Talk of a twin-turbo V6 for the new Lexus GS and LS has us wondering if this engine will make it into the hypothetical Toyota Supra and BMW Z5. the partnership with BMW have only fueled the fire.

While we know the Lexus GS 430 is no performance pushover ... the Roads Untraveled channel on YouTube says its like “the LS of the Japanese world.” It takes to boost quite well and with ...