neighbors 79 1/2 ton failed emission

I'd like to get it legal for him. I can overhaul the carb, I'm good at that. (and old, too) Iwas looking for an O2 sensor (breif look) and didn't notice one. Is there one on this vehicle? I seem to remeber trucks having a lot of exemptions back then. Thanks, George

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George Jaynes
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Before going to all that, check those pesky basics. Timing, vacuum leaks, plugs, wires, cap and rotor, especially rotor and given its age, I would probably do a compression check. also given its age the cat could be tired. Post what his readings were, Things learned from Florida's now defunct Emission testing, make sure the vehicle is at operating temperature when its checked, don't run the ac while waiting in line, and don't shut the engine off while waiting.

Whitelightning

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Whitelightning

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