A magnitude of F1 upgrades have been unveiled at the Imola circuit as teams look to stamp their authority on the title fight.
Round seven of the F1 championship sees the Emilia Romagna Grand Prix kick off the European leg of the season.
The main protagonists in the title battle have brought crucial upgrades to the event, but the biggest package has been delivered by Aston Martin who has endured a difficult start to the campaign.
Championship leaders McLaren has won five of the first six races and have updated the rear corner and suspension to allow for increased aerodynamic load, as well as a new rear and beam wing to provide extra downforce.
It has also fitted an updated suspension which aims to “increase clearance to other suspension members”.
Red Bull's F1 upgrades were detailed by RacingNews365 on Thursday, with the team confirming it has made revisions to the shape of the sidepod and radiator duct inlet.
The Milton Keynes-based squad has revised a fairing around a suspension member as well as the wheel bodywork inlet and exit duct at the rear of the car.
Ferrari, who is chasing its first win of the year, has brought an alternate rear and beam wing configuration to its home race, which results in a higher downforce output. Also at the rear of the car, the team has improved airflow with a revised scoop geometry and winglet arrangement.
Mercedes' changes largely relate to the front of the car as it has modified its front suspension and reporfiled front wing elements.
In a bid for further gains, the German manufacturer has made a subtle change to the engine cover shape that not only improves airflow but also allows for more efficient cooling.
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Aston Martin bring biggest package of all
The Aston Martin package, meanwhile, is considerable and the most significant of all the teams.
The team has endured a difficult season, with Fernando Alonso, in particular, yet to score a point after the opening six grands prix.
The AMR25 updates, due to be on Lance Stroll's car only through Friday practice as part of correlation tests with the old package, boasts a new floor, complete with fences and an edge, all to "improve the flowfield under the floor, increasing the local load generated on the lower surface and hence performance," according to the team.
Alongside the development of the floor edge, there is a revised shape for the coke to aid the performance of the floor.
The diffuser has also been updated, whilst the local detail around the rear halo mounts has a reduced fin to manage the flow around the cockpit. Finally, there is a new beam wing to assist with drag reduction
.The Racing Bulls have a new floor body and sidepods, whilst on the Alpine, there is a reprofiled front wing and rear bodywork panel.
Haas has also brought a major package that includes a new floor, floor edge, diffuser, rear corner and rear suspension.
Williams and Stake are the only two teams without any updates this weekend.
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