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a little lost- rpo codes

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Old Jun 19, 2009 | 01:09 PM
  #1  
monkihead's Avatar
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Joined: Apr 2009
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From: San Antonio
Car: 1990 RS
Engine: 305 TBI
Transmission: T-5
Axle/Gears: 3.08
a little lost- rpo codes

I went and looked up all my rpo codes. two don't make sense.

n90- WHEEL, 15 X 7,ALUMINUM CAST,4.75 INCH BOLT CIRCLE
qph- Tires, P245/50R16 Blackwall

how did they ever get those tires to fit the rims???
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Old Jun 19, 2009 | 01:43 PM
  #2  
Klortho's Avatar
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Joined: May 2004
Posts: 2,924
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From: Kingston, Tn
Car: 1987 GTA
Engine: LT1
Transmission: T56
Axle/Gears: 9 bolt 3.70 posi
Re: a little lost- rpo codes

Sounds right to me

the spare is to clear the PBR brakes on the car, (if it's 4 wheel disc) and the car shows ti have the 16" wheels that were on the V8 RS and Z28
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Old Jun 19, 2009 | 01:46 PM
  #3  
iroc_zz's Avatar
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Joined: Jun 2007
Posts: 80
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From: MN
Car: 1985 IROC-Z
Engine: 305 H.O.
Transmission: 5 Speed
Axle/Gears: 7.5" 10 bolt, 4.10, torsen posi
Re: a little lost- rpo codes

This is what my info shows

N90 - 76-01 Wheel, 15x7 (cast aluminum)
QPH - 92-98 Tire , P215/65R15N
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Old Jun 19, 2009 | 04:11 PM
  #4  
monkihead's Avatar
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Joined: Apr 2009
Posts: 162
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From: San Antonio
Car: 1990 RS
Engine: 305 TBI
Transmission: T-5
Axle/Gears: 3.08
Re: a little lost- rpo codes

Originally Posted by iroc_zz
This is what my info shows

N90 - 76-01 Wheel, 15x7 (cast aluminum)
QPH - 92-98 Tire , P215/65R15N
that looks better. I think thats what it has on it. I don't have it here
with me at work so I can't check. Guy I bought it from never modified the car. Want to find build sheet, just don't know where to look.
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Old Jun 19, 2009 | 05:04 PM
  #5  
iroc_zz's Avatar
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Joined: Jun 2007
Posts: 80
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From: MN
Car: 1985 IROC-Z
Engine: 305 H.O.
Transmission: 5 Speed
Axle/Gears: 7.5" 10 bolt, 4.10, torsen posi
Re: a little lost- rpo codes

For $50.00 you can order a copy of the original invoice from Chevy
Attached Files
File Type: pdf
vehicle_invoice_order_form.pdf (45.7 KB, 157 views)
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Old Jun 19, 2009 | 05:48 PM
  #6  
monkihead's Avatar
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Joined: Apr 2009
Posts: 162
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From: San Antonio
Car: 1990 RS
Engine: 305 TBI
Transmission: T-5
Axle/Gears: 3.08
Re: a little lost- rpo codes

Originally Posted by iroc_zz
For $50.00 you can order a copy of the original invoice from Chevy
I'm not ready to spend 50$ on documentation just yet. Maybe in a week or two. I think this car is fairly common for what options it has.
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