hi all, was wondering if you guys would be so kind as to give me some advice on how to tune up the engine of my 1.4 clio RT (mk1). i will be doing a few miles when im in the raf next year so i wnat the engine to be more efficient, relable and a bit more nippy. can you tell me what i can do to get a bit more life into it? stuff luike polishing the heads and new injectors and cams, is that all expensive labour wise? thanks alot for reading. tom.