How to find correct wheel style?
Thread Starter
Joined: Jul 2009
Posts: 50
Likes: 3
From: PA
Car: 1986 Trans-Am
Engine: 305 4BBL
Transmission: THM 700 R4
Axle/Gears: 2.73 Stock
How to find correct wheel style?
So, I've run into a bit of a problem.
I just checked my car, and a previous owner has switched wheels. I have an '86 TA, not the WS6. The car is suppose to have the 15x7 wheels on it, but after checking around, there are apparently 2 different styles.
Apparently there's the slanted style and the diamond spoke style for this year car. I went through the RPO codes, and I got the wheel size and the color, nothing about style.
It currently has the GTA style wheels on it, and I like them and the car looks much nicer. However, I'm planning on restoring the car and showing it so I would like it to match the codes.
Anyone know of a way to determine which style wheel is suppose to be on the car?
I just checked my car, and a previous owner has switched wheels. I have an '86 TA, not the WS6. The car is suppose to have the 15x7 wheels on it, but after checking around, there are apparently 2 different styles.
Apparently there's the slanted style and the diamond spoke style for this year car. I went through the RPO codes, and I got the wheel size and the color, nothing about style.
It currently has the GTA style wheels on it, and I like them and the car looks much nicer. However, I'm planning on restoring the car and showing it so I would like it to match the codes.
Anyone know of a way to determine which style wheel is suppose to be on the car?
Senior Member


Joined: Aug 2003
Posts: 944
Likes: 13
From: Crest Hill, IL
Car: 1989 GTA Trans sold :(
Engine: 350 TPI L98 (B2L)
Transmission: TH700 R-4
Axle/Gears: 3.27
Re: How to find correct wheel style?
i think ur best bet would be if there's anyway of knowing what your car got, is to get or have the original window sticker...if you can't get that then you can have your's reproduced from PHS (pontiac historic society)...however in order to get your window sticker you must first order a dealer invoice, with that in hand then you have to send a copy of your invoice to PHS for proof and then you can order your window sticker. Otherwise it may become difficult what your car is equipped, unless u can find your build sheet....
Joined: Dec 2004
Posts: 1,132
Likes: 24
From: Midwest
Car: '82 Recaro T/A, '71 Trans Am
Engine: 305CFI/455HO
Transmission: TH700R4/M22
Axle/Gears: 3.23/3.42
Re: How to find correct wheel style?
The wheel style will be on the SPID label in the center console glove compartment. The Hi-Tech Turbo 15x7 rims were RPO N24 in '86. I'll have to look up the RPO for the 15x7 diamond spoke rims.
Re: How to find correct wheel style?
It took me some searching to find this, as I knew it was somewhere:
http://www.gmtips.com/3rd-degree/dox...ls/86f/86f.htm
Should answer your question.
http://www.gmtips.com/3rd-degree/dox...ls/86f/86f.htm
Should answer your question.
Thread Starter
Joined: Jul 2009
Posts: 50
Likes: 3
From: PA
Car: 1986 Trans-Am
Engine: 305 4BBL
Transmission: THM 700 R4
Axle/Gears: 2.73 Stock
Re: How to find correct wheel style?
That's exactly all the information I needed! Love this site!
I have RPO code N24, now it's off to the auto graveyard to check the 2 f-bodies that are there. See what they have.
In regards to the PHS, what all information can they get? I have a second trans am that unfortunately I have to sell because I have no where to store it, and I don't want the car to rust apart since the body is pretty much rust free. Only blemishes are a few dings.
Anyway, I believe the car is a WS6, but someone either replaced the center console at one point, or ripped out the options sticker in the center console. I'd love to be able to get that sticker back so I knew what the car really was, and so someone would be able to restore that care since it really wouldn't need much if you aren't worried about having the original motor.
Thanks again for all the info!
I have RPO code N24, now it's off to the auto graveyard to check the 2 f-bodies that are there. See what they have.
In regards to the PHS, what all information can they get? I have a second trans am that unfortunately I have to sell because I have no where to store it, and I don't want the car to rust apart since the body is pretty much rust free. Only blemishes are a few dings.
Anyway, I believe the car is a WS6, but someone either replaced the center console at one point, or ripped out the options sticker in the center console. I'd love to be able to get that sticker back so I knew what the car really was, and so someone would be able to restore that care since it really wouldn't need much if you aren't worried about having the original motor.
