The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Catalytic Converters and Emissions in Texas

Jonboy · 03-08-2007, 06:27 PM

1975 was the first year of the converters in 1/2 ton models.

FWIW, my 87 passes with a cat and no air injection.

03-08-2007, 06:27 PM	#2
Jonboy Slots go on anything! Join Date: May 2003 Location: Richardson, TX Posts: 5,957	Re: Catalytic Converters and Emissions in Texas 1975 was the first year of the converters in 1/2 ton models. FWIW, my 87 passes with a cat and no air injection.