Performance Mods for CNG Cars

Screwdriva · 30th June 2009, 14:05

Do the following. . .It should solve your problem:

1) Buy "System G" fuel additive from a good Petrol pump

2) Pour 1/2 the bottle into the Petrol tank when it is nearly EMPTY. It's important you do this when its almost empty and use half the bottle and not the prescribed dosage.

3) Fill your tank with normal 87 Octane Petrol

4) Drive the car at high RPMs. Delay your gear upshifts longer.

5) After the fuel is almost empty again, switch to CNG and drive to enjoy

6) Invest in a K&N Air Filter. Worth its cost in performance improvement in CNG and reduction in long term costs.

ashthedivx · 30th June 2009, 14:35

Quote:

Originally Posted by panky12345

Got the air filter cleaned recently..

the jerking happens when I try to accelerate at a faster pace than usual.. if I do it gradually, then it's not a problem.

any pointers?

Looks like low CNG availability at the time of accelerating, usually caused due to less opened CNG valve. Experiment with opening the valve a bit more, it should solve the problem.

Have you tried acclerating car > 2500 RPM without AC ??

panky12345 · 30th June 2009, 15:56

Quote:

Originally Posted by Screwdriva

1. Fill your tank with normal 87 Octane Petrol

2. Invest in a K&N Air Filter. Worth its cost in performance improvement in CNG and reduction in long term costs.

1. Fill the tank to full or how many litres of petrol?

2. From what I gathered speaking to one of the fellow members here that K&N stock replacement will not help a tata indica DIESEL much and he recommended sticking to OEM stock filters.. (mind you here that the guy is a dealer of K&N). So, advice taken.. I dont know much about the performance in CNG/Petrol modes.

Also, can you please shed more light as to on what principles are you recommending this whole process? I mean what is the logic behind this whole thing?

Quote:

Originally Posted by ashthedivx

1. Looks like low CNG availability at the time of accelerating, usually caused due to less opened CNG valve. Experiment with opening the valve a bit more, it should solve the problem.

2. Have you tried acclerating car > 2500 RPM without AC ??

1. Is it a DIY? mine is a BRC sequential and I absolutely dont have a clue about lambda

(trust thats only in closed loop whereas mine is sequential)

2. Yes, works fine without the AC.

Screwdriva · 1st July 2009, 01:54

1) Fill the tank with 30 odd litres.

2) With most normally aspirated (i.e. non turbo) diesel cars, I too would not recommend a K&N. Hardly any appreciable benefit at all because the car will hardly rev above 3500 rpm. However, CNG cars are MUCH more air intake dependent. Even the slightest increase in airflow should yield tangible results. Same with Turbocharged mills.

The additive combined with the petrol will clean your block, lubricate the upper cylinder and "wet" it, increasing it's "free-ness".

ashthedivx also has a point. It could be a CNG injection problem as well. If what I've described doesn't work, I'd have my CNG service guys start there. Till then, perform this additive treatment and save up for a K&N

panky12345 · 1st July 2009, 10:03

Quote:

Originally Posted by Screwdriva

2) With most normally aspirated (i.e. non turbo) diesel cars, I too would not recommend a K&N.

Thanks for the answers buddy!

Actually, the car in question for a K&N is my Tata Indigo deisel TDI! Forget redlining ever..I drive my car mostly in 50-70 only.

ashthedivx · 1st July 2009, 11:35

Quote:

Originally Posted by panky12345

1. Is it a DIY? mine is a BRC sequential and I absolutely dont have a clue about lambda

(trust thats only in closed loop whereas mine is sequential)

2. Yes, works fine without the AC.

1. Do not touch if you aren't familiar with kit's working !! Catch hold of your installer for doing the job. IN ANY CASE DO NOT GO TO ROAD SIDE INSTALLER, SEQUENTIAL IS AIN'T A TOY WHICH EVERY ONE CAN HANDLE.

2. Looks like it is mere tuning problem. Have a visit to installer it will be resolved. Your car is tuned for winter season

Best of luck

panky12345 · 1st July 2009, 12:55

Quote:

Originally Posted by ashthedivx

Your car is tuned for winter season

Best of luck

Preciously.. thanks a lot!

