Intake, exhaust, and chip upgrades are usually amongst the first modifications made as they are the cheapest, make reasonably general improvements, whereas a different camshaft, for instance, requires trading off smoothness at low engine speeds for
improvements at high engine speeds.
Not exact matches
And SKYACTIV means that the chassis is stiffer,
high speed steering and stability has been improved, suspension pieces have been redesigned and repositioned, the electric power steering ratio is now 15.5:1, and so on and so forth, and every possible
improvement that could be made
at the same time the
engines and transmissions were being designed.
AM11 has also been specifically engineered to give an extra 40 Nm of torque between 0 and 4000 rpm, meaning impressive
improvements at both
high and low
engine speeds and additional power
at higher revs.
Although Kia has made major
improvements in noise, vibration and harshness, the Rio's
engine is still buzzy
at high speed and lacks the smoothness and refinement of its Japanese competitors.