CNG + Turbocharger

Arpit · 5th June 2008, 22:00

I know most of you will have the following Reactions

but still i am very keen on knowing the Technical Implications of installing a CNG Kit in an Octavia RS, so please be kind enough to shed some Light on this topic. The Pros, Cons, Modifications required to carry out such installation.

iraghava · 5th June 2008, 23:54

Well a fellow member neo_trace has had the same mod done to his Baleno. Search for his posts here or PM him.

nitrous · 6th June 2008, 00:14

Is it possible? Definitely Yes.
Would I recommend doing it? a BIG NO!
For one simple reason that Skoda/VW engine parts in India cost a BOMB.
If you still want to go ahead,
You will need a sequential CNG injection kit which should be good enough for 175-180 bhp and the fuelling should be pucca. Run a turbo engine lean is something which will make you cry tears of blood.

IronWolf · 6th June 2008, 01:39

Quote:

Originally Posted by Arpit

I know most of you will have the following Reactions

but still i am very keen on knowing the Technical Implications of installing a CNG Kit in an Octavia RS, so please be kind enough to shed some Light on this topic. The Pros, Cons, Modifications required to carry out such installation.

Yes I do have the above reactions. CNG? on a RS? Why? the 5 RS price rise? Turbocharged cars as far as I know dont run lean. running a TC on Gas is not at all advisable.

Better solution, sell the RS and buy a Octy TDi then Pete it.

Quote:

Originally Posted by iraghava

Well a fellow member neo_trace has had the same mod done to his Baleno. Search for his posts here or PM him.

Is this Baleno TCed? and has a Gas kit? I need to hear from this member then.

iraghava · 6th June 2008, 02:00

Quote:

Originally Posted by IronWolf

Is this Baleno TCed? and has a Gas kit? I need to hear from this member then.

Yes sir it is, I would have thought my statement earlier was legible enough but still I'll reiterate, he runs a LPG Baleno with a Turbo!

ananthkamath · 6th June 2008, 08:00

IF you have full control over the mixture I don't see why there are any disadvantages? CNG has an octane rating around 110-130 (this high variability is one of its disadvantages though its still higher than petrol) and burns much cleaner. You can easily run 5-7 degrees more ignition advance at peak torque keeping everything else the same. This translates directly into a 5-10% increase in torque.

kutlee · 6th June 2008, 08:22

As far as technicality is the factor, basically anything is possible. Pros...might save fuel cost. Cons - a lot of work. Has anyone done this before?
Availability of fuel partucularly on a long drive can be a problem. Even finding LPG is difficult.

vinayvtec · 6th June 2008, 08:41

Hi Arpit, you have a great car and why do you want to have a CNG kit for that? RS is to have the pleasure of the drive.. you need to feel every sec of what you spend in a turbocharged car, if you are planning to save the fuel and want to do something wakey then do it on some other small size car and not on a India's fastest car. I dont want to see an RS in Pics of weird and wacky mod jobs thread....

vinayvtec · 6th June 2008, 08:44

[quote=IronWolf;855982]Yes I do have the above reactions. CNG? on a RS? Why? the 5 RS price rise? Turbocharged cars as far as I know dont run lean. running a TC on Gas is not at all advisable.

Buddy, his Location is NOIDA and the 5 Rs hike is in bangalore..

abhik · 6th June 2008, 15:51

Turbo + CNG a very very good option. My CNG fitter fitted a vRS in front of me and it runs like a bomb! The owner had a BIG smile on his face after a test drive after CNG fitment.
Google will also help you and so will Wikipedia.

abhik · 6th June 2008, 15:53

Read the other posts on Modifications and Accesories for more info on CNG and performance mods on CNG.

cooldude1988765 · 6th June 2008, 20:40

Quote:

Originally Posted by vinayvtec

Buddy, his Location is NOIDA and the 5 Rs hike is in bangalore..

OT: The Rs.5 hike was nation wide.

wolfinstein · 6th June 2008, 20:41

You would need a ECU Remap, to negate the extra Air reading...!

Arpit · 6th June 2008, 21:03

@ Nitrous: I know Skoda parts are expensive in India, but the recent fuel Price Hike has made Driving such a powerful Car very expensive on Daily basis, and what is the point of having a good car if you cannot enjoy the drive, so i was thinking if there was any way that i can get my car fitted with the best CNG kit and enjoy my drive without any penalty on performance.

@ Abhik: I have gone through almost each & every post on CNG before posting this topic and havent found anything useful for me that is the reason why i posted this thread. Thanks.

6th June 2008, 23:06

Quote:

Originally Posted by wolfinstein

You would need a ECU Remap, to negate the extra Air reading...!

or you could try and get a standalone ECU, and keep the stock ecu stashed away in case you need it later.

