Since the last major rules change back in 2009 there’s no doubt the main Red Bull team has been the quicker of the two teams run by the energy drinks giant.

However, in an apparent return to 2008 when it was Sebastian Vettel and Toro Rosso getting the best results for Dietrich Mateschitz, the ‘senior’ team has called on it’s Italian sister for assistance to overcome its current woes.

That is the claim of Italy’s Autosprint who believe the areas Red Bull are asking for help include the new brake-by-wire system which is new to most in F1 as part of the new more more complex Energy Recovery System (ERS).

“The fact that Red Bull wants to use someone else’s (system) says a lot about the size of Red Bull’s other problems,” said veteran correspondent Alberto Antonini.

That is not the only major issue holding the world champions back as adviser Helmut Marko admits the team is also struggling with “extreme turbo lag”.

“You step on the gas,” he told Austrian television and Red Bull partner Servus TV, “but the power comes all of a sudden, the wheels spin, the car slides and you lose speed.

“We are working with Renault on the test benches day and night to improve the situation for Melbourne,” added Marko.

The situation is such that the four-time defending world champion Sebastian Vettel believes the only chance his team has of scoring points in Melbourne will be at the expense of others.

“If half the drivers fail to finish, then maybe we could take a few points,” he said.

“At the moment we have bigger problems to solve than just the pace.”

Luckily for Red Bull their issues come as Toro Rosso join them in using Renault power units, not that that is a positive thing as all four French-powered teams are facing a mountain to climb just to finish the race in Australia.

However, does this apparent move for Toro Rosso help signify that the Red Bull team think they are behind their sister team?

Not necessarily is the answer, though it was Jean-Eric Vergne’s STR9 how posted the fastest time of the two teams in Bahrain testing, but I believe this move is more due to Red Bull being too focused on solving it’s heating issues that they haven’t had chance to resolve problems elsewhere.

Finally the Toro Rosso team have also completed quite a bit more mileage than their British based bigger brother, which is exactly what Red Bull need to find - reliability.

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