UNI4D The 1965 platform got a minor touch up for '66, and LTDs gained "7-Litre" companions powered by the Thunderbird's big 345-bhp 428 engine. The following year brought new outer sheetmetal with more flowing lines and "faster" rooflines on hardtop coupes. LTD became a separate three-model series, adding four-door sedan but losing the slow-selling 7-Litre Âmodels.|Free Slot {Coaching|Teaching} Servies