I have a 1963 Cadillac Series 62 Convertible. I am looking for Seat Upholstery to re-cover the Front and Rear. However, I am only finding one specific design for that year. I am wondering if the dimensions are close enough to the same on the 1966 Seat Upholstery that I could use it? I like the design better. Does anyone know? I called PUI Interiors and they cannot give me the dimensions of the Seat Upholstery and what the difference is between the 1963, 1965 & 1966, which appear to be very similar. But I know appearance can be deceiving. I could alter the foam if needed. Hoping someone has tried and will let me know their experience! Thanks!