salam every 1 i have charade with 4efe engine ,,, ppl say k alteration wali gari m ac nahi chalta , is it true ??? my ac guy told me k gari garam o ge bht faida nahi hai ac working karany ka but i am shocked k 4efe engines to bht chal rae hain if ppl can use 4efe engine with ac in corolla y not in charade ??? help required i ll appreciate your cooperation