LPG Engine Vs Petrol Engine the Difference!! ||Engineer's Academy||
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- Опубліковано 26 сер 2024
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In this video we will learn the difference between the LPG Engine and petrol Engine.
Further As per the no. of strokes, 2 stroke & 4 stroke see the difference here, • Two Stroke Engine Vs F...
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It's was really an informative... Thank you
Can you share the details about mileage comparison...
Very informative. Thanks buddy. Saeed from Peshawar pakisttan
nice video.
leed and enveernonment are new words i,ve learned though.
LPG and CNG are different my boy. No one in India say that LPG fitted and CNG fitted engines are same. Educate with right knowledge!
exactly..
Buddy, I'm an lpg car owner. The same car can be used for CNG if a slight modification for vaporizer and electronic distribution is made.
Hence, there is nothing wrong in telling its LPG/CNG engine.
Regards ❤
Thanks.. #OneMessageFoundation
Thank you very nice
Very good information brother 👍
Thanke
Thanks for a very informative video. If you run a LPG engine to lean will this raise the exhaust temperature? Is it possible to run a tuned turbo engine on LPG?
Most likely
Well explained. Thanks
thanks this was very usefull after finding a cheap log conversion kit been looking for more info
Nice explanation 👍
Hi bro I am 14 years old and I love cars. Please make more videos on automobile engineering.
manas Nikhil sure bro.. i will make more interesting videos.. thanks for watching.
watch @Chrisfix channel... you will fall in love..
In the USA we don't use lead in the fuel or carburetors anymore, we use fuel injection. There is a lot of ethanol put in our fuel but some options still exist where you can get ethanol free fuel. I use 91 octane ethanol free in all my vehicles.
0pp)
Good job all the best
LPG or CNG which is Better???
1. LPG is been in India for 20long years, CNG on other hand is recently started coming less than 10yrs.
2. LPG is available any place even in remote areas, CNG is slowly started to rise up.
3. LPG is Litre based so a Technical Closer to normal Petrol, but CNG is Kg based and needs to fill up constantly (i.e) in 60litre Lpg nearly 550 to 600kms on a normal 15kmpl petrol car , as it carry 48litre, as on CNG 250km maximum can travel as the maximum kg that can carry is 10kgs
4. Torriodal Tank and Capsule Tank Available in LPG, but in CNG only Capsule Tank, so very limited Boot Space in Hatchback cars.
5. Installation cost is 35000 to 40000Rs LPG, but CNG 55000 to 60000Rs.
6. LPG cost 47rs per litre CNG cost 55 to 60rs and in Metro same as LPG. But in normal Town CNG is 12rs higher.
7. Weight of Tank is High in CNG (70kgs) as CNG tank is 1 Inch thick wall as it is Compressed Gas, but LPG is liquid , so the tank weight is less and after a Full Tank an 80kgs nearly will be there in Boot so SUSPENSION and Shock Absorber problem can occur, LPG is a bit lighter weight (1 Factor common to be checked is WEIGHT of CNG and LPG are same, so SUSPENSION Problem can occur and Tyre worn out soon in both.
LNG is the best option
petrol is a natural lubricant, thats why especially the valve train and here the valve and valves seats will have more wear and tear as in a patrol engine. that is why most engines without hardent valves are not recommended for use of lpg
also the combustion of lpg takes more time than from petrol, that is why the valves have to endure a longer periot of extreme heat and therefore have to be well tuned to transfer the heat quickly to the valveseats
petrol is not a lubricant , the lower wear is caused by the ash that is formed after burning the fuel this gives a dampening factor on the valve hitting the seat
LEAD also adds to valve seat life in engines with cast iron valve seat.
hey there, thanks for the insanely informative and great video
Ucz
A very assuring video. Please keep continue
Beautiful
Nice video mate
Please can I kindly know if it's best to convert my v6 engine to Lpg. I hope it won't affect the engine badly in anyway.
