Project - Suzuki Khyber

[khyber95]

any one else?

[Beefy]

I am getting 135 ~ 140 km in 7 kg CNG gas in city . Is this enough for khyber?
Any one?

I used to get 140 to 150 in one full cylinder in my car in city driving.
the gas pressure in cng station in potohar regieon is pretty good.

[Beefy]

dont know but my khyber gives 180km mileage on cng full tank(50kg)

180 on full cylinder? in city driving or long route?
Are you using a bigger cylinder?

[khyber95]

I used to get 140 to 150 in one full cylinder in my car in city driving.
the gas pressure in cng station in potohar regieon is pretty good.

full cylinder in ur car === how much kg gas ??

[metalhead]

I fill about 8kg of gas(when pressure is higher like 220bar, it fills in 8.6kg) and drive more than 200 km in city in winter. In summer it drops to 180 to 190km as warm cng at 200bar has less weight. On highway add 20km more.

Note: We seldom drive on high rpm like 3000+. Why not de-tune it for lower rmp limit to save extra burnt fuel. Also a light foot on gas pedal and avoiding unnecessary braking i.e. cruising to slowing down or stopping, can save a lot...

[khyber95]

my car is 95 model. should I used to spray diesel underneath it after service. i am confused about it.

[Beefy]

I fill about 8kg of gas(when pressure is higher like 220bar, it fills in 8.6kg) and drive more than 200 km in city in winter. In summer it drops to 180 to 190km as warm cng at 200bar has less weight. On highway add 20km more.

Note: We seldom drive on high rpm like 3000+. Why not de-tune it for lower rmp limit to save extra burnt fuel. Also a light foot on gas pedal and avoiding unnecessary braking i.e. cruising to slowing down or stopping, can save a lot...

Wow!
Unbelievable mileage you are getting buddy but dont you think 220bar is a bit dangerous in terms of cylinder safety?
Detuning seems good in facts but Im sure it wont be practical in real life.

[Beefy]

full cylinder in ur car === how much kg gas ??

I think it was 55kg:S
The cylinder used to get full with 5.5 kg gas.

[Beefy]

my car is 95 model. should I used to spray diesel underneath it after service. i am confused about it.

Diesel is fine but remember to get it washed again with water.

[khyber95]

I fill about 8kg of gas(when pressure is higher like 220bar, it fills in 8.6kg) and drive more than 200 km in city in winter. In summer it drops to 180 to 190km as warm cng at 200bar has less weight. On highway add 20km more.

Note: We seldom drive on high rpm like 3000+. Why not de-tune it for lower rmp limit to save extra burnt fuel. Also a light foot on gas pedal and avoiding unnecessary braking i.e. cruising to slowing down or stopping, can save a lot...

180 km / 8 kg = 22.5 km/ kg

@ beefy

150 km /6 kg = 25 km /kg

[Beefy]

180 km / 8 kg = 22.5 km/ kg

@ beefy

150 km /6 kg = 25 km /kg

Yes you are right.
mileage is good on cng filled up from potohar region because gas pressure is good.

[metalhead]

Cylinder volume is in liters and 55 liter cylinder fills in about 8kg of gas @ 200 bar and about 20 deg C temperature.

If your fill less, it will travel less. Calculate per kg mileage...

[Beefy]

Cylinder volume is in liters and 55 liter cylinder fills in about 8kg of gas @ 200 bar and about 20 deg C temperature.

If your fill less, it will travel less. Calculate per kg mileage...

Yes I get you but you mentioned 220bar in your previous post.
200bar is ok but as per my knowledge 220bar pressure is abit dangerous for CNG cylinders.

[metalhead]

Yes the pressure above 200 bar is against the law also.

Mine once got filled in upto 235 bars. But one should avoid such situation. The cylinder is designed and checked at much higher pressures. So once or twice is ok at 220bar. Repeatedly filling higher pressures may become dangerous considering the expansion and contraction of cylinder which may lead to propagation of cracks...

[Beefy]

Yes the pressure above 200 bar is against the law also.

Mine once got filled in upto 235 bars. But one should avoid such situation. The cylinder is designed and checked at much higher pressures. So once or twice is ok at 220bar. Repeatedly filling higher pressures may become dangerous considering the expansion and contraction of cylinder which may lead to propagation of cracks...

Thankyou.
do you know at what interval cng cylinders of cars should be checked for leakage and their condition?
previous owner fitted it and now even they dont remember when they fitted cng in it.
I bought the car in 2007 fitted with cng and since then never got the cng cylinder tested.
someone told me to get the cng cylinder serviced?:S

[metalhead]

google "Hydrocarbon" for cng cylinder testing...

Or goto: http://www.hdip.com.pk/

Or Contact:
General Manager
Mr. Safdar Zaheer
Phone: +(92-51) 925 7470.
Fax: +(92-51) 925 7572.
E-mail: hdipCNG@apollo.net.pk
Address: Plot #18, Sector H-9, Islamabad.

[khyber95]

i need to refill the AC gas and service AC. can any one tell me in good mechanic in abbottabad , haripur and which ac gas should be filled. car has original ac in it.

[Beefy]

google "Hydrocarbon" for cng cylinder testing...

Or goto: Hydrocarbon Developement Institute of Pakistan

Or Contact:
General Manager
Mr. Safdar Zaheer
Phone: +(92-51) 925 7470.
Fax: +(92-51) 925 7572.
E-mail: hdipCNG@apollo.net.pk
Address: Plot #18, Sector H-9, Islamabad.

Thankyou so much brother for taking out the time for replying me.
I will definetely check them.
thanks once again.
Cheers.

[Beefy]

i need to refill the AC gas and service AC. can any one tell me in good mechanic in abbottabad , haripur and which ac gas should be filled. car has original ac in it.

Is it r12 or r134? kindly confirm it please.

[khyber95]

Is it r12 or r134? kindly confirm it please.

I dont know much about it. but AC is original one. stock AC in khyber