The all-American V8 kicks out as much as 350 hp, but the V8 power isn't as mighty as it once was. These are the V6 motors that put the LS1 to shame.

Those were replaced in turn by the current V8s in 2006, and now it's been confirmed that by 2014 two more cylinders will drop off the block for V6 propulsion. Formula One racing engines have been ...