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Thread: Feedback From Those WIth Dry Nitrous Kits Reply to Thread
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Topic Review (Newest First)
12-31-2012 12:55 PM
focusmaniaczx3 dude just let the guy go. we have tried to tell him and he wont listen so just let him pop his engine. he doesnt understand that combination of ECU, injectors, and maf for the zetec dont support dry kits very well. the only way you are going to get enough fuel to safely run a dry kit will be to run bigger injectors and have a TUNE that pumps enough fuel to keep up with the nitrous. you will have to have a different tune for every different size shot you want to run and the car will run like shit when you are not on the bottle unless you change to a N/A non-nitrous tune. now that isnt all that different from how you would have to do it with a wet kit because you have to or at least you SHOULD change the tune for every different size shot. i never got tuned for nitrous and i probably made several hundred passes on a wet nitrous kit between 35 shot and 125 shot. never puddled the intake and never popped my motor because im not a moron. but here is the difference. with a wet kit you can drive the car around with the nitrous tune while you are off the bottle and it still runs very close to like normal. and with a wet kit you have less of a chance of leaning out and burning your engine. if you have an intermittent injector failure, which happens quite a bit with the zetec, then you will pop your engine. it only has to last for a few seconds to do serious engine damage. im not sure if anyone has figured out why, i know i haven't got a clue and ive tried to figure it out several times. sometimes the zetec will just stop firing an injector for a few seconds or minutes. sometimes if fails all together and sometimes it simply cuts it down by a percentage. i think it has something to do with the MAF and/or ECU because this problem stops with EXTENSIVE tuning and with a diablo MAFia. now with a wet kit you are still getting the additional fuel even if an injector stops working so you have longer to notice before you are in danger of popping the motor and if you play it smart and always run a bigger pill on the fuel side than the nitrous side and just run the kit rich then you dont have to worry at all. there is also the fact that a wet kit is EASIER to install on the zetec IMO. why the hell would you go to the trouble of tweaking in the wiring and risking messing up injectors and computer on your car with a venom kit when you can simply take 3 minutes to use a $15 fuel rail adapter from CFM and the provided hose to run additional fuel? i just cant wrap my head around why you would possibly want to run a dry kit when we are strait up telling you that it is SAFER and EASIER to run a wet kit. and it isnt like it costs that much more. how much were you planning to spend on that venom kit? hell ill sell you my old zex wet kit with a few bells and whistles if you need a nitrous kit that bad. im sorry if i come across as a dick sometimes but i dont like seeing people pointlessly risk blowing their cars up. at least at this point if you are fully informed and you can decide for yourself whether to listen or disregard us. all i ask is that you just dont run a dry kit.
12-28-2012 12:49 AM
AllOutZX2
Quote:
Originally Posted by PSUrivie View Post
Wet kit with the nozzle ~ 4-6 inches from the TB. You have a fuel system capable of 300+, but it is still returnless, correct? The stang guys might get away with it, but the Focus ECU is a different beast. Trust me, I played around with N2o for awhile on my car and the fuel system gets "quirky" at high RPM when spraying.

The wet kit is the safest way to go along with a GOOD TUNE.
Yes it is return less. If the fuel system is getting quirky i would suspect a pump reaching a duty cycle past 90 percent on spray, or fuel injectors reaching their max. I would also suspect the MAF reaching 5V.
12-27-2012 11:05 PM
PSUrivie Wet kit with the nozzle ~ 4-6 inches from the TB. You have a fuel system capable of 300+, but it is still returnless, correct? The stang guys might get away with it, but the Focus ECU is a different beast. Trust me, I played around with N2o for awhile on my car and the fuel system gets "quirky" at high RPM when spraying.

The wet kit is the safest way to go along with a GOOD TUNE.
12-27-2012 10:32 PM
AllOutZX2
Quote:
Originally Posted by koke'sfocus View Post
I respect ur choice of going with a dry kit but iirc I read that the focus mad didn't liked to be sprayed with anything and in the long run they failed but it's ur choice man idk if it's the same maf in the zx2 but I would go with a wet kit cause they r safer but it's ur call and ur car lol
Not a problem, Nitrous is Nitrous how it's injected and set-up is up to the owner and both can be just as safe. I'm getting feedback from multiple people I'm best off to add fuel by upping the injector pulse width and not to spray on the maf. Figures I got the idea from some Fox Body owners and figured if it worked for them it should work for us.

Glad I asked what other owners are doing.

I'm going to pull the trigger on the Venom VCN-1000 kit instead which adds fuel by pulsing the injectors based on the amount of nitrous being sprayed. They have a kit designed for the focus which i know works on the zx2 Zetec as well.

Makes no sense to spray Wet when I have a Fuel system capable of 300+whp.
12-27-2012 08:48 PM
koke'sfocus
Quote:
Originally Posted by AllOutZX2 View Post
Just for reference:

A. if the fuel puddles in the IM with the Wet kit, you can kiss your composite Intake good bye along with other damages.
B. If the Fuel selonoid stays stuck on same idea.

Dry Kit is not "stupid" as you claim it is. I've seen motors go pop on wet kits also.

This is not a debate on wet vs dry. This was asking for opinions on those who have used dry kits. Tuned, Spray through Maf, or upping injector duty cycle.

I apprecaite those that chimed in.


I respect ur choice of going with a dry kit but iirc I read that the focus mad didn't liked to be sprayed with anything and in the long run they failed but it's ur choice man idk if it's the same maf in the zx2 but I would go with a wet kit cause they r safer but it's ur call and ur car lol
12-27-2012 07:06 PM
AllOutZX2
Quote:
Originally Posted by focusmaniaczx3 View Post
man sorry but dry systems have always been and always will be stupid. run a wet kit (which really isnt any more expensive) so you can be safe and be done. or run a dry kit and pop your motor, your choice.
Just for reference:

A. if the fuel puddles in the IM with the Wet kit, you can kiss your composite Intake good bye along with other damages.
B. If the Fuel selonoid stays stuck on same idea.

Dry Kit is not "stupid" as you claim it is. I've seen motors go pop on wet kits also.

This is not a debate on wet vs dry. This was asking for opinions on those who have used dry kits. Tuned, Spray through Maf, or upping injector duty cycle.

I apprecaite those that chimed in.
12-27-2012 12:32 PM
focusmaniaczx3 man sorry but dry systems have always been and always will be stupid. run a wet kit (which really isnt any more expensive) so you can be safe and be done. or run a dry kit and pop your motor, your choice.
12-27-2012 12:35 AM
PSUrivie You're better off buying a wet kit with all the bells and whistles (fuel cut off switch, etc) and getting a N2o tune
12-26-2012 11:22 PM
AllOutZX2 Good To Know, I figured I could run a dry kit spraying before the maf given I have plenty of headroom on the pump and injectors left. I havn't bought the system yet for this reason I wanted feed back.

Venom Has a kit out there that taps into each injector.
12-26-2012 10:42 PM
PSUrivie A dry kit with a returnless fuel system is a big no-no
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