Yes, Ford can do something.
A dealer is free to set the retail price of the products it sells. A dealer can set the price at the MSRP or at a different price, as long as the dealer comes to that decision on its own. However, the manufacturer can decide not to use distributors that do not adhere to its MSRP.
In addition, he does not have to "specifically prove that they talked between themselves and decided them to sell them for $X." It could have been a verbal agreement. It could have been a written agreement. It could also be inferred from conduct.
A dealer is free to set the retail price of the products it sells. A dealer can set the price at the MSRP or at a different price, as long as the dealer comes to that decision on its own. However, the manufacturer can decide not to use distributors that do not adhere to its MSRP.
In addition, he does not have to "specifically prove that they talked between themselves and decided them to sell them for $X." It could have been a verbal agreement. It could have been a written agreement. It could also be inferred from conduct.