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Does 1978 Chevy Silverado Need a Catalytic Converter?

Does my 1978 chevy pickup 3/4 ton need a catalyic converter (CAT)? It is not listed on emissions sticker.

Answer:

The Motor Emissions Application Guide shows all 1978 Chevy trucks & vans 6000 GVW or less require a Catalytic Converter. 1978 Chevrolet trucks and vans 6001 GVW & over are not required to have a CAT. posted by SmogTips Support

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