Thanks again for all the info!
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
Re: How to find correct wheel style?
JT,
Technically that page on 1986 is not correct. I know of a T-top, LB9, A/C, WS6 Trans Am that got the 16x8 N96 wheels. It is an early 1986 as it has the 140 speedo without the Km/h listed, only Mph. So it may be a mid year change.
Technically that page on 1986 is not correct. I know of a T-top, LB9, A/C, WS6 Trans Am that got the 16x8 N96 wheels. It is an early 1986 as it has the 140 speedo without the Km/h listed, only Mph. So it may be a mid year change.
Thread Starter
Joined: Jul 2009
Posts: 50
Likes: 3
From: PA
Car: 1986 Trans-Am
Engine: 305 4BBL
Transmission: THM 700 R4
Axle/Gears: 2.73 Stock
Re: How to find correct wheel style?
My other TA, the one that I need to sell due to no storage location, is also an '86.
It's got T-Top, A/C, and I'm assuming the WS6 (the option code sticker was taken out of the center console) has the N96 wheels on it in gold (car is black primary with gold along bottom).
At this point, I'm only guessing it's a WS6 because the tire size sticker in the door jamb has the 245/50R16 (I think that's correct, but I know it's 16 inch with the wide tires), vs. the 215/65R16 that my white TA has. It also has the 4 wheel disc brake option on it as well.
But it only has the 80 MPH speedo, and was engine code H, so not the higher power engine. However, that 305 was pulled and a 350 was dropped in (all be it, not a very clean engine swap in my honest opinion, I probably would have taken a bit more time with it myself).
It's got T-Top, A/C, and I'm assuming the WS6 (the option code sticker was taken out of the center console) has the N96 wheels on it in gold (car is black primary with gold along bottom).
At this point, I'm only guessing it's a WS6 because the tire size sticker in the door jamb has the 245/50R16 (I think that's correct, but I know it's 16 inch with the wide tires), vs. the 215/65R16 that my white TA has. It also has the 4 wheel disc brake option on it as well.
But it only has the 80 MPH speedo, and was engine code H, so not the higher power engine. However, that 305 was pulled and a 350 was dropped in (all be it, not a very clean engine swap in my honest opinion, I probably would have taken a bit more time with it myself).
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Re: How to find correct wheel style?
John, I'm not sure of the accuracy, as far as applications. My main point of posting the link was to match RPOs with pictures as the poster wanted that information. If it's inaccurate, it would be good to fix it and to expand on it. I don't know of any other similar information.
The link is not my webpage but is from another ThirdGen member that dates back some time ago.
The link is not my webpage but is from another ThirdGen member that dates back some time ago.
Thread Starter
Joined: Jul 2009
Posts: 50
Likes: 3
From: PA
Car: 1986 Trans-Am
Engine: 305 4BBL
Transmission: THM 700 R4
Axle/Gears: 2.73 Stock
Re: How to find correct wheel style?
I need to find out what wheel code Slick71ss' car has. The picture of his car is in the '86 gallery. I think those are the wheels I need.
I wonder if he's around somewhere. Hmmmm...
I wonder if he's around somewhere. Hmmmm...
Banned
iTrader: (12)
Joined: Jul 1999
Posts: 12,212
Likes: 13
From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: How to find correct wheel style?
The ability for PHS to get info older than 89 (iirc) is very limited.
I was gonna get one for my 87 GTA, but couldn't.
I was gonna get one for my 87 GTA, but couldn't.
Joined: Dec 2004
Posts: 1,132
Likes: 24
From: Midwest
Car: '82 Recaro T/A, '71 Trans Am
Engine: 305CFI/455HO
Transmission: TH700R4/M22
Axle/Gears: 3.23/3.42
Re: How to find correct wheel style?
Pontiac Historical Services has only documents for 1986 and older Pontiacs. Pontiac Motor Division is still in possession of information on 1987 and newer Pontiacs.
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iTrader: (12)
Joined: Jul 1999
Posts: 12,212
Likes: 13
From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: How to find correct wheel style?
Supreme Member
Joined: May 2001
Posts: 1,705
Likes: 3
From: Washington
Car: Recaro Option T/A
Engine: 305 Tuned Port Injection
Transmission: Automatic
Axle/Gears: 3:27 Borg Warner
Re: How to find correct wheel style?
A/C and T-Tops would not force the PW7's if Im reading that doc correctly.
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