Pulling this back on to the OP did anyone else see the report of the next vette engine? It's supposed to be a 5.5L V8 rated at 440hp. We know it will eventually make it's way into the Camaro. So there's your lower displacement engine. As for the Z28 we're all assuming that it will be the LSA but what we haven't really debated is it's output. Do you think GM might detune it a bit to say 500hp or so for better mileage or perhaps tune it for more low end torque?