It's so informative video, thanks! I want to ask sth different. I'm from Turkey and lpg fueled cars are used more extensively in my country when compared to gasoline and diesel. It's just because lpg is cheaper than gasoline. However, everyone knows that lpg has less performance than gasoline especially in atmospheric engines for several reasons. This performance loss also exists in turbo engines but less than atmospheric ones. That's all I know. However, some lpg firms claim that lpg can give 10 hp more than gasoline. They show some dyno tests worked on Opel Astra 1.4 turbo sedan models as a proof. I wonder that is it possible technically or is there any trick to achieve that? Do you have any idea about this issue?
Because LPG has more octane than petrol it can be compressed more than petrol without detonation. Therefore if the engine is manufactured specially for LPG it can have a higher compression rate, say 1:12 instead of 1:10 in a petrol engine. An engine with higher compression is more efficient. On the other hand petrol has higher energy density than LPG (more kJ/kg), thus why a car converted from petrol to LPG will give less kilometres per litre than with petrol because is not compressing the mixture to its high potential, but a car built with the higher compression will be able to extract more power from the fuel.
Thanks @@malulo for your explanation. I see that engines manufactured for LPG can produce higher power. However, the car that I've already mentioned in my commend is manufactured for petrol and a lpg conversion kit is installed on it. Just think about it: You have two Opel Astra 1.4 turbo sedan cars. You installed a LPG system on one of them. The other one is just normal. Is it possible that the LPG car has more power than normal one somehow?
@@damlasenacakr1992 Turbo charged cars can develop more power because they use the exhaust gases to power a turbine (this is where turbo comes from) which in turn drives a compressor that injects more air to the engine and as you have more air, you can have more fuel (be petrol, diesel, gas, etc.), so for the same cubic centimetres of the engine you can have more power, but you are using more fuel.
@@malulo not exactly, turbo increases power, also makes more efficient and saves fuel. It doesn’t increases fuel compare to power produce.
Then why lpg run engine pickup is decreased permanently even when running on petrol?
You missed a point where petrol car fitted with external lpg kit and it impact. Pls clarify
the octain rating of petrol is 95 to 102, that 81 stuff is american and another form off measurement
I realize it's pretty off topic but do anybody know of a good place to stream new movies online ?
@Cooper Frederick lately I have been using flixzone. You can find it by googling :)
@Kevin Drew definitely, I have been using FlixZone for since april myself :D
@Kevin Drew Thanks, I signed up and it seems like they got a lot of movies there :) Appreciate it!
@Cooper Frederick you are welcome :D
Hi,
Could you please let me know what are all the precautions need to take care while using driving with lpg mode.?
Thanks
Most critical thing is fuel up 80% of fuel tank only
if an engine "knocks" it is nearly done for, modern engines dont have such problems, because they are direct fuel injected
in addition an engine has many safety makenisms for prevending a knock, like the ignition timing, fuel to air ratio, lower boost from the turbo or charger, opening the in or outlet valves earlier or later and so on
lead is banned in nearly all country for around 20 years now, in germany for example, you are not allowed to use lead added gas since 1996 there are other additives which will solve that issue
Mechanics say
That lpg running disceese engine life,
And mileage of lpg is less than petrol
And lpg engine pickup also less than petrol
What’s true?
I missed the bit on the vaporizer how it functions, its extra uses other than the mixing of LPG and air. can you please shed more light
Lpg gas is compressed to a liquid
"Vaporizer" allows the liquid lpg to expand into a gas, this process uses lots of heat so the "vaporizer" is warmed by the radiator water
What is the difference between LPG & LNG fuelled engine for automobiles.
Few points; LPG is not the same as CNG, different gas; there should not be any lead in petrol since end of 80's; octane number should be 95+ since 90's; carburetors are not in use since late 80's, repleced by electronic injection (mpi, direct etc). Looks like you found a book from 80s about enignes 😂
nice thank you for the information
how the fuck man did you write that so neat and free hand that line wow tech ay ?
I have a ecolpi which is a manifold gas injection system 12:1 compression ratio and more power than the petrol engine.
The question is why has this been effectively banned?
Hi another video shows lpg dryes the engine and reduces its life plz explain which one is correct
When petrol passes over the oil rings, it washes out the lubricant film from the upper cylinder surface. It causes lack of lubricant which increases
wear and tear. So the life of petrol engine is less compare to LPG engine.
