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Guest Passatguy

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Guest Passatguy
All my car buds have nitrous on their cars, and can easily get into the 10's using stock stuff. Would this be a good thing to do on an engine?? When would I be able to use nos? right when I hit the gas? 1st gear? Would I blow the engine with 150shot? I have so many nitrous questions. Would it work in my field. just normal kick ass fun with the loacl rycers. they beat me in the new accord, I feel ashamed. I know nitrous would make me smoke them, but I dont know a lot about it. Would I have to do anything to the engine? prey it doesnt blow when I hit the button? let off the gas and then see and hear a booooom? what is the right set up? getting sick of all the new imports, want my car to be fast again.
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Guest stevil
All my car buds have nitrous on their cars, and can easily get into the 10's using stock stuff.
lmao :D I don't know what kind of cars your friends have, but I doubt 10s are that easy with nitrous. :rolleyes:

 

If you have high mileage, I wouldn't reccomend nitrous, since alot of it depends on strength of internal parts. Worn out, fatigued parts are more likely to cave in. Nitrous also helps weaken the parts alot quicker. Don't mess with nitrous unless you can afford to rebuild your engine.

 

The limits depend on the size of the engine, and what others with the same engine have done with good, safe results. Probably the most you'd spray: around 75 for a 4 banger, 100 on a 6 cylinder, and 150 on a V8. You'll need to run colder plugs and retard your timing with alot of nitrous, smaller shots you can probably get away with stock.

 

Usually you want to be at a fairly safe RPM before you use nitrous, like 3000 rpms for example. Or if it's a wet kit, you don't want to lose fuel pressure. You only want to use nitrous at full throttle. There are many saftey switches you can get to make sure those things don't happen, like a window switch to only activate the nitrous if it's between xxxx rpm and xxxx rpm. A fuel pressure safety switch, which will shut off the nitrous if the fuel pressure drops way off. And a WOT switch, which only activates the system at full throttle.

 

You need to read alot about nitrous, that will answer your questions. It's not something you really want to just jump into. I've never used nitrous either, but I probably will someday.

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get two bottles, the big ones... tongue.gif

 

seriously though, properly employed, nitrous is a cheap and effective way to add a fair amount of power to your engine. i'd suggest a little reading/research first though. a little reading now will save you a ton of headaches down the road... ;)

 

i wouldn't expect miracles with nitrous, unless you're willing to spend A LOT of money on both a high end nitrous system and a built engine...

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Do not even consider a dry shot if you have reliability concerns. This method adds the gas at the Throttle body and relies on the ECU to adjust fuel and timing, the delay is what gets ya plus the fact that equal distribution among the cylinders is not going to happen.

 

A direct port will add a proportionate amt of fuel with the N20 to keep things safer. Its more expensive though.

 

I wouldnt think of using N2O w/o race gas in my 4 banger.

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nitrous alone on a stock motor will not get you even close to 10's I've got a 100 shot on my truck

v6 and other misc mods and low 14's is the best it'll do. you get into reliability problems with stock bottom ends when you go over 20hp per cylinder. if decide to spray it get a wet kit its more forgiving on the engine if you mess up and spray at too low of an rpm or miss a shift.

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1st of are you putting this on the passat? assuming you are the motor can handle it just fine but there are a few things to consider. One a dry shot up to 50 is fine for the vr6 some people even run a 75. the fuel system is pretty apt at filling the need. You will want to get a 4bar fuel pressure regulator. Also there are a few companies that make n2o chips for the vr6 that will retard your timing and make it safer for your car to run. If you want to run a 100hp shot i would recomend a wet kit and the chip. check out giac as they have some pretty nice options based on the mods ur going to run on your car. How many miles are on your vr6? so long as they arent to high you shouldn't have to much trouble spraying it. But lastly once you get the kit on i would get it dynotuned with a wide band. Call up dynobrian and set yourself up cause the last thing you wanna do is run lean and pop your motor...unless of course you're looking to upgrade.

 

Kyle g.

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