The French squad be at Haas to fourth place at the standings by 29 points, in a battle which also happened off the trail after Renault’s demonstration at the Italian GP.

protested ’s car following the race where he finished sixth – and also the Frenchman was excluded within the legality of the floor.

Grosjean believes the demonstration revealed , in just its third season in the sport, was scaring .

“I actually don’t believe that it’s a wonderful sportsmanship move,” he said of ’s demonstration. “But yes, we were scaring themwhich is good. They should be later on .”

The Haas driver believes the American team”changed leagues” in 2018, leaping into the front of the midfield after finishing in eighth place in its first two seasons in F1.

But Grosjean admits needs to keep advancing on areas like making to be able to take its performance into another level.

When asked what needed to improve to be able to be at , he said:”There aren’t many things. One case is that we do not produce parts, therefore we will need to make them out and sometimes it takes a bit too long.

“That’s one case that I will give out of couple, but that really is just one. As it’d take three days [for them], to our team to do it it maybe takes fourteen days.

“Like the ground, we didn’t have the time to improve it out for , which was the only thing. The performance gain is zero. Absolutely zero, zero, however we just didn’t have enough time to do it for and played it.

Grosjean says team manager Gunther Steiner is aware of the areas which need improving and is working to make things better.

You knowhe knows a great deal of things and that is very good to have,” he said. “We talk very often, however he is attentive to the things that we need to improve and absolutely it is some thing which we’re working on.

“Section of this remainder is just a growing process, more performance you want, faster you want to bebetter what to move.”

Romain Grosjean, Haas F1 Team VF-18

, F 1 Team VF-18

Photo by: Zak Mauger / / LAT Images