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View Full Version : adding nitromethane to gasoline for 5b


Redbullrider111
02-26-2007, 07:53 AM
would adding a small amount(capful or less) of nitromethane fuel to a tank of gasoline fuel with the HPI baja 5b do anything powerwise or will it just hurt the motor. also if it doesnt hurt the motor will it eat the fuel line. if so is there any fuel line that is able to be used with nitro and gasoline alike.

suckfish
02-26-2007, 10:07 AM
well considering the Baja runs on gas, i wouldnt think it would harm anythng other than gumming up in fuel.. why not just buy a bottle of Octane Boost..

Y2KGTP
02-26-2007, 12:01 PM
Your better off buying an after market pipe for a boost of power...I don't think octane boost will do much either.

If a 1300cc Suzuki runs best on 87 octane, I think your 23-26cc engine will be fine as well..... :D

Ball Racing
02-26-2007, 12:07 PM
Nitro methane does not mix with gas.(sure you can pour it together, and shake it)
You will need a richer needle setting when you run a oxygenated fuel such as methanol and nitro methane.

They have a nitro that mixes with gas but I believe it is a ethane, and not a methane...
and the motor does not have enough compression to need higher octane fuel..
It's flash point will be higher and not cause the flame front untl to late in the timing cycle causeing a actual loose in power.

A total converion to methanol would be best but you will need a differnt fuel pattern carb.

awnelson
02-26-2007, 12:52 PM
Increase the compression, re-jet the carb and run E85. It will use 30% more fuel than normal gasoline but run cooler and with more power due to the increased compression. Otherwise, leave it alone and just have fun. BTW, I thought you were done Redbullrider111? What's up with that; lemme guess, you missed us?

broncobill
02-26-2007, 03:38 PM
If you are looking for a little more power, run coleman fuel. Octane boost will decrease your power because you will not burn all the fuel in the cylinder. The higher the octane, the slower the burn. When gas is compressed, it becomes more explosive. High compression engines need the higher octane to stop pre-detonation. Our 23cc Baja engines are low compression. Coleman fuel is 50-55 octane. So with this fuel, you will get a more complete burn, thus more power. I hope I explained this good. If not, ask, and I will try better.

P.S. Add a tuned pipe, like the Jetpro V3, and that will increase your hp 1-1 1/2.

NORTEX-T1FK
02-26-2007, 03:46 PM
Increase the compression, re-jet the carb and run E85. It will use 30% more fuel than normal gasoline but run cooler and with more power due to the increased compression. Otherwise, leave it alone and just have fun. BTW, I thought you were done Redbullrider111? What's up with that; lemme guess, you missed us?Raising the compression to run E85 is like not doing anything but putting reagular gas in it now except he will have less money in his pocket. E85 creates less BTUs when burned resulting in less power. Raising the compression will cause an increse in power due to...well higher compression.

So E85 + raised compression= Broke wallet and no boost in performance.


Just put some VP 105 octane in it and call it good!

Redbullrider111
02-26-2007, 06:47 PM
well i was just wondering this because i still have a gallon of sidewinder 30% nitro and wondered if it would do anything when added to the gas mix....
and awnelson, i was just wondering because im thinking about coming back to rc. paintball is expensive always having to buy paint at $60 a case and air. and shooting a case in less than 5 mins is very expensive

Ball Racing
02-26-2007, 07:02 PM
Just put some VP 105 octane in it and call it good!

That cost more than E85
and 105 octane is way way to much octane..
Just because drag racers use it, doesn't mean it makes power..........

glassdoctor
02-26-2007, 07:48 PM
As explained already... high octane yields less power. Lower octane = more power.

I don't know how much this Coleman fuel is, but I like the sound of it.. maybe mix it 50/50 with regular 87 gasoline for a cheaper fuel with a little extra kick.

Then add the tuned pipe..

awnelson
02-26-2007, 09:20 PM
Octane is a rating of the fuels ability to resist knocking or predetonating. It is required for engines that have higher compression. The flammability of fuel isn't affected by octane ratings but in order to build more power, higher compression or some form of boost is needed. Also, E85 will burn cooler than race gas at 105 octane and at a much lower cost. Please don't anyone try and post about jet "A" fuel being faster than high test airplane fuel. It doesn't work that way, coleman kerosene fuel won't fire as well as gasoline and there isn't enough spark or compression to fire it anyway. I think that by going with the tuned pipe and sticking with gas out of the pump, a person could be plenty happy with not having to tune and tune and retune an engine and once that has been completed have to refuel the nitro fuel tank. Just run it the way it was intended and you won't be replacing internals on a weedwacker motor.

rccardude04
02-26-2007, 09:55 PM
Or you could get a pipe. I saw one with a pipe and it made a HUGE difference.
-Eric

broncobill
02-27-2007, 03:49 PM
Awnelson, I have to disagree with you on the coleman fuel. It is the only fuel I have run in my Baja since it was new. It yeilds more power because you get a more complete burn of the fuel. I am not saying you get a huge increase in power, but there is some.

psiturbo
02-27-2007, 05:55 PM
By the way, I saw somewhere a video of a RC freak who made a nitrous Savage and I mean literally using a small portable NOS bottle. He linked it that it would engage everytime he would have the trigger at full sweep or throttle. That would be cool to see. Some kind of Nitrous B5 activated by the signal of a 3rd servo.

smokinoutlaw
02-28-2007, 12:31 AM
Just a word of warning, I had a cheap blower once that I added nitro-methane (glow fuel) to the gas mix, let's just say glow fuel in a hot combustion engine is a pain in the butt to shut off.

My post for the year. :D