i am about to install my zex wet kit and set up for a 100 shot.. what should i do i have the new plugs already, bottle warmer, guages, tps pretty much everything but in the motor wise do i need to pull timing?? after i install it i am goin to dyno for a/f and see what i put down. thanks in advance! just tryn to get all my ducks ina row

 

Up to a 75 shot you're good on stock timing, but at 100 I think thats the most on stock timing IIRC. You're probably still good on the stock ems as well, but after 100 things change so look into a UTEC and a tune.
What year is your car??

 

i have a 03 track, and i dont plan to run anymore then a 100 shot until i get some form of tuneing. i just want to be able to spray and not have to worry too much. doi need a tuner to change timing? im goin to use the tps but im lookn in to the window switchs. which window switch is easiest to use and install?? thanks again!

 

u need to worry n e ways unless u get it tuned. And even then every bottle u spray wears down ur motor in some ways. save up 4 a utec and let a JT tune it 4 ya

 

for tuning, is there othe ways other then piggy back soo pretty much like hand held tuners? for my lightning i hand a hand held that would tune the ecu or clear it back to stock at the press of a button. is there anything like that for the Z's???

 

Dude, should have bought my kit. It helped me set the NO2 record on here and I'd be able to help you out with all your issues.

But to your question, the utec is really the only way to go. It can do what you describe and it can also be used as a rpm window/TPS switch.

No other "cheap" tunning option is available for what you describe.

Good luck!

 

if he isnt looking for something to run the nitrous system for him and he still wants to use the zex brain anything will work as long as he gets timing pulled out. It won't be as safe as a utec, but I ran an emanage ultimate to pull out timing and that worked fine on the zex kit

 

Jay.....nice to see you're still lurking. Wanna race hahahahaha

To the OP, one350zfan knows his N20. I've seen him get on his laptop at the track and each run got faster and faster(upping the jets/timing etc.)

 

I don't think you can switch maps on the fly with the EU... Also, doesn't the EU only give you two map selections.

I saw a utec go for $550 with map selector and tuner... That's how much he'll spend on an EU and window switch.

With 5 maps from the utec, you can have a map for NA, 100 shot on 93 and 150 shot on race gas. And you can switch them on the fly or even put it in valet and let the OEM computer take over.

The Zex box does the job of a TPS switch but it's still kinds dangerous... Like if you miss shift at WOT, bad things can happen.

It's nice to have the NO2 cut off at 6500 rpm's which is something the Zex box or EU can't do.

 

Hey Tom, I've been around... Trying to sell the NO2 kit to raise money for the AEM meth kit and a nice single exhaust.

I believe I can push more power safely with a different set-up.

We just had our first child(4 month old boy) and he's taking a lot of my car time away... At first I thought it would be an issue but he's so cool play with... He's a pimp!

I'm looking to break the stock block record in the fall when the weather cools and the rain stops.

BUT, let me know when you run next, I'll try to go out there... I still have the bottle full from the canceled TampaRacing.com events.

 

I am not disagreeing with you, i would take the UTEC hands down, but if he just wanted to retard timing the EU is easy to use and you can switch maps, just not on the fly(not sure i never did tho)

 

so what would be a way to pull a cupple degrees of timing with out a utec?? anything like a hand held tuner?? im on a budget

 

so this is a question for one350zfan. I have a utec and a zex kit I'm ready to install. If I want to use the UTEC to trigger the Zex can I just hook up the spare solenoid wire on the UTEC to the tps trigger on the zex box?
Thanks!

 

Yes, you can use the UTEC to trigger the nitrous solenoid as long as you don't update the UTEC with the 2.6 software update.
Last I heard, the update caused alot of problems for people using the UTEC to trigger the nitrous.
There was a thread in here at one time that talked about it. Someone had been working with TurboXS to see if they could get it to work.
In the end, he ended up reflashing the UTEC back to original config and not use the update.

 

+1 That was the last I heard of it also.

 

I just want to make sure that the UTEC is going to send the +5v that the 350z specific ZEX kit needs to fool the TPS wire going to the ZEX box into thinking that it's a WOT situation.

 

Hmmm,
I wasn't paying attention to your use of the ZEX control box.
I was thinking just solenoid.

I have ZEX and use a window switch.
If you want an accurate answer about the voltage, you'll probably be better of calling or emailing the guys at TurboXS. They helped me over the phone with some questions I had.
I'm not at home to look, but maybe the info is in the UTEC guide.

 

The utec throws the ground, not the power.

Basically, you'd hook the power up like normal to the zex box and the ground will go to the utec.

 

If you're on budget, just spray 100 shot... You should be fine if the a/f is good.

There is no hand held tuner that I know of.

 

So where does the TPS wire go then...Wired to 12v along with the power wire? Then the whole unit would turn on and off when the UTEC connects the ground? Would it turn on and arm immeadiately?