nos kit

[z28charged]

i was thinking of buying the nos dry kit with the nos plate that goes infront of your throttle body.what do you think about these dry kits.i heard there the more dangerous ones out there.it is the nos brand that i was looking at from summit racing thanks pat

[z28charged]

many info would be helpful in picking the right kit

[FANTA-Z]

Just my opinion I would go with a wet kit. Reason I say this is with a dry kit you are going to buy more parts to have the kit. As far as it being safer well yeah it is in the fact that you dont have fuel going into the intake through your TB but thats about it. If you run a wet kit and have all the safety things in place you will never have to worry about an intake backfire. I started off with a dry kit which I thought was great until I switched over lol. With a dry kit you will need to add a pusher fuel pump to help get your fuel pressure up to around 70psi or a little higher and you will need to upgrade your fuel injectors to handle the extended pressures. The stock ones like to lock up because of the higher pressures.

[TSAEB]

yeah i second fanta...sorry since that doesnt answer your question...however a brand like nos i would think they make great parts...very expensive in my opinion but good none the less....do a search on dry kits...as long as you follow the safety steps you should be fine...however i really recomend you look into a wet kit.

[midnightZ]

I agree with FANTA, I recently made the jump to spray but have been researching and looking for a year now and was scared to take the plunge, I have not tried it yet because the track isn't open yet but I think I will enjoy it. I bought a wet kit, not much more money and you can get a bigger shot cheaper in the long run. From what I read about a wet kit just takes out so many variable's to watch for. Take me with a grain of salt because I have never ran spray on nothing, never believed in it, but for me to beat a F/I mustang, that has a !#*!#*!#*!#*y driver this year, it will be a must.

[z28charged]

the reason i was looking at the dry kit was because it had that spacer plate that went between the tb and the intake.i just thought it was a nice looking system.does anyone know if they make a wet kit like this.

[FANTA-Z]

Yes they make plate kits for wet as well. I ran one for a while, but I wanted to shoot more than a 175 shot which is basically all a plate is good for.

[z28charged]

which make has the wet style plate i would really like to know so could order it and what controller box would you recommend to retard the timing.i was thinking of that dital 6 msd.what's all involved with hooking this in also.when you go wot does the msd automatically start to retard the timing

[FANTA-Z]

Im not sure on the plates but Im sure you can do a search in google for LT1 nitrous plate and find what your looking for. I personally ran the Digital 6 and wouldnt run anything else. You can set it up two different ways with the pink wire coming out of the box. You can have it to where it triggers the retard when your WOT switch is activated or you can do it like I did and have it retarding the timing when I actually armed the system. I just wanted to make sure that it was actually retarding the timing before I was on the bottle For hooking up the box if you get the harness its very easy. All you have to do is run a hot wire to the battery and then a ground wire, and plug in the harness and your done.

[01Z]

Originally Posted by FANTA-Z

...With a dry kit you will need to add a pusher fuel pump to help get your fuel pressure up to around 70psi or a little higher and you will need to upgrade your fuel injectors to handle the extended pressures. The stock ones like to lock up because of the higher pressures.

Hi guys. Z28charged, I hope you don't mind me adding a little digression to your thread.

I'm surprised about one aspect from the answers here. Glenn alludes to a pusher fuel pump for the dry kit. I'm not arguing over that but as per a Comp Cams (Zex) tech, I was told to upgrade my fuel supply for the WET kit. Their DRY nitrous kit did not require the fuel pump upgrade. I'm wondering if more fuel is required because of the size IE 175+??

[FANTA-Z]

The dry kit usually causes your fuel injectors to up their pressures close to double the capacity and this is why most require a pusher pump to help with those higher pressures. As for a wet kit everything basically stays the same and your just T-ing off a fuel supply to go to the solenoids. I ran the 5176 dry kit (same as the 5177 that was for the LS1) and it actually came with an NOS pusher pump in the kit. It also required newer injectors because the LT1 injectors liked to lock up under the 70-80ish psi fuel pressure. That kit ran roughly 100-120 hp but I have ran upwards to 200 plus on a wet kit without upgrading a single thing in the fuel system.

[01Z]

Thanks for the explanation. Maybe I didn't investigate the Zex dry kit closely. A booster may have been included. That the dry kit requires more fuel pressure makes total sense seeing how it gets no extra gas like the wet kit.

Even though I have a wet kit with the inline booster, my fuel pressure is barely higher or the same as stock. When I slam the throttle open I get about 50 lbs but it quickly goes back to 42. I would assume you change regulators when going with a dry kit??

[FANTA-Z]

Your fuel pressure will not change with a wet kit. Your fuel is getting supplied just as your injectors are so there is no reason for it to actually bump up. As long as you dont dip in pressure then your fine. If your dipping it means your fuel system is not adequate enough for your line to be supplying both the fuel rail and the solenoid line. I havent seen many that have had this issue besides myself lol, and this was only because my supply line was too big and the pump couldnt keep up with the volume.

As for a dry kit most of them comes with a regulator that goes inline before your stock regulator and thats what adjusts your pressure when the nitrous is being sprayed.

[01Z]

Thanks again! It's hard to get this particular knowledge without paying to have the experience.

I understand you about the wet kit pressure. I bought the inline booster on the advice of the technician. Perhaps I didn't need it but it's installed anyway.

One more question about the DRY kit pressure regulator going before the existing one. I don't understand how that works. The stock regulator would disable the pressure increase allowed by the kit wouldn't it? Maybe I'm confused because the LT1 engines have a return line.

[FANTA-Z]

Here are the destructions lol for the 05176 kit that I first ran. Im not sure exactly how it works as well. I know there is a jet inside the regulator and you put your existing line that goes to your stock fuel pressure regulator into the NOS regulator and then you use another vacuum line that goes from the NOS regulator to your stock fuel pressure regulator. Maybe I am thinking wrong but it works basically on the same rule of thumb if you take your vacuum line off the regulator your fuel pressure will raise roughly 4psi so maybe its adding some pressure to the regulator

http://www.jegs.com/InstallationInst.../741-05176.pdf