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Help with RPO codes

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Old Mar 8, 2005 | 08:01 PM
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Kevin84Z28's Avatar
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From: Sonoma CO. CA.
Car: 1984 Camaro Z28
Engine: L69 305 H.O.
Transmission: T-5
Axle/Gears: 3.73
Help with RPO codes

I broke my codes down and need some help understanding a few of them. Any info on the following would be helpful:
1. GT4/ Axel Rear, 3.73 Ratio DUP With 5X1
2. MM5/ Merchandised Trans. Man 5 SPD Provisions
3. 1AY/ Stock Orders Processing Option (Dealer Ordered Car)
4. 6ZX, 7ZX, 8NN, 9NN,/ Spring Computer Selected
5. Z06/ Special Performance Equipment Package
6. YT1 & YT2 /Build Up DR & Qtr Custom
7. YT9 / Option Package, Fisher Furnished Parts
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