On this 9th episode of A Diamond In the Rough, Ted changes the spark plus on the 1978 Mark V Diamond Jubilee and passes along some great DYI tips. Ford built the 1978 Lincoln Continental Mark V Diamond Jubilee Edition to celebrate the companies 75th year in the automobile business. A grand total of just 5,159 cars were built. To help celebrate the the 75th anniversary and to distinguish the car from other Lincoln Mark V the Diamond Jubilee was available in only two colors, Diamond Blue and Jubilee Gold. In this very special and very personal 9th episode Roman Mica and his British Car mechanic friend Ted Ax set out to restore and Roman's Dad's old and very neglected 1978 Continental Mark V Diamond Jubilee edition.