Turbo Head · 22nd August 2009, 17:20

I have installed K & N filter in my SX4 fitted with Lovato CNG kit along with Lambda and TAP. It is driving very smoothly and pick up has also increased a bit.
However due to lack of space (and constraints due to certain sensor settings), it is sucking hot air from engine.
I'll post the pics of the engine bay and seek your suggestions and inputs.

Turbo Head · 25th August 2009, 13:20

Bump, Any suggestions everyone.
Will installing an Apollo kit help (it would be 5k more over my 7k investment) ?
Please suggest as I have to make my decision

narry · 25th August 2009, 22:05

hi
1 friend from romania has made a special ignition for all cng and lpg
coverted cars
it cost approx 68 usd
he claims if fittted to a car there is no diffrence between petrol and gas cars
i can send sample to anybody interested
regards
narry

ashthedivx · 26th August 2009, 10:51

Quote:

Originally Posted by Turbo Head

I'll post the pics of the engine bay and seek your suggestions and inputs.

Quote:

Originally Posted by Turbo Head

Bump, Any suggestions everyone.
Will installing an Apollo kit help (it would be 5k more over my 7k investment) ?
Please suggest as I have to make my decision

Kindly post picture for better understanding mate.

Quote:

Originally Posted by narry

hi
1 friend from romania has made a special ignition for all cng and lpg
coverted cars
it cost approx 68 usd
he claims if fittted to a car there is no diffrence between petrol and gas cars
i can send sample to anybody interested
regards
narry

Can you fwd the details for the same ??

maglev · 3rd April 2010, 02:29

Guys can you please post information about the brand and installer of the CNG kits being used by you.

I will be converting my Ritz LXI to CNG shortly. So tips / suggestions / advice are welcome.

Trust_In_Thrust · 3rd April 2010, 13:02

HAs anyone heard of Tomasettoo Achille CNg kit .
I have seen two kinds one from Italy and other from Argentina .
T.A Gas Technology - Tomasetto Achille : Argentina
Tomasetto Achille S.p.a.Tomasetto Achille S.p.a. Vicenza, components for cng and lpg equipments for cars : Italy

Are both companies alright .
Also is Lamda worth it .
Does anyone has a Installation manual for Tomasetto Made in Italy KIt , Lamda , Advancer ?

Regards

ashthedivx · 3rd April 2010, 13:27

Quote:

Originally Posted by maglev

Guys can you please post information about the brand and installer of the CNG kits being used by you.

I will be converting my Ritz LXI to CNG shortly. So tips / suggestions / advice are welcome.

Well, I would suggest to corss-check if installation will void your warranty or not. Usually, CNG installation from dealer do not void the warranty of the car. I undesratnd, they do looks costly by 10K or so, but frankly speaking you do not have any other option apart from the same to avoid voiding your current warranty.

Quote:

Originally Posted by Trust_In_Thrust

HAs anyone heard of Tomasettoo Achille CNg kit .
I have seen two kinds one from Italy and other from Argentina .
T.A Gas Technology - Tomasetto Achille : Argentina
Tomasetto Achille S.p.a.Tomasetto Achille S.p.a. Vicenza, components for cng and lpg equipments for cars : Italy

Are both companies alright .
Also is Lamda worth it .
Does anyone has a Installation manual for Tomasetto Made in Italy KIt , Lamda , Advancer ?

Regards

Tomasetto is the cheapest one of the lot and being installed to many veichles now-a-days as they cost lowest one.

Which car are you planning to convert into CNG ??

Torque-ative · 3rd April 2010, 14:35

What an Qxymoron,..!?

First you spend more money than for a petrol car to convert it to CNG.
Then you spend even more money on perfromance mods to make it perform like a petrol car D,Huh ?!

Is'nt it simpler to to just retain your stock petrol car ?
The engine will probably last longer as well, since it would be running lower revs on an average than CNG.

