In the 2011 chevy silverado 2 wheel drive crew cab
5.3L extra fuel economy model, would this have a
LS block in it.
Sort of, but they call it a Vortec. Do some studying at the link.....http://www.superchevy.com/how-to/0901gmhtp-ls1-ls6-ls2-ls3- l99-ls4-ls7-ls9-lsa-engine-history/
What do you mean sort of? The 5.3 is part of the ls family of engines.
Sort of means it is part of the LS family of engines, but GM calls it a Vortec when installed in a truck.
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