During recent testing, Mc Laren find it hard to keep pace with rival such as Renault. Kimi has since commented that Mc Laren weakest link is now its Mercedes engine. Mercedes has since rush to introduce a new engine recently that is said to have more 60 HP of engine power. Who will dominate in 2006, no one know at this point in time and we shall see which team is able to adapt well to the new regulation and the new V8 engine.