Nitrous

**Bludger** · 09-12-2008 05:27 PM

Originally Posted by Type S Tony

Hi Everyone,

I tried searching for information in relation to fitting a nitrous kit on a k20z but couldnt really find much in the forums. Except for something on a fuel pump???

So my question is: Is it worth fitting a nitrous kit (Dry) on a standard k20z with no mods whatsoever, Could the engine handle it? is a 100hp shot overkill???

I have asked many mechanics & other enthusiasts but have had lots of mixed responses, some say itll blow the motor, others say it will work well, and a few just look at me and say "Thats Hectic"

Can anyone help me out and point me in the right direction??

Im sorry if their is a similar thread i honestly couldnt find it!

Please also note the same question has been posted on hondatech.com for a while now with no responses, I dont think to many people use that site????

if you can't find any information, it means there is no one that has done it before.

you do it 1st, be the inovator. then tell us how you go.

so others can learn from your experience

**beeza** · 09-12-2008 06:01 PM

You would think the yanks have done it...

**aaronng** · 09-12-2008 07:30 PM

I'm sure they have. They add nitrous to everything, including their ride-on lawnmowers.

**beeza** · 09-12-2008 08:14 PM

ahahahaha so true ahahahahaa.Nice nice nice!!!!!!

**NSPYRE** · 09-12-2008 08:39 PM

to the OP:

i went thru the idea of a nitrous setup for my teg and i'll share some few key points which u may or may not know to help u along.

rule of thumb with a nitrous setup is no more than 20 shot per cylinder (therefore a 75 shot is optimal) wen used on a stock engine. a wet system is the way to go as you will always get an optimal mix of nitrogen and petrol without the high costs involved with direct-port injection. like a turbo setup, u dont want to be caught running lean so upgrade ur fuel pump (walbro is good and only set u bak around $150), as mentioned before retarding timing is not a bad idea and also use a colder set of spark plugs. also u may want to look for an after market limiter as u dont want to be hitting ur red-line and getting a fuel cut. something like a Bee*R limiter will do the job.

ur standard ECU will be fine and the standard fuel maps can be used.

other basic tips are only use at WOT - most systems come with a window switch to do this. at partial throttle, u may get puddling/pooling in ur intake manifold and u may get the famous "omg, my engine blew up using NAWSSSS" which of course is just caused from the pooling and back fire.

nitrous systems work well and are perfectly safe so long as u follow correct guide lines. a friend of mine scored 158kw @ the wheels on his B18C2 with stock internals. only downside of course is having to re-fill the bottle wen u get addicted to the happy gas

**beeza** · 09-12-2008 09:01 PM

What do you mean when you say only 20 shots per cylinder,therefore a 75 shot is optimal?

How long does it last once you press the button?

**Type S Tony** · 10-12-2008 09:24 AM

Originally Posted by NSPYRE

to the OP:

i went thru the idea of a nitrous setup for my teg and i'll share some few key points which u may or may not know to help u along.

rule of thumb with a nitrous setup is no more than 20 shot per cylinder (therefore a 75 shot is optimal) wen used on a stock engine. a wet system is the way to go as you will always get an optimal mix of nitrogen and petrol without the high costs involved with direct-port injection. like a turbo setup, u dont want to be caught running lean so upgrade ur fuel pump (walbro is good and only set u bak around $150), as mentioned before retarding timing is not a bad idea and also use a colder set of spark plugs. also u may want to look for an after market limiter as u dont want to be hitting ur red-line and getting a fuel cut. something like a Bee*R limiter will do the job.

ur standard ECU will be fine and the standard fuel maps can be used.

other basic tips are only use at WOT - most systems come with a window switch to do this. at partial throttle, u may get puddling/pooling in ur intake manifold and u may get the famous "omg, my engine blew up using NAWSSSS" which of course is just caused from the pooling and back fire.

nitrous systems work well and are perfectly safe so long as u follow correct guide lines. a friend of mine scored 158kw @ the wheels on his B18C2 with stock internals. only downside of course is having to re-fill the bottle wen u get addicted to the happy gas

Thanks for that, Very helpfull information. the WOT set up sounds like the way 2 go as ur right, high Compression engine and Nitrous puddles = F**CK.

Do U think that the aftermarket limiter is necessary, I mean if ur hitting Nos at lets say WOT @ 5000rpm just before v-tech, you should be able to change in time before you hit limiter right??

Will post a few kits up that im currently looking at!

**aaronng** · 10-12-2008 12:55 PM

Originally Posted by beeza

What do you mean when you say only 20 shots per cylinder,therefore a 75 shot is optimal?

How long does it last once you press the button?

20 x 4 cylinder = 80 shot. So 75 shot is optimal.

It lasts as long as the switch is flicked or the button is held down until the tank is emptied.

**beeza** · 10-12-2008 02:08 PM

I need to read up on how they work,still confused lol

**aaronng** · 10-12-2008 02:49 PM

Originally Posted by beeza

I need to read up on how they work,still confused lol

It's an N2O gas which you add into your intake manifold with added fuel. When heated up, it becomes N2 and O2. The O2 is essentially additional air for combustion. That's why wet setups are safer because the N2O is added with extra fuel to burn with the extra O2 that is released.