Gene Haas now wants a technical partnership with a current Formula 1 manufacturer to get his new team on the 2016 grid, having decided against plans to use Dallara chassis.
'Customer car' rules
will be relaxed from 2015 to allow teams to buy more parts from other outfits - a new opportunity Haas intends to make the most of.
Rather than the original idea of using racing car constructor Dallara to build his first F1 challenger, Haas wants to buy engines and as much of a car as his team can from another squad.