A private British car manufacturer said February 21 he was looking for a joint venture with a local company to produce vehicles for the leisure market. Roger Whalley, Director of Khaleej Cars Ltd., in Barbados as part of a trade mission put on by the Birmingham Chamber of Commerce, said his company was willing to establish a manufacturing plant here to initially produce between 120 and 150 cars for the local and Eastern Caribbean rental car market. "The general size of premises we need for construction programs such as this …