The rising petrol prices and my Spark's mileage of 10 kmpl was surely burning a hole in my pocket.
In the past 6 months I had driven only 2000km because I had some knee injuries but now my running has increased to 45-50 kms daily and slightly more on weekends.
Therefore we decided to either buy a pre-worshipped petrol sedan like the Linea or SX4 and convert that to CNG or convert the Spark itself.
The hunt for the used car began. I shortlisted a couple of SX4s, Puntos and a Linea. I like the All New Honda City but it was above my budget.
So I went to test drive the above mentioned cars but the Linea was in pretty terrible shape and the SX4 was just ok-ok. The Punto which I liked got sold.
There were good condition Fiestas available for less than 3 lacs but I've read on the forum itself that it is not advisable to convert Ford cars to CNG.
After checking out some more cars at other dealers I realized that all the cars I drove had some shortcomings. Some were vibrating a lot, some were rattling a lot, cars with fried clutches, poor suspension and so on.
After driving these I started liking my Spark even more. The car is just too silent and too smooth. I thought for a day and then decided to convert this to CNG itself.
I searched the forum but could find only a couple of experiences of BHPians who converted their Spark to CNG. That's why I decided to start a new thread for the benefit of others instead of just posting my ownership thread because this would get more visibility.
I had read frankmehta's thread in the directory recommending Suraj Autogas. I was planning to get it done from there only but then a relative of mine who has converted a couple of his cars to CNG recommended Zero Pollution to me. It is located near Poinsur Gymkhana at Kandivali and is just 0.5km from my place. So I decided to get it done from here.
I spoke to the owner of the garage and he recommended me to go for a closed loop kit. He had converted another Spark to CNG that day so he offered me a test drive of that car. I took that car for a spin and honestly I could hardly feel any power loss. Since it was already 8pm I decided to give him my car the next day.
Next day around 3pm I dropped off my car to his garage. He quoted 34k for a closed loop Lovatek kit. The 34k also included RTO charges and VAT.
The car was ready by 7:30pm and I took it to fill up gas. My car was running fine on petrol but after switching to CNG mode the engine would stall. The mechanic rechecked all the connections and after fixing some wires all was well.
Driving Experience -
After the issue was sorted I drove for a couple of kms and trust me there was no power loss at all. The car was chugging along perfectly fine in 1st, 2nd and 3rd gears.
Today morning I did a cold start and the engine started fine directly on CNG mode. Since the roads were relatively empty on my way to college at 6:30 am I could drive the car at various speeds and rpms in all gears to check the performance.
As I said earlier the performance in 1st, 2nd and 3rd gears was feeling the same as petrol. Earlier in 4th gear the car could pull cleanly from 40kmph but now I could feel a slight hesitation at this speed. This stays till around 50kmph and after that the acceleration is again good.
While returning I used the Western Express Highway and since it was raining + afternoon I kept the AC at blower speed 2.
When my car was on petrol I would slot into 5th gear around 50 kmph and the car would pull properly. But now the engine takes its own sweet time to accelerate from 50 to 60 in 5th gear. Again after 60-65 the petrol-like acceleration is back.
I drove till 80 kmph and couldn't notice any other problems.
Also it seems the performance near the redline has taken a very slight hit.
I used to go till more than 60 kmph in 2nd and now on CNG I could reach max 50 kmph in 2nd with AC on. With AC off I could easily do more than 60.
Did this slight loss of power delivery really affect my driving today? Well to be honest, not at all.
I had anticipated a 10% power loss when I got the conversion done and trust me the car didn't let me down.
The car is still running on the stock spark plugs and I didn't need to change them.
The cylinder which I got has 65 kgs of water capacity which means I can fill in 8-10kgs of gas depending on the pressure at the pump. I filled the tank yesterday night and it cost me around 300 bucks. Had to wait around 15 mins at the pump.
I'll go for a longish drive this weekend and try to calculate the approximate running costs and post here.
Now I have some questions :
1) The owner of the garage says that the Andheri RTO is shut for some days so my car's inspection will be carried out only after a couple of weeks. He also said I'll have to inform the insurance guys only after the RTO work is done. Is it ok to drive around without the RTO endorsement done for some days?
2) Do I need to run the car on petrol occasionally? Maybe a couple of kms everyday?
If you guys have any questions then do ask me. I'll click some pics tomorrow morning and post them here.
My car's ownership review is
HERE -