Info / advice on 1991 Firebird formula gtx
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Joined: Sep 2018
Posts: 11
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From: Florida
Car: 1991 Firebird GTX
Engine: 305
Transmission: T5 manual
Axle/Gears: 308
Info / advice on 1991 Firebird formula gtx
Hello guys first post here, tomorrow I am picking up a 91 Firebird formula with a 305 tbi and a 5 speed manual with t-tops. It has the trans am body kit. When I was first looking at it I was confused by decals that said “GTX series” on the end of the midsection side skirts. It also has a bunch of pinstriping and it say Pontiac in cool font in numerous places. I thought the previous owner had just thrown them on until i saw a forum that it was a dealer installed option, any idea on the scarcity of those cars or the history?
Last edited by 91formulagtx; Sep 13, 2018 at 07:34 PM. Reason: Adding pics
Re: Info / advice on 1991 Firebird formula gtx
Smells like a sticker package. Sticker packages range from Billy Bob having his local sign shop cut some vinyl, to the stickers in the pin striping aisle at VatoZone, to a dealership, or a few dealerships in a region inventing a sticker package to upsell a base model, to GM inventing a sticker package for a "special edition" or "limited edition".
In 91 there were four Firebirds.
In 91 there were four Firebirds.
- The Firebird, with or without ground effects. V6 or TBI 305.
- Firebird Formula, no ground effects. TBI 305, TPI 305, TPI 350.
- Trans Am, ground effects. TPI 305, TPI 350.
- Trans Am GTA, ground effects. TPI 305, TPI 350.
Thread Starter
Junior Member
Joined: Sep 2018
Posts: 11
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From: Florida
Car: 1991 Firebird GTX
Engine: 305
Transmission: T5 manual
Axle/Gears: 308
Re: Info / advice on 1991 Firebird formula gtx
Smells like a sticker package. Sticker packages range from Billy Bob having his local sign shop cut some vinyl, to the stickers in the pin striping aisle at VatoZone, to a dealership, or a few dealerships in a region inventing a sticker package to upsell a base model, to GM inventing a sticker package for a "special edition" or "limited edition".
In 91 there were four Firebirds.
In 91 there were four Firebirds.
- The Firebird, with or without ground effects. V6 or TBI 305.
- Firebird Formula, no ground effects. TBI 305, TPI 305, TPI 350.
- Trans Am, ground effects. TPI 305, TPI 350.
- Trans Am GTA, ground effects. TPI 305, TPI 350.
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From: Birmingham, AL
Car: 1989 TPI Formula, 1984 MCSS
Re: Info / advice on 1991 Firebird formula gtx
Post the VIN and a couple of pics.
We’ll help you figure out what you have.
At least it’s a V8/T5 combo. That’s a win.
We’ll help you figure out what you have.
At least it’s a V8/T5 combo. That’s a win.
Thread Starter
Junior Member
Joined: Sep 2018
Posts: 11
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From: Florida
Car: 1991 Firebird GTX
Engine: 305
Transmission: T5 manual
Axle/Gears: 308
Re: Info / advice on 1991 Firebird formula gtx
in reality I was just looking for a manual and I wanted to put a bigger engine in and it needs a repaint, I was trying to figure out if I should repaint it original or just do what I want with no guilt. I will post pics when I pick up the car this afternoon
Joined: Oct 2001
Posts: 12,223
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: Info / advice on 1991 Firebird formula gtx
The base firebird and formula use the same VIN prefix, you need to check the RPO code decal in console or rear driver side locking compartment for W66 (formula) and WS6 (suspension)
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Junior Member
Joined: Sep 2018
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From: Florida
Car: 1991 Firebird GTX
Engine: 305
Transmission: T5 manual
Axle/Gears: 308
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Re: Info / advice on 1991 Firebird formula gtx
Go for it. It's either a base Firebird (extremely likely) or it's already been horqued. Either way it's a TBI car, nothing you do is going to hurt the value.
Joined: Sep 1999
Posts: 4,353
Likes: 308
From: NJ
Car: 92 Firebird
Engine: 4.8 LR4
Transmission: T56
Axle/Gears: 3.45 9 Bolt
Re: Info / advice on 1991 Firebird formula gtx
I hate when people think the car is a Formula off the VIN, I tell them it isn't in the VIN and they get angry with me. It's not my fault, lol
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Joined: May 2005
Posts: 2,220
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From: Atlanta
Car: '02 T/A WS6, '91 T/A, '91 Camaro RS
Engine: LS1, LB9, L03
Transmission: T56, 700R4, 700R4
Axle/Gears: 4.10 10 bolt, 2.73 10 bolts
Re: Info / advice on 1991 Firebird formula gtx
Uhh...did you run a Carfax? It has a branded salvage title from 1996. No info on whether it was an accident, flood, etc, just branded salvage. That may not be a deal breaker if the price is still right, but I would definitely pay probably 30-40% less for a car with a title like that.
At any rate, I didn't see WS6 when I ran it through compnine, so looks like a base Firebird with the W68 package.
At any rate, I didn't see WS6 when I ran it through compnine, so looks like a base Firebird with the W68 package.
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Junior Member
Joined: Sep 2018
Posts: 11
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From: Florida
Car: 1991 Firebird GTX
Engine: 305
Transmission: T5 manual
Axle/Gears: 308
Re: Info / advice on 1991 Firebird formula gtx
Uhh...did you run a Carfax? It has a branded salvage title from 1996. No info on whether it was an accident, flood, etc, just branded salvage. That may not be a deal breaker if the price is still right, but I would definitely pay probably 30-40% less for a car with a title like that.
At any rate, I didn't see WS6 when I ran it through compnine, so looks like a base Firebird with the W68 package.
At any rate, I didn't see WS6 when I ran it through compnine, so looks like a base Firebird with the W68 package.
Last edited by 91formulagtx; Sep 13, 2018 at 10:58 AM. Reason: Forgot
Supreme Member
Joined: May 2005
Posts: 2,220
Likes: 68
From: Atlanta
Car: '02 T/A WS6, '91 T/A, '91 Camaro RS
Engine: LS1, LB9, L03
Transmission: T56, 700R4, 700R4
Axle/Gears: 4.10 10 bolt, 2.73 10 bolts
Re: Info / advice on 1991 Firebird formula gtx
I am aware of the salvage it has a rebuilt title, I am getting the car for 400$ I’m not concerned I’m basically getting for it’s rust free body because it has spent its last 10 years in a garage and last 4 with the engine disassembled after he failed installing cams, I wanted a manual really bad and for that price I couldn’t resist especially Bc I just wanna put a big engine in it and the cam has stage 3 clutch and a few other upgrades.
Sounds like a good deal then...I also paid $400 for my '91 T/A, but Carfax didn't report mine as a total loss from 1991 until about 8 years after I bought it.
At least you know going in!
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Junior Member
Joined: Sep 2018
Posts: 11
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From: Florida
Car: 1991 Firebird GTX
Engine: 305
Transmission: T5 manual
Axle/Gears: 308
Re: Info / advice on 1991 Firebird formula gtx
and I didn’t run it through car fax I just didn’t feel like paying for it lol
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