Did the 91 cargo van come with a Vortec engine? on 1991 Chevrolet Astro

Was the 1991 cargo van made with a Vortec engine?

by in McDonough, GA on February 20, 2010
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2 answers
ANSWER by , February 21, 2010
This site can help you answer that question and more about your Astro Van: http://www.goodwrench.com/Downloads/index.jsp
ANSWER by , December 02, 2010
look at the engine digit in your VIN number. (off hand cannot remember if it is the 8th digit or the 10th, one will be the engine code, the other the year.) if you have a "W" code, you have the Vortec. The other code for that year (non-Vortec) in a 4.3L IIRC is a "Z"