I have newly rebuilt engine running smoothly. cleaned/tuned CNG kit/cylinder, clean petrol tank as well.
Spark timing is set somewhat in the middle as the car hardly knocks at petrol while runs/picks fine on CNG.
a. Local Rwp/Isb average with 70% A/c is around 115km on full 55L CNG cylinder while the Petrol average is around 7~8 km/L
b. Now a days my car runs 3 days on Petrol due to CNG unavailability.Will STAP do any good as Irfan mechanic (New Friends autos/ Ex Federal autos) says it would hardly improve petrol mileage!!!!!!
QUESTION Testdriver to comment pl as well
a. What are the other DFC members' car mileages on CNG and Petrol?
b. Any idea to improve car petrol mileage.....