The following decade-plus—from 1961 through 1974—brought us the greatest road-going examples from Jaguar ever made. When they hit the scene, these were legitimate supercars rivaling the best ...

The seller suggests dropping in a 5.0-liter Coyote V8, which is readily available used or new from Ford’s catalog of crate engines. Nab a V8 from, say, a 2013 Mustang and you’ll dial in ...