Fred is bang-on. I have an original mailer from our local Chevy dealer from '70 that covers the new emissions tech. The charcoal canister schematic is shown over a Monte Carlo silloette. I was California only for '70 & 49 state in '71. I don't recal our '74 having such a system though. As far as a replacement charcoal canister, I've never seen anyone advertise them. I wonder if dealers could still get them?
i have one off a 72 with the bracket it should be the same but i am not positive its yours for 10 plus s&h.i seen them in either opgi book or ted williams for around 80$ and they also sell the replacement filters.
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