i need ur suggestions about vitz valve clearence.
when i start my car even on CNG and petrol it take long self to 6 to 10 sec to start and if i dont give race it stops need more self to start. sometimes engine vibrate or missing too much . missing mostly occurs on when i change to petrol from CNG.after the speed of 55 to 600 pick mar jata hai slow slow pick leti . i take the car to mechanic he told me that its valve need to be changed one of my friend advise me that buy a used head from shershah and replace it for better performance .
i need ur suggestion what will i do
1. put new valve seats, valve ,daboo wagera
2. buy a head from scrap and put it but is main pata nahi kitna chala hua hai after sometime problem will start again.
3. after doing this pick and top speed of car will increase.
i m from karachi is kam ka koi acha mechanic ho to batain