Emissions Label Identification
#1
Emissions Label Identification
I have a 1970 Cutlass Supreme Convertible. It came with a 350 2bbl. The old emissions label I found has the letters "SO" in the bottom right hand corner inside a circle. I'm trying to get a replacement emissions label but can't seem to match this code to anything. Does anyone know what the significance of "SO" is for?
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ToronadoGuyDenver
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September 8th, 2017 05:04 PM