Quote:
Originally posted by swervin ervin
For 1987 and beyond, all Chevy/GMC fuel injected engines used cats regardless of location or weight class. Only a few 30/35 series chassis cab models offered carbureted 292, 350 and 454 engines, and those were the only models that did not use catalytic converters for 1987 on.
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does anyone know where this information came from? it appears to be incorrect. the exhaust for my '93 is for a C309(03) truck (1 ton, SCLB) with the TBI 350. there are definitely no cats involved.
