I have Hyndai Santro 2005 Exec i have installed 50 Cylinder in it from FaisalCng it gives me only 75-80 km in local is it fine.tell me brothers and mostly when i drive 15 km and then off my car it doesnot start again on Cng i dont know abt this probem then i convert it to Petrol after driving 4-5 kms then when i convert on cng i have to give race more then it converts. ok tell me brother