30th June 2009, 14:05	#226
Screwdriva BHPian Join Date: Apr 2008 Location: London/ Bombay Posts: 582 Thanked: 527 Times View My Garage	Advice Do the following. . .It should solve your problem: 1) Buy "System G" fuel additive from a good Petrol pump 2) Pour 1/2 the bottle into the Petrol tank when it is nearly EMPTY. It's important you do this when its almost empty and use half the bottle and not the prescribed dosage. 3) Fill your tank with normal 87 Octane Petrol 4) Drive the car at high RPMs. Delay your gear upshifts longer. 5) After the fuel is almost empty again, switch to CNG and drive to enjoy 6) Invest in a K&N Air Filter. Worth its cost in performance improvement in CNG and reduction in long term costs.
	() Thanks

1st July 2009, 01:54	#229
Screwdriva BHPian Join Date: Apr 2008 Location: London/ Bombay Posts: 582 Thanked: 527 Times View My Garage	A's 1) Fill the tank with 30 odd litres. 2) With most normally aspirated (i.e. non turbo) diesel cars, I too would not recommend a K&N. Hardly any appreciable benefit at all because the car will hardly rev above 3500 rpm. However, CNG cars are MUCH more air intake dependent. Even the slightest increase in airflow should yield tangible results. Same with Turbocharged mills. The additive combined with the petrol will clean your block, lubricate the upper cylinder and "wet" it, increasing it's "free-ness". ashthedivx also has a point. It could be a CNG injection problem as well. If what I've described doesn't work, I'd have my CNG service guys start there. Till then, perform this additive treatment and save up for a K&N
	() Thanks

22nd August 2009, 17:20	#233
Turbo Head BHPian Join Date: Nov 2007 Location: New Delhi Posts: 322 Thanked: 215 Times	I have installed K & N filter in my SX4 fitted with Lovato CNG kit along with Lambda and TAP. It is driving very smoothly and pick up has also increased a bit. However due to lack of space (and constraints due to certain sensor settings), it is sucking hot air from engine. I'll post the pics of the engine bay and seek your suggestions and inputs.
	() Thanks

25th August 2009, 13:20	#234
Turbo Head BHPian Join Date: Nov 2007 Location: New Delhi Posts: 322 Thanked: 215 Times	Bump, Any suggestions everyone. Will installing an Apollo kit help (it would be 5k more over my 7k investment) ? Please suggest as I have to make my decision
	() Thanks

25th August 2009, 22:05	#235
narry BANNED Join Date: Nov 2007 Location: shenzen Posts: 154 Thanked: 25 Times	one freind has made a special ignition for gas cars hi 1 friend from romania has made a special ignition for all cng and lpg coverted cars it cost approx 68 usd he claims if fittted to a car there is no diffrence between petrol and gas cars i can send sample to anybody interested regards narry
	() Thanks

3rd April 2010, 02:29	#237
maglev BHPian Join Date: Nov 2008 Location: New Delhi Posts: 840 Thanked: 153 Times View My Garage	Guys can you please post information about the brand and installer of the CNG kits being used by you. I will be converting my Ritz LXI to CNG shortly. So tips / suggestions / advice are welcome.
	() Thanks

3rd April 2010, 13:02	#238
Trust_In_Thrust BANNED Join Date: Nov 2008 Location: New Delhi Posts: 768 Thanked: 349 Times	HAs anyone heard of Tomasettoo Achille CNg kit . I have seen two kinds one from Italy and other from Argentina . T.A Gas Technology - Tomasetto Achille : Argentina Tomasetto Achille S.p.a.Tomasetto Achille S.p.a. Vicenza, components for cng and lpg equipments for cars : Italy Are both companies alright . Also is Lamda worth it . Does anyone has a Installation manual for Tomasetto Made in Italy KIt , Lamda , Advancer ? Regards
	() Thanks

3rd April 2010, 14:35	#240
Torque-ative BHPian Join Date: Dec 2006 Location: Jakarta Posts: 500 Thanked: 89 Times	What an Qxymoron,..!? First you spend more money than for a petrol car to convert it to CNG. Then you spend even more money on perfromance mods to make it perform like a petrol car D,Huh ?! Is'nt it simpler to to just retain your stock petrol car ? The engine will probably last longer as well, since it would be running lower revs on an average than CNG.
	() Thanks