hp 1ZZ-FE engine and the ZZT231 powered by a higher-performance 1.8 L 4-cylinder 191 hp in Europe and Japan (180 hp) 2ZZ-GE version, co-developed with Yamaha . Both of these engines featured Toyota's signature VVT-i (Variable Valve Timing with Intelligence) system, which continuously varies the camshaft timing. Posted by livingstoneg at