GU5

[warnerTA]

ok so i looked in the glove box today. and i seen all those numbers (dunno what they are called:confused:) and i know GU5 means the rearend gears. but what gears is GU5? 3:23s?

[PipesTA]

You are correct. GU5 = 3.23

[black_sunshine]

those are the RPO codes

[warnerTA]

anything else i can learn from them? :)

[Spartan7]

RPO = Regular Production Option (all the stuff your car came with from the factory)

http://performanceworks1.com/PDF%20Files/gm-firebird-camaro-GM-RPO-car-codes.pdf