Author Topic: nitrous cb550  (Read 15503 times)

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Offline cb550choppa

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Re: nitrous cb550
« Reply #100 on: August 13, 2012, 07:00:08 PM »
i actualy havent finished wiring it yet i want to put a purge valve on it to up the useless cool value lol, and im either going to put a micro switch on the carbs or im going to put a button on the very top of the suicide #$%* like on a revtech powered prostreet i helped put together i hit the 50 shot on that 100 rwhp bike that was a trip it spun tire at 40, and i wasnt hurt on that lol, i believe no2 is probly the most misunderstood power adder ever the funniest thing i this is when people try telling me its flamable lol 
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Offline phil71

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Re: nitrous cb550
« Reply #101 on: August 13, 2012, 10:23:41 PM »
You going to gravity feed the fuel solenoid?

Offline cb550choppa

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Re: nitrous cb550
« Reply #102 on: August 14, 2012, 04:07:03 AM »
no i have a electric fuel pump thats under the seat you cant see, its a 5 psi pump should be enough since thats whats on the pro street bike we put no2 on
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Offline Syscrush

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Re: nitrous cb550
« Reply #103 on: August 14, 2012, 04:55:30 AM »
im going to put a button on the very top of the suicide #$%* like on a revtech powered prostreet i helped put together
This sounds like the right way to go.  Silly and a bit crazy, that suicide shift will earn its name. :)
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There's nothing more expensive than a free bike...
FWIW, I'm not a shill for Race Tech - I've just got a thing for good suspension and the RTCE's are the most cost-effective mod for these old damping rod front ends.

Offline unitedguitar

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Re: nitrous cb550
« Reply #104 on: August 14, 2012, 07:36:34 AM »
For some reason people know that it requires more fuel to run nitrous but they don't understand how you get that extra fuel. As choppa has said and shown with his pics there is a sprayer attached to each intake runner. On the exterior end of the sprayer are two inlets. One inlet is for the nitrous and the other is for fuel. When the Go Baby Go button is pushed two solenoids are activated. One solenoid is connected to the nitrous and the other to the fuel. (Catching a theme here?) The two solenoids allow the nitrous and fuel to pass into the intake runners and subsequently into the engine. Now for the really scientific part. Nitrous is not a magical horse power booster. It is a scientifically proven means of adding temporary horse power to an engine. How does it work? Well, nitrous oxide (also known as dinitrogen monoxide) being comprised of two parts nitrogen and one part oxygen (hence the N2O), is and oxidizer. That means it adds oxygen to the mix. What this does for the engine is allow it to burn more fuel than with just normal air. So the idea is, if we have more oxygen which is required for combustion, then we can burn more fuel which will make more power. The nitrogen really has no use to the engine other than helping to create the N2O.

Where I think people get the wrong idea is that they don't really understand how it works. Yes the cars on the fast and Furious movies used 150 shots and larger of nitrous. No a CB 550 would not be able to handle a 150 shot. However a 10 shot would be fine and the 25 shot that choppa plans to use will probably be ok. In the long run it will reduce the life expectancy of the engine, but this is true for any horsepower adder. It would be no worse for the engine in the long run than running a blower or a turbo.

Research is the key to understanding how it all works and it seems that choppa has done at least a little research. I for one am very interested to see how it works out.
Ben Whitener

Offline Syscrush

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Re: nitrous cb550
« Reply #105 on: August 14, 2012, 07:45:50 AM »
The nitrogen really has no use to the engine other than helping to create the N2O.
The N keeps the O2 bound up before ignition, which is critical to preventing detonation.  If you sprayed straight O2 in there, the mix would be so reactive that the heat created during the compression stroke would cause detonation/preignition.  The N2 and O split up at higher temps (I think it's ~700F, but that's from memory) - higher than compression temps, lower than igntion temps.  When the plug fires and fuel starts burning, that releases O from the N2O, which as you noted oxidizes the reaction and allows the burning of the additional fuel.
Life is precious: wear your f'n helmet!
There's nothing more expensive than a free bike...
FWIW, I'm not a shill for Race Tech - I've just got a thing for good suspension and the RTCE's are the most cost-effective mod for these old damping rod front ends.

Offline cb550choppa

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Re: nitrous cb550
« Reply #106 on: August 14, 2012, 03:54:58 PM »
not really "research" more like trail and error ive put nitrous on alot of stuff from snomobiles to mustangs to big lifted broncos to harleys, the kit thats on my bike is from a 75 sportster i had all chopped up, yes i blew the iron head up but it was alot of nitrous and alot of abuse, ive had my cb since i was 15 and i feel it was time to strap a bottle to that, i have an extra motor but honestly i dont see a failure im smarter with nitrous cause ive done all the wrong things before ive had the bike going on 11 years and i love it its not fast its not great but i wouldnt sell it for anything when im too old to ride it i will hag it from the roof in my garage
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Offline xnewmanx

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Re: nitrous cb550
« Reply #107 on: August 14, 2012, 07:47:34 PM »
This thing is so ratty.  Love it.

Offline luap

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Re: nitrous cb550
« Reply #108 on: August 14, 2012, 10:18:30 PM »
Wheres the new pic with the clapper tips. I dont know about Nos but could you possible be over jetted running a 125 have you tried dropping down to a 115 or 110
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Offline cb550choppa

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Re: nitrous cb550
« Reply #109 on: August 15, 2012, 04:12:54 AM »
i have a set of 100s im going to start there im sure ill need bigger but will give me a starting point again, ill have a new pic with clappers when i weld them and paint them planning on having them welded up today and if it stops raining ill paint them
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Offline unitedguitar

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Re: nitrous cb550
« Reply #110 on: August 15, 2012, 11:51:26 AM »
Thanks for the clarification there Syscrush. I forgot to put the part about the nitrogen being a binder for the oxygen. I just meant that the nitrogen doesn't actually add any power in and of itself. And you are absolutely correct, dumping pure O2 into the system would be very bad.
Ben Whitener