Christian Horner admits there are no guarantees that Red Bull will get things right when new regulations come into force in F1 for the 2014 season.

While the team has been the dominant force in recent years, major changes for next season are set to create a more level playing field as field deals with the challenges provided by the switch to 1.6 litre turbocharged engines complete with energy recovery systems.

With Red Bull set to again wrap up both championship titles this season, the Milton Keynes-based outfit will remain the team to beat but Horner admitted that - even with the expertise of Adrian Newey - there was no guarantees it would get things right with its new car.

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"Somebody's got to get it right and somebody's got to get it wrong," he told Sky Sports. "It's the one element that nobody will know until we get to the first race next year.

"There are no guarantees in anything. But I think we've got good people, we've got a very good engine partner, and we've got some strong opponents. So it's impossible to make predictions. All we can do is the best job we can and then we'll see how that measures up against the opposition when we get to the first race."

Horner admitted that - for understandable reasons - the role of the engine supplier would also be more important than ever next year, with the defending champions aiming to benefit from the strength of its relationship with long-time partner Renault.

"Red Bull is the works partner of Renault for next year, so effectively it is the factory team and, yes, we've been very closely involved in the development of the power unit in terms of installation," he said. "They might get it wrong; hopefully they'll get it right. In the past, they've a good track record when there have been regulation changes - big regulation changes - so we're reliant on the skill of the engineering staff and design staff in Viry.

"Based on the lack of mileage the engine suppliers will have, I think that reliability - especially as the engine has to do more mileage - will become a bigger element. The level of testing is pretty limited. I think that dyno time and preparation is going to be critical for the engine suppliers. I think that most of them will be running their engines on the dynos now.

"If they're not then they're already late."