Haas technical director Simione Resta has revealed the team is "trying to take everything that is possible" from Ferrari ahead of the 2022 season.
F1 will race to an all-new set of aerodynamic regulations this year with Haas the first team to reveal its machinery after launching the VF22 on Friday.
Last year, Haas set up a hub in Maranello with a number of Ferrari employees, including Resta, switching allegiances to join Haas.
Although Haas has no access to the Ferrari facilities and the teams work separately, pooling ideas being against the regulations, the American-owned team seeks to gain the maximum benefit from its status as a customer team.
"We try to maximise all opportunities with Ferrari and we are the smallest team on the grid so therefore, for us, it is important to maximise all those opportunities," explained Resta at the launch of the VF22.
"The regulations have changed in a measurable way between last year and this year with new component specifications et cetera, so actually, you can change fewer things from Ferrari with fewer parameters.
"But yes, in short, we are trying to take everything that is possible within the technical regulations."
Whilst there is the freedom to purchase non-listed components from other teams, listed components such as the survival cell, primary roll structure and the majority of the aerodynamic components must be designed and manufactured in house.
"The relationship...I wouldn't say it has changed dramatically," added Haas team principal Guenther Steiner.
"We always had a good relationship but the relationship is also regulated by the FIA rules. You cannot do more now just because we are sitting in Maranello."