How to get the max out of mehran.
If using petrol.
Plug gaps .30
Point gap .50
Ignition timing 20 degree before top dead. while engine not running
If using cng every thing the same but ignition timing 24 degree before top dead centre
if you drive at 70kph you will get 21 km/litre on long run 15 /litre in city depending on engine con
I will post the DIY in few days I dont have a CAM right now