Direct Port Nitrous

[stangdrvr06]

Hey guys now before everyone starts telling me the horror stories dealing with nitrous. Ive looked on here and kinda read most of them. I want to know what you guys think of the noszle direct port system. I think holley or whatever has it on their website. My buddy and i were looking at it and he was trying to get me to do that system. Im thinking of doing either a 100 shot or 125 ( if my motor can take it). I do plan on getting a tune. I want to know do i need to upgrade my fuel pump. What about a fuel pressure regulator? Also if my stock bottom end can't take the 125shot. What kinda cost am i looking at to get something stronger?? Basically i want to run a 150 shot reliably. Thats my main goal. I want to know what the cost would be to do that and what do i need to upgrade. People who have already done that please chime in here.

Now the second part : With the system im going with a WOT switch rather than a push button. I want to know a couple of things that ive read are true or not. Do i spray in first or no? ive read no. I have 4.10's in my car. Im thinking i would have to launch in 1st gear. Go to second and activate the nitrous. I usually powershift ( don't let off the gas ) <-- don't know what everyone else calls it. With nitrous activated would i still be able to do that?

Thanks for the help i know its long but i just wanna know to get it off my head.

 

[CobraRed_96_GT]

you'll need new injectors on top of that

 

[GettinThere]

I usually powershift ( don't let off the gas ) <-- don't know what everyone else calls it. With nitrous activated would i still be able to do that?

If you powershift, you should use a window switch, maybe something like:

http://www.harrisspeedworks.com/shop/product.php?productid=16509&cat=308&page=1

 

[Daggar]

you'll need new injectors on top of that

Direct Port is a wet system. New injectors are not required for the installation of that system... Tuning of the jets is required however.

As for additional fuel pumps etc. I would imagine that the requirements would be different dependant upon how much of a shot you used. Get with the manufacturer of the system that you have in mind to find out for sure.

 

[mazen189]

150 shot will kinda be hard on your motor. lol, oh well, have fun man, i Support Nitrous.

 

[Red35th]

I use both a WOT switch and a flip-switch.

When the direct port kits came out they all of them had problems. I'm not sure how they are now though, this was a couple of years ago.

If you would stay at a 100 shot or less, I'd just get a standard nozzle kit; less hassle, FAR less expensive. Search the forums, there are a million threads on the benefits and drawbacks of each.

Good luck with it.

 

[holcombford1]

I also believe that a standard nozzle system would be better for your application than a direct port kit. Most of the nozzle kits are adjustable from 50 to somewhere in the 200 range. I would definitely upgrade the pump and run an adjustable regulator as well as a window switch, and maybe injectors depending on what kind of other mods you have done to the car. I can help you get all these things together if you would like.

 

[M.P. Cobra Fan]

A direct port kit would better serve you if you were going much higher than 125. If you wanna stay at that level a good wet kit is the ticket.

Direct port are great and I have run them before, but with small HP numbers (relatively speaking of course) you are much better served with a wet kit.

 

[stangdrvr06]

Eventually after i build the motor i want to go higher in the shot range. Im going to start off at a 100 and go from there. Definetly going with the direct port system though. I feel that its much safer. So most of u guys suggest to upgrade fuel pump and get some kinda fpr? Also what kind of tires do u guys recommend to hook. I have 245 nitto's on it right now and they don't hook for crap. If i need to go bigger what size and what kind of drag radial. The car isn't daily driven so i don't care about tread wear. Just want something that hooks.