticed that there were a couple of RPO codes when I ran them all on my Formula. Good information to have!
    Nick H.
    Current MIFC Vice President

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    • #3
      Sticky material!
      - Brian Meissen
      Owner, MiFBody.com
      Administrator, LTxTech.com


      1994 Camaro LT1 Transplant - 357ci LT1, cammed, stalled, and driven.
      2022 Camaro LT1 - "Cherry Bomb 2"
      Michigan FBody Meet & Greet Car Show 2022
      June 4th, 2022 - 9am to 3pm!!!
      The HUB Stadium, Auburn Hills, MI

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      • #4
        Awesome Craig. Thanks for bringing this information to our attention! Very important!
        Gone but not forgotten: 1986 Chevrolet Camaro IROC-Z

        "You shall ride eternal. Shiny and chrome."

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        • #5
          very cool
          West Michigan Firebird Club

          www.wmfirebird.com

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          • #6
            my vin says v6 firebird but my motor says vroom vroom. lol
            my vin dosnt mean much anymore on my car
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            • #7
              I believe Y82 is still formula . . . Y84 is TA
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              Check out my 'bird: http://www.mifbody.com/vbulletin/sho...256#post325256

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              • #8
                Originally posted by Will View Post
                I believe Y82 is still formula . . . Y84 is TA
                The W66 code has been the Formula RPO since 1970 and before that was the Firebird 400 RPO
                The Original RPO for the Trans Am was WS4
                Y81 Y82 Y84 are RPO's specific to the original Special Edition Pkg
                Y81 SE Trans Am
                Y82 SE Trans Am w/Hurst T-Tops
                Y84 SE Trans Am
                Y88 SE Trans Am Gold Edition
                The WS4 code was changed somewhere during the 3rd Gen run `82-92 if it was something other then Y82 I'm not sure. I know the the 4th Gen T/A code is Y82.

                Hers my build sheet with the RPO list at the bottom you can clearly see the WS9 and W66 codes.


                Other codes of interest,
                LS1 = 5.7 litre EFI engine
                MN6 = 6spd manual transmission
                G80 = Limited slip differential
                GU6 = rear axle ratio 3.42
                W55 = CD w/10 speaker Monsoon
                QLC = Goodyear eagle GSC Performance tires
                R7X = Security System w/Keyless entry
                Last edited by 9T8W66; December 30th, 2008, 06:30 PM.
                Craig
                Semi Retired Street Racer
                2012 Lava Red Mustang GT 5.0 MT82
                GONE BUT NOT FORGOTEN
                sigpic
                NBM `98 Formula M6 HdTp
                1 of 1 Build Date 3/12/98

                "Political correctness is a doctrine, fostered by a delusional, illogical, liberal minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

                "For you who believe all you read, I caution you - you are daily being brainwashed for profit by extremely effective psychology with very little regard to factual accuracy. In short, you're at the mercy of the world's greatest bullshit artists with the morals of a stray tomcat."
                - Smokey Yunick

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                • #9
                  http://www.marshu.com/ws6-firebird-c...codes-2000.php
                  http://www.firebirdnation.com/search_tools/search.php

                  I can find more if you want, but Y84 is TA
                  sigpic
                  Check out my 'bird: http://www.mifbody.com/vbulletin/sho...256#post325256

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                  • #10
                    same thing happens with camaro v6 cars, it lists v6 cars as camaro/RS so everyone who is stupid enough thinks they have an RS car when they don't. I see camaro's for sale all the time as RS cars because of this and I always get pissed, lol
                    ------------------------------------------
                    2004 GMC Envoy - Tuned, Airraid Intake, rest stock
                    2005 Malibu - Stock, anyone have a ecotec factory gm supercharger for me? lol

                    5th gen Camaro V6 Forums
                    http://www.bowtiev6.com

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                    • #11
                      Originally posted by Will View Post
                      http://www.marshu.com/ws6-firebird-c...codes-2000.php
                      http://www.firebirdnation.com/search_tools/search.php

                      I can find more if you want, but Y84 is TA
                      The Problem with list like those (and I've seen several) is that alot of the codes are redundant, They go and list all the codes available when only a certain percentage of them are correct for a given Generation.
                      I suggest you go look at it again it says Y84 is Trans Am GTA. A car that only ran for 5 yrs `87-92. Also remember we are talking about 4th Gen Cars only.

