Externally, only the red intake covers set the new LS6 engine apart from its LS1 counterpart. But there’s a lot more going on inside to differentiate the two related Corvette powerplants. More importantly, the LS6 cranks out 385 horsepower, 35 more than the LS1, thanks to higher compression, better breathing, a more efficient titanium exhaust system, and a number of other power improvements. Available only in the new Z06, the LS6 raises Corvette performance to a whole new level.
    Like the Z06, the LS6 RPO designation is yet another expression of appreciation for the accomplishments of earlier Corvette engineers, In 1971, Zora Arkus-Duntov’s team created a special