The first Honda-branded vehicle in the U.S. to use a DOHC version of VTEC was the 1993 Honda Prelude VTEC. The 2.2-liter DOHC 16-valve 4-cylinder (H22A1) boasted 190 hp and 158 lb.-ft. of torque. Working much like the VTEC mechanism on the NSX, it produces an additional 30 horsepower compared to the 2.3-liter non-VTEC engine in the Prelude Si
Honda’s turbocharged four-cylinder engines have variable valve timing for the intake and exhaust valves but don’t have variable lift. Honda says this version of VTEC controls the intake and . 10 354 190 432 445 252 9 326