@@EngineersAcademy9204 How bad it is when somebody has a well confused concept in mind but still so confident to pretend teach that to everybody else??!!
I am not a mechanic and definitely not a master, but who ever owns or drive a Petrol car LPG converted and just a tiny bit of knowledge could tell how much will cost the car in extra maintenance in a long run! It's seams not your case! Like Bogdan Forsea comment correctly LPG is an extremely dry fuel, so less lubrication!
A poorly lubricated metal to metal moving parts creates higher friction.
Higher frictions, where I from, generates more heat.
Petrol engines are designed to operates best within a certain temperature, the LPG will rise the temperatures well above that point, resulting to an extra stress and faster deterioration of the cooling system, piston rings, spark plugs, exhaust valves, head gasket etc etc... all the concerning parts! Even the engine oil, can be noticed in LPG cars the engine oil keeps its clear color much longer because the gas leave almost no deposits back, in reality the oil yes results cleaner but not to be considered as in good condition, despite how it's look most probably that oil has lost all it's properties thanks to the abnormal high temperatures he must work with.
If to cover the distance from point A to B I need 10% more fuel burnt compare LPG to Petrol... that does not mean the engine it performs better! I went out with my friend last Friday we drunk a bottle of premium whisky and we come back home 04:00AM. I spent 50$. Saturday we went out again we drunk a bottle of NO NAME whisky my friend paid 10$ and we went back home 04:00AM. Why Sunday morning I woke up with a very bad headache but Saturday morning I felt good??? Because I am designed for Premium whisky...
LPG fuel it does shorten the lifespan of the petrol engines, however in most of the cases you may be able to save some money...especially if you convert a new vehicle and you sell it before 100k km, I won't buy that one!!!
Cheers
@@alexgreg1634 It's actually more complicated than that. Yes, LPG will not lubricate the engine whatsoever, however, what this guy is talking about (even though a lot of the information he provided is very wrong), is that the film of oil on the cylinder walls will not be washed off when running on LPG, which is true! Petrol will just take it off, and if you leave your car idling for longer, the petrol will mix a little with the oil, causing oil dillution. Oil stays much cleaner when running on LPG.
LPG burns slightly hotter, but that's not that big of a deal. Because it's so dry, it may cause damage to valves and valve seats, however, flash lube can help prevent this, and a good LPG-compatible engine won't really mind (a lot of engines are not really strong enough for LPG these days). This won't reduce the engine's life, though.
So in reality, a lot of LPG engines will eventually run longer because: LPG burns much cleaner and more completely, the oil stays cleaner, meaning better lubrication and since it's not injected as a liquid, it won't mix / wash off other lubricating liquids. If you look for used LPG cars, they're all gonna have extremely high mileage, that must mean something. Valves are the only weak spot, but good maintenance, pre-cautions, but more importantly; a suitable engine, can prevent all of this and make an LPG car run for longer than a petrol one.
Oh, and tuning. Your LPG systems needs to be tuned to perfection. And it'll run forever.
Vaporiser does not ix fuel & air. It only vaporises liquid to vapour
Maintenance cost
WIll LPG reduce the life of an Engine?
If it's tuned properly it will increase the engine lifespan
Depends on the engine. Some engines are just to weak for LPG. Make your homework visiting LPG forums and you found out what engines you can convert. You have to investigate before you invest! The other thing is the proper fine tuning at LPG done by a good expert. You have to make sure there is no poor mixture in any given time and your engine gonna have a looong life.
I need your indian accent to diss out anyone in nearby vicinity with the highest ordar!
Since when do we use leaded petrol, and you said nothing about the higher temperature on the valves which can burn them out quicker.
5:47 carburetor, my man is living in the 80s
bro lead fuel is long before gone and wear and tear of LPG engine is much more
Petrol engine vs cng engine please
Lead is NO LONGER ADDED to petrol fuel.