5th June 2008, 22:00	#1
Arpit BHPian Join Date: May 2008 Location: NOIDA Posts: 50 Thanked: 6 Times	CNG + Turbocharger I know most of you will have the following Reactions but still i am very keen on knowing the Technical Implications of installing a CNG Kit in an Octavia RS, so please be kind enough to shed some Light on this topic. The Pros, Cons, Modifications required to carry out such installation. Last edited by GTO : 6th June 2008 at 17:42. Reason: Only 2 smilies per post please
	() Thanks

5th June 2008, 23:54	#2
iraghava Senior - BHPian Join Date: Oct 2005 Location: Bhaiyyaland Posts: 7,993 Thanked: 281 Times View My Garage	Well a fellow member neo_trace has had the same mod done to his Baleno. Search for his posts here or PM him.
	() Thanks

6th June 2008, 00:14	#3
nitrous Senior - BHPian Join Date: May 2004 Location: UAE/Lon/Madras Posts: 6,964 Thanked: 333 Times View My Garage	Is it possible? Definitely Yes. Would I recommend doing it? a BIG NO! For one simple reason that Skoda/VW engine parts in India cost a BOMB. If you still want to go ahead, You will need a sequential CNG injection kit which should be good enough for 175-180 bhp and the fuelling should be pucca. Run a turbo engine lean is something which will make you cry tears of blood.
	() Thanks

6th June 2008, 08:00	#6
ananthkamath Senior - BHPian Join Date: Jul 2005 Location: Mangalore Posts: 1,209 Thanked: 82 Times View My Garage	IF you have full control over the mixture I don't see why there are any disadvantages? CNG has an octane rating around 110-130 (this high variability is one of its disadvantages though its still higher than petrol) and burns much cleaner. You can easily run 5-7 degrees more ignition advance at peak torque keeping everything else the same. This translates directly into a 5-10% increase in torque.
	() Thanks

6th June 2008, 08:22	#7
kutlee Senior - BHPian Join Date: Jul 2005 Location: Hyderabad Posts: 1,141 Thanked: 233 Times View My Garage	As far as technicality is the factor, basically anything is possible. Pros...might save fuel cost. Cons - a lot of work. Has anyone done this before? Availability of fuel partucularly on a long drive can be a problem. Even finding LPG is difficult.
	() Thanks

6th June 2008, 08:41	#8
vinayvtec BHPian Join Date: Apr 2008 Location: Bangalore Posts: 390 Thanked: 10 Times View My Garage	Hi Arpit, you have a great car and why do you want to have a CNG kit for that? RS is to have the pleasure of the drive.. you need to feel every sec of what you spend in a turbocharged car, if you are planning to save the fuel and want to do something wakey then do it on some other small size car and not on a India's fastest car. I dont want to see an RS in Pics of weird and wacky mod jobs thread....
	() Thanks

6th June 2008, 08:44	#9
vinayvtec BHPian Join Date: Apr 2008 Location: Bangalore Posts: 390 Thanked: 10 Times View My Garage	[quote=IronWolf;855982]Yes I do have the above reactions. CNG? on a RS? Why? the 5 RS price rise? Turbocharged cars as far as I know dont run lean. running a TC on Gas is not at all advisable. Buddy, his Location is NOIDA and the 5 Rs hike is in bangalore..
	() Thanks

6th June 2008, 15:51	#10
abhik BHPian Join Date: Aug 2007 Location: New Delhi Posts: 847 Thanked: 13 Times View My Garage	Turbo + CNG a very very good option. My CNG fitter fitted a vRS in front of me and it runs like a bomb! The owner had a BIG smile on his face after a test drive after CNG fitment. Google will also help you and so will Wikipedia.
	() Thanks

6th June 2008, 15:53	#11
abhik BHPian Join Date: Aug 2007 Location: New Delhi Posts: 847 Thanked: 13 Times View My Garage	Read the other posts on Modifications and Accesories for more info on CNG and performance mods on CNG.
	() Thanks

6th June 2008, 20:41	#13
wolfinstein BHPian Join Date: Feb 2006 Location: New Delhi Posts: 994 Thanked: 20 Times	You would need a ECU Remap, to negate the extra Air reading...!
	() Thanks

6th June 2008, 21:03	#14
Arpit BHPian Join Date: May 2008 Location: NOIDA Posts: 50 Thanked: 6 Times	@ Nitrous: I know Skoda parts are expensive in India, but the recent fuel Price Hike has made Driving such a powerful Car very expensive on Daily basis, and what is the point of having a good car if you cannot enjoy the drive, so i was thinking if there was any way that i can get my car fitted with the best CNG kit and enjoy my drive without any penalty on performance. @ Abhik: I have gone through almost each & every post on CNG before posting this topic and havent found anything useful for me that is the reason why i posted this thread. Thanks.
	() Thanks