Ownership of classic car

MY WIFE AND I HAVE BEEN MARRIED 27 YEARS WE ARE SEPERATED AS OF APRIL I AM PAYING HER HALF MY NET TAKE HOME .WE ARE WORKING ON A SEPERATION AGGREMENT. I HAVE A CLASSIC CAR I DRIVE FULLTIME THAT I BOUGHT 8 YEARS BEFORE WE MEET AND HAVE WORDED ON AND UPGRADED THE PAST 30 YEARS. WHEN WE SEPERATED SHE WAS DRIVING A DEALER CAR THAT I HAD FROM A CAR DEALERSHIP WE TURNED THAT CAR BACK TO THE DEALER… I SAID I WOULD HELP HER BUY A SIMULAR USED CAR LIKE SHE HAD BEEN DRIVING FOR THE PAST 10 YEARS. SHE CALLED FROM A DEALERSHIP SHE WAS GOING TO BUY A CAR FROM TO I ASK HOW MUCH I WOULD GIVE HER FOR TO BUY A CAR WHICH I GAVE $ 7000. IN THE AGREEMENT SHE WANTS A ADDED 5500 BECAUSE SHE BOUGHT A NEW CAR. NOW THE QUESTIONS: THE TITLE FOR THE CLASSIC IS IN BOTH YOUR NAMES AND SHE WONT GIVE ME A CLEAR TITLE UNTIL THE EXTRA 5500 IS PAID. WITH THE CLASSIC BEING MINE BEFORE WE MEET SHOULD I HAVE TO PAY HER 5500 EXTRA AND SHOULDNT THE 7000 ALREADY PAID BE ENOUGH. WHAT CAN I DO

If the classic car is titled jointly it would likely be considered marital property by a court. If you do not agree with the terms she is proposing to settle this issue you may file an action for equitable distribution and allow the court to decide.