by
macseeca
Nov 02, 2011
15 to 20 mpg? Here's a link to a story these engines. I'm not that much into cars but I find the engineering going into performance vs efficiency
super interesting.
http://www.superchevy.com/technical/engines_drivetrain/completebuilds_testing/sucp_1001_1970_chevelle_new_lsa_crate_engine_install/viewall.html