Does anyone have injected oxygen (liquid or gas) directly into an engine before??
If yes, please share your experience..
Does anyone have injected oxygen (liquid or gas) directly into an engine before??
If yes, please share your experience..
Please elaborate more ? What is it?
Okies..
More oxygen means more combustion in an engine.. So people usually boost engines by injecting NOS directly into “intake manifold” which is a venturi behind the wall of combustion chamber.. I dont have NOS available in my city.. Or you can say Nitric Oxide is not easily available as it’s dangerous.. it’s also called laughing gas and has been used for anesthesia.. The reason people use NOS instead of oxygen is that oxygen burns rapidly under high temperature and pressure.. and so it combust before the already set ignition timing.. which causes detonation.. and that is very dangerous for piston and engine as it can punch the head of piston and tear it into pieces.. On the other hand NOS “Nitric Oxide System” is very useful in boosting engines.. because when NOS is injected, rather than combusting, nitrogen separates from oxygen, meanwhile, ignition gets ready to spark and extra available oxygen ignites the fuel with more power resulting in boosted power..
So, I’m going to inject oxygen directly.. retarding the ignition timing and lowering the manifold pressure will help to cope with the problem inshaALLAH..
Almost every engine can be boosted by NOS.. but yes I’m referring to car’s and bike’s engines..
I’m working on a bike’s engine right now.. will share the video soon inshaALLAH..
You mean you're making a bike engine from scratch or fixing / repairing it?
neither of them.. I bought an engine from junk.. it was 78cc, I turned it into approx 184cc.. So with more compression ratio and injecting oxygen the resulting horsepower will be like of 600cc.. ![]()
Yes, they are around 660cc..
An engine meant for under 100cc and you wanna juice it up to 600cc, how long would the engine block last at near full thrust, maybe an hour or so??
Atlast!! someone with technical brain..
Hello and welcome.. ![]()
It will last for 3 or maximum 5 runs of 2.5 kilometers each.. which will be around 10 or maybe 15 minutes excluding idle running.. but I’m more worried about aluminium crank case.. it can split into pieces as crank is not well balanced.. because I decreased big end pin size & bored out stroke’s centre.. which will be 22mm in total increased stroke.. ![]()
and guess what, bore x stroke will be 1:1
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OK, so it's just a garage project, I thought it would be something to transport wife and kids for daily grinds - that would be suicide by motorbike!
How's the project coming so far?
I am curious to know your reasoning for square engine? Why not oversquare if going for more power? A combo of NOS and oversquare should give enough punch in a much safer environment than using pure O2, but that's just my hunch and would be interesting to know what you think.
And talking about NOS vs O2 - NOS kits are readily available, much easier to install and pose far less danger cuz its mostly inert nitrogen than carrying bulky O2 cylinders which is highly combustible. The timing retardation required to keep tab on combustion would pretty much negate the theoretical advantages of using pure O2. What do you think?
Hello and welcome..
yes it’s just for a single race only.. actually it’s my first time jumping into a race.. though I’m not riding it and I’ve a rider.. and it’s All Punjab Championship.. so basically it’s a challenge for me..
Ok, now about the project, I am 3 to 4 days behind my schedule.. and mostly due to Ramadan as I work just 4 hours daily..
Good question.. There’s only 1 condition and that is the crank casing.. they dont allow modified or other engine casing.. so I cannot bore more.. & so to get more cc and hp I made it even undersquare with 68.6 mm stroke.. and guess what Toyota Corolla’s stroke is 71.3.. lol.. I even decreased 2 mm stroke.. still it’s massive..
Now NOS, so brother! I dont have anything available here relating to NOS.. and that Oxygen is gonna help me to get little bit of lacking HP due to air resistance.. the drag can be 28 to 34 psi at 150kmph at the given area of my rider and bike.. and 80 to 120 Pa of oxygen can help me acheive around 8 Hp which will be more than enough to touch redline..
Yes, thank you, I am already planning to retard cam timing.. also I am planning to electronically inject oxygen just 10 degrees before combustion..
Now about the overall progress.. I managed to modify the same crank which had 41.4mm of stroke to 68.6mm.. had a housing bore of 54mm including sleeve.. which I bored to 64mm and still trying to bore it down to 67mm as I have a Suzuki Cultus’ piston (64mm).. it will almost square the engine..
On the other hand, I got a 200cc carburetor with longer throttle body.. now I have to modify the intake manifold from tiny to 1.5 inch bent hose..
Tomorrow I will go for cylinder casting inshaALLAH.. I filled the air-fins with plaster of paris to get a bigger bore.. I hope not to get noticed..
That’s all for today.. I’ll keep updating..
Thank you for your time.. ![]()
Gwadar mai meri upar sai mangi hui car karni hai? Itnai chakk toa ho Kashmir.
Back to work.. I bought this pipe in Ramadan, but wasnt able to work on it..
There was alot of rust inside this pipe and I didnt have anything to clean it up from inside.. and it must be perfectly clean so that more than 2000 Psi of oxygen can put into this cylinder safely.. so I made some extensions for Pin Grinder that can go deep inside the pipe and clear the rusting/corrosion..
and in the last, alot of rust removed from the pipe..
But I still need to do alot of work to make it crystal clear, so I will soak it in Kerosene Oil tomorrow InshaALLAH..
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Atlast!! Got time to work on it, and hopefully complete it today inshaALLAH.. bought a bike from junk and gonna try on it.. Here’s the progress so far..

Hid it under the seat so no one can see it ![]()
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It’s done and bench tested it today and alhamdulillah it’s a success.. :yess: ![]()
and now the things I noticed when running rich on oxygen. So first of all, engine’s rpm raised as I slightly turned the knob “ON”, I think it’s because engine got free combustible air without much of a hard suction as oxygen was injected with 3000 PSI pressure which was going towards the directed carburetor.. On the other hand, as I opened the knob more, it started roaring and limiting the rev bombs. After that I slightly turned it more and got detonation, which was pretty known would happen. So I turned it back. In last, I killed the engine off and checked it’s temperature, which was like it came back from 100 miles run, lol.. It was just a 5 minutes test run though. However, need more testings for flaws..
OK [USER=“134058”]Hakuna Matata[/USER], that is quite commendable, however I think you are actually using NItrous Oxide Gas and Not Nitric Oxide Gas:
Looking at the formula, the difference between nitric and nitrous oxide is just one nitrogen atom — nitric oxide (NO) has one, while nitrous oxide (N[SUB]2[/SUB]O) has two. Both nitric and nitrous oxide are gases, but that one little atom makes a big difference chemically!
So which Gas are you using? ![]()
Neither nitrous nor nitric, I’m using oxygen directly ![]()
I tried it yesterday, but ran out of gas, so will be doing it again today inshaALLAH..