Mark Webber says the rule tweaks stopping teams from changing engine mapping between qualifying and the race are unlikely to have a big effect on the field.
"I don't think they will make the car any faster," said Webber ahead of this weekend's European GP at Valencia. "They will be the same for everybody. We need to adapt again and get used to it.
"Our team are used to adapting to a change in the regulations. I don't think it will turn the field upside, but everyone will be in reasonable shape. We are quick."
The Red Bull driver also questioned the timing of the rule changes, as he reckons it will cost teams a lot of money to adapt.
"There is always something floating about in our sport," he said. "Obviously, it would have been very cost effective to know this before the season started, as everyone looking at it at the end of the year. It is not a trivial thing to throw in the middle of the season for teams, but they will adjust. Everyone is in the same boat; it is the same for everybody. We are not overly concerned. It is not a cheap exercise to make adjustments off the back of it."
The Australian says fans will not care too much about the changes, as they only want to watch exciting races.
"I think the majority of fans aren't that bothered. They want to see what they've seen this year – good car races. They have 10-15 percent knowledge of what is going on behind the scenes. You have the hardcore fans who understand a bit more, but fans want to see a good race. The politics in the background will always be there, but they are making these decisions for whatever reason it is.
"You design an F1 car at the start of the season to very strict regulations and then obviously there is a massive conceptual trend for that design in the middle of the year. It is the way it is. We have to get on with it."