I need to put a smog system on a 1980 gm motor that was installed in a 1980 cj5 jeep
Dave, you will need to find out which GM motor you have in 1980 GM probably had 40 car models considering Chev, Olds, Pont, Catalac, Buick ... Then you will have to find the info on that engine.. I suggest you try your local library, for an old book. or possibly advertise on Craigs list for literature or factory manual once you find out which engine you have.
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