                      Also Look in the glove box of your car for the RPO sticker. 4th Gens `93 thru early `97 have the sticker in the glove box. Late `97 thru `02 have the sticker on the inside edge of the drivers door.
                      Go check the sticker and verify the RPO's listed against what I have stated. I'm pretty sure you'll find WS9 and Y82. If you find something other than that take a pic and post it up I would like to see it. Cause if I'm wrong I'll admit it and we can put that info up to better help our fellow F-body owners.
                      Craig
                      Semi Retired Street Racer
                      2012 Lava Red Mustang GT 5.0 MT82
                      GONE BUT NOT FORGOTEN
                      sigpic
                      NBM `98 Formula M6 HdTp
                      1 of 1 Build Date 3/12/98

                      "Political correctness is a doctrine, fostered by a delusional, illogical, liberal minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

                      "For you who believe all you read, I caution you - you are daily being brainwashed for profit by extremely effective psychology with very little regard to factual accuracy. In short, you're at the mercy of the world's greatest bullshit artists with the morals of a stray tomcat."
                      - Smokey Yunick

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                      • #12
                        From the way I understand it the 5th digit on a 4th gen Firebird vin is either a S or V. The S is all regular Firebirds, the V is for all Formula's and TA's.
                        West Michigan Pontiac Club



                        "A Camaro looks like it can kick your a**, a Trans Am is coming over to do it"

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                        • #13
                          Originally posted by 9T8W66 View Post
                          The Problem with list like those (and I've seen several) is that alot of the codes are redundant, They go and list all the codes available when only a certain percentage of them are correct for a given Generation.
                          I suggest you go look at it again it says Y84 is Trans Am GTA. A car that only ran for 5 yrs `87-92. Also remember we are talking about 4th Gen Cars only.

                          Also Look in the glove box of your car for the RPO sticker. 4th Gens `93 thru early `97 have the sticker in the glove box. Late `97 thru `02 have the sticker on the inside edge of the drivers door.
                          Go check the sticker and verify the RPO's listed against what I have stated. I'm pretty sure you'll find WS9 and Y82. If you find something other than that take a pic and post it up I would like to see it. Cause if I'm wrong I'll admit it and we can put that info up to better help our fellow F-body owners.
                          Here ya go:
                          sigpic
                          Check out my 'bird: http://www.mifbody.com/vbulletin/sho...256#post325256

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                          • #14
                            I stand corrected
                            That is quite interesting, now the question is what year did they change it. I do know that the LS1 cars are Y82 so maybe `98 was the change over year. I guess we need a couple people with `97 T/A's to find out.

                            BTW thanks for the info.
                            Craig
                            Semi Retired Street Racer
                            2012 Lava Red Mustang GT 5.0 MT82
                            GONE BUT NOT FORGOTEN
                            sigpic
                            NBM `98 Formula M6 HdTp
                            1 of 1 Build Date 3/12/98

                            "Political correctness is a doctrine, fostered by a delusional, illogical, liberal minority, and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a turd by the clean end."

                            "For you who believe all you read, I caution you - you are daily being brainwashed for profit by extremely effective psychology with very little regard to factual accuracy. In short, you're at the mercy of the world's greatest bullshit artists with the morals of a stray tomcat."
                            - Smokey Yunick

                            Comment

                            • #15
                              Just to interject a few things...

                              Y84 first came into play for "Bandit" cars in 1978 built out of Van Nuys, CA...Norwood cars were designated as Y82.

                              Starting 1979, Y84s were all S/E "Bandit" cars, and remained that way through 81.

                              After 1981, the Y84 became the "code du jour" for Trans Ams, but it was intended to represent the Recaro seat option through 85.

                              GM frequently re-used RPOs through the years, and the Y84 eventually ceased to have any significant meaning even though it was still used occasionally...but I'm not sure when it changed or what it was intended to represent after 85.
                              Originally posted by Redd8407
                              I WANT NOISE! SPEED! AN ENGINE THAT SHAKES MY INTERNAL ORGANS LIKE THEY GOT PARKINSON'S! I DONT WANT AN ENGINE THAT IS PARTIALLY POWERED BY MY LAPTOP BATTERY!
                              Originally posted by Z28ISGR8
                              WHY THE F*CK IS THERE A GOAT ON A FERRARI?
                              Originally posted by Darren
                              I think it is because I take it in and out all the time, the rubber has just stretched out, especially at the bottom where it is really thin. It annoys me more then anything.

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