Mistakes are
1 in diesel like vehicle there is cetane number who decide how the vehicle run smoothly
Cetane number and octane number both are diffrent
2 mistake is lead is mixed to reduce knocking(unpleasant sound like in luna bike u can say) but uses of lead is dengerous for us caz it increses air pollution, and we know that lead is harmful fir our body. If any doubt then contact me
You have a few errors in this video. CNG is not LPG, petrol does not contain lead, most octane rating is higher than 81.
Does 'LPG Engine' apply to a petrol engine modified to run lpg?
Yes its a seperate kit.
Any petrol engine can be converted to LPG, no matter what there is a turbo engine or a naturally aspirated engine. The LPG injectors are connected to the engine by small holes in the engine's admission and you can control from a button inside the car, which fuel you wanna use.
Please note that it's very important that the engine starts only with petrol fuel (it will automatically pass to LPG when it reaches a good functioning temperature).
Avoid to hit hard the acceleration for long time while running on LPG (short kicks down are ok). And from time to time (I do this once per week), use petrol fuel for a few miles.
Bogdan Forsea Why is it bad to kick down the ecceleration on lpg ?
@@terazor4452 Hi Veteran! There is no issue in converting a V8 engine on LPG. The cost of the LPG kit will be higher in your case, as you will need large lpg pipes to ensure a proper quantity of LPG, 8 LPG injectors and high power evaporator. Also note that best LPG injectors are Barracuda (made in Poland), Hanna (not sure, I believe made in Japan) and Keihin (100% japanese).
I saw a lot of V6 and V8 cars with LPG (Porche, BMW, Honda, Ford), and they running just fine.
You must assume also a big LPG tank for a V8, as they are thirsty engines. I wouldn't reccomend a tank smaller than 100 liters.
That being said, I would evaluate the cost of an LPG kit for a V8 engine at approximately 1500$ with high quality components. If you use often high rpms in revs, I reccomend also a valve lubrication kit, but be aware to have the one which lubricates all valves (admission and exhaust), because most of the lubrication kits in the market are useless because they lubricate only admission valves, so exhaust valves will get fried in time and you will need to change all of them (admission + exthaust). I'm not sure how much is the cost for a lubrication kit, I don't use one since I try to push in high rpms only on petrol fuel.
The fuel economy you will get will be around 40%. An LPG inspection costs around 20-30$, once per year or at 10k miles.
From here you do the mathematics and try to figure if it's worths for you. Usually you get 100k miles or 5 years warranty for quality LPG kits (excluding regular services /inspections).
Regards!
@@terazor4452 if you don't push it in high rpms while running on LPG, expect over 100k miles or 150k kilometers without problems. I've had 5 cars on LPG, first was failing after 60k km, but I was very young and aggressive style of driving, second was failing after 80k km from the same reason, third car is still running ok on LPG, I sold it to one cousin and he has over 120k km with no problems, 4the car is still in my possession with 90k km on LPG without problems, 5th car still in my possession with 70k km on LPG without problems. Overall I would say that if you don't push it hard too often on LPG, you might get easily 150k km without any issue. On my first car on LPG I rebuilt the engine after it crashed for my constant aggressive driving, and it cost me around 1000$...so nothing too expensive.
In lpg cars only 10000km the spark plug is wear out. Not in petrol why
higher burning temperature
but LP engines are more hotter than petrol engines
good job bro , but pronounciation of lead is not right , correct pronunciation is layd
Yes sir kindly watch my latest videos !!
India still use leaded petrol?
im impressed they have cars 😂
LPG engine are very high response and rpm but low torque
hindi bolta to kitna gro hota tera channel
Diesel is higher in creatin rating
Diesel fuel is not measured by Octane ( which is a hydrocarbon not existing in Diesel fuel). When he said Octane and diesel I left the video.
Sliw down your speech and dont forget how many silabals in a word
Dazza as Its understandible you are just slow
I am putting lpg in my car nut some people are telling me that lpg gas does not lubricate the engine so engine with lpg get worst? Is it true? Im confused because I will use cooking gas !
Octane rating hahahhahaahahahhaha
Birdy num num.
In this video you can find some truth and some lies.
First of all, when running a car on GPL you won't have the same performance as on petrol. I estimate a 10% power loss.
