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Need to find out if I have a Ca smog truck or not. Anyone know where to find any info? Vin is old only 11 digit only on the door and not in the window?
They put them on the door, and stamped into the top frame rail > passenger side between the firewall & rad support.
Plus under the cab ,same frame rail.
Any California connection would be in the DSO code on the rating plate & the red/white valve cover sticker.... driver side.