Should I worry about small amount residue amounts that are left over in the valve shaft and can be seen through intake runners but difficult to reach? (mechanics.stackexchange.com)
The engine, meanwhile, features redesigned intake valves aimed at improving combustion, as well as wider and shorter intake runners to facilitate airflow. (autoweek.com)
Some longer intake runners and some modified software could have torque ratings passing 400 pound - feet. (topspeed.com)