I own 3 different cars with 3 different LPG kits on them. None of the cars can match it's own petrol performance when running on LPG.
Example 1: 2.0 Turbo petrol engine runs 60 mph in 9.2 seconds. On LPG runs in 10.5 seconds. On petrol each gear is going at 6500 rpm without any problem, but on LPG is blocks at 5700 rpm where the engine starts detonating and loose power.
Example 2: 1.4 naturally aspirated engine runs smoother on petrol compared to LPG. On LPG when I step on it hard at low rpms it shakes and detonates often until it reaches around 2500 rpm. Climbing a high hill at the mountain side is faster on petrol compared to LPG. If I have 4 passengers in the car and the AC turned on, the car is barely moving on LPG at low speeds.
There's something more I want to tell. Running on LPG will destroy your engine valves if you always use high rpms (rolling fast in inferior gears). It's mandatory that the engine runs on petrol from time to time and mandatory that the start up of the engine is done with petrol. Regards!
Thanks !!
Why is it mandatory to run the car on petrol from time to time and why is it mandatory to start a car on petrol then switch to lpg? Why? I cant find answer for this anywhere ,explain it dont just expect that we trust you blindly.
pierzi putere din doua motive.... calitate proasta a gpl-ului sau instalatiile nu sunt reglate bine.... sau ambele.... am vazut masini cu gpl care merg bine, fara nici. un fel de problema si am vazut masini, de fapt. doar. una, cu care daca pleci de pe loc doar din ambreiaj,motorul da sa moara(eu aic ca aici este de vina proprietarul, este un zgarcit cu bani, a pus releu sau ceva de genul ca sa nu mai mearga pompa cat timp motorul merge numai pe gpl pentru ca "un consumator in minus" si nu vrea sa se duca la o verificare la instalatie, undeva unde oamenii viseaza instalații de gpl pentru ca "este mai scump")....
@@pexydexi LPG has a dry burning and also the temperature generated by the LPG explosion is higher than regular petrol, mainly in high rpms. The engine admission and exhaust valves cannot support this high temperature for long time and the dry burning of LPG might affect them. I know there is not any proof that the LPG damages the engine, but I had other different cars running on LPG and quite all of them failed between 120-150k kilometers. My explanation is that I was younger and much more aggressive as a driver, keeping the cars mostly in high rpms and the LPG damaged my engine.
@@aLtta1 simptomele celor 2 mașini sunt total diferite, una pierde putere și detonează numai în turații mari (spre roșu, peste 5000 rpm), iar cealaltă are aproape aceleași simptome când sunt în turații mici și accelerez brusc.
Daca la prima mașină pot găsi o explicație cat de cat logică (conductele de gaz să fie puțin subdimensionate pt capacitatea și puterea motorului), la cea de a doua mașină, nimeni nu găsește o explicație viabilă (am pus bujii laser iridium, am schimbat bobinele, am dat volumul de gaz puțin mai mare, am pus cele mai scumpe filtre de gaz). Menționez că nu există erori permanente nici în ECU al masinii, nici în ECU al instalatiei de GPL. Atunci când dă în nas la turații mici, ECU mașinii înregistrează o eroare la senzorul de rotație motor, care nu rămâne permanentă ci intermitentă (doar pe gpl, pe benzină niciodată). Instalația e de generație nouă, destul de scumpă, nu m-am chitrosit la bani (mai scump m-au costat bujiile laser idirium și bobinele noi) :D
First learn pronounciation
Can we fill cng gas in lpg passing car ?
Yes.. its the same... Just like cng kit
@@EngineersAcademy9204 Thanks for guidance!
no
@@samirraut9536 there's a chance of tank explosion. Bcz CNG is stored at 2500psi and lpg at 35psi.
Backwash band karrrr no one has satisfied ur leacharing
WRONG WRONG WRONG VERY VERY WRONG
The way he speaks freaks me out
In what century ar eyou living? here we have only unleaded petrol.
Diesel engine has a lower knock than petrol? Seriously, diesel relies on detonation for its operation. Please check your basics.
Knock is a miss-timed detonation.
it's so difficult to learn this in your Indian accent. :(