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  • If you are new to nitrous, read this

    If you are new to the world of nitrous and need info, here it is :)

    First and foremost, its NITROUS NOT NOS! NOS is a brand name.

    Look at these links first for defintions of terms and such:

    http://www.go-fast.org/z28/new_to_nitrous.html


    FAQ

    Q: What supporting mods do I need?

    A: For any amount of nitrous you will need aftermarket intake and cat-back exhuast because the car must be able to breathe. Ever try sprinting 100 yards while only breathing thru a straw? Its hard on your body just like nitrous is on a car that cant breathe.

    The next mod you will need is spark plugs, NGK TR6 are the prefered plug of almost all nitrous users. These plugs are a step colder and are gapped at .035 to prevent detonation. DO NOT RUN STOCK PLUGS!

    Q: How big of a shot can I run on my 3.8 Fbody?

    A: Most people run a 75-100 shot and havent had any problems. Our cars will run safely up to an 85 shot with no other supporting mods than what are listed above.

    With a dry kit, any more than an 85 shot it is reccommended to upgrade the fuel pump with a Walbro 255lph intank pump or an MSD inline pump. That will be good up to a 100 dry shot, any more than a 100 dry shot and its reccomended to upgrade the fuel injectors to 36 lbs/hour injectors.

    With a wet kit you can run up to a 100 shot without fuel mods because you can simply put in a bigger fuel jet to add more fuel. After that, a higher flowing fuel pump is highly recommended.

    Q: What kind of fuel should I run?

    A: Minimum of 92 octane or else you will get knock retard...not good. If there is 93 available, get it. Nitrous motors need high octane to control timing. Do not run 87 octane.

    Q: Is nitrous safe?

    A: Nitrous is safer than most people give it credit for. It gets a bad name from people who have no idea what they are doing, slap on a nitrous kit with no supporting mods, run too big of a shot and blow the motor then blame the nitrous. Nitrous is just as safe or dangerous as a turbo or supercharger, its just having the right supporting mods to accomodate the extra power increase.

    You can safeguard your car by using an FPSS, running the right size shot for your mods, window switch, fuel upgrades (if needed), running the right fuel, a good tune (more on this later), spraying only at WOT and only spraying when your nitrous pressure is at 900-1150 psi.

    Q: Do I need a tune for nitrous?

    A: Tuning is not a necessity, however, it can greatly help your motor maximize the nitrous shot. Its a rule-of-thumb that for every 50hp of nitrous, that the timing be retarded 2*. Thats pretty general though. I highly recommend a tune also because the air:fuel ratio can be correctly adjusted. Too much air and the motor will run lean possibly resulting in a burned up piston...not good. Too much fuel and the motor will run rich which fouls spark plugs and robs horsepower.

    Q: Why are window switches so important for manual tranny cars?

    A: Because they prevent the motor from hitting the rev limiter while spraying. If the motor hits the rev limiter while spraying, plan on buying a new motor.

    Q: Where can I tap for fuel for my wet kit?

    A: Two ways: Cut a fuel line coming from the fuel tank and put in Tee fitting.

    Or simply take out the shrader valve from the dead end of the fuel rail and put the -4AN line right on it. This valve is located on the passenger side of the fuel rail directly behind the alternator (see pic below).

    Q: I have over 100,000 miles on my car, can I still use nitrous?

    A: That depends on the condition of the car. If the car has been babied and very well maintained (fresh oil changes every 3000 miles, always ran fresh spark plugs, changed all filters regularly etc.) then it should be fine, but remember if there is any kind of flaw anywhere in the motor, nitrous will exploit it and make it worse. The tranny and the rearend must also have been taken good care of because nitrous can do collateral damage to them as well. You are taking bigger chances of doing damage with a higher mileage car. I would suggest doing a leak down test and a compression test before spraying a car with high milage.

    Q: If I have an automatic can I spray thru the shifts?

    A: Yes, as long as the tranny is in good shape you should be okay. If you have a wet kit with an auto, I personally recommend getting a window switch becuase you still run the risk of spraying below 3000 rpm, puddling the fuel and backfiring out the intake manifold. I have done this and it was not fun or cheap to fix it.

    Q: How much do I need to spend to run nitrous safely?

    A:That all depends on whether you get new parts or used parts and what brand of parts you get. See links below for prices.

    If you wanted to safely run nitrous on your car plan on spending $800-$1500 for parts and $300-$500 for a tune. It all depends on what accessories you choose and the shop who tunes it.

    Q: Are there any kits specific to our cars?

    A: Well, yes and no. NOS has the 5175 dry kit that is supposed to be specific for our cars, but it can be used on any car if so desired. The only kits that are specific to a certain car are plate kits and direct port kits. Other than that you can use any kit for our cars. If you are unsure if the kit you have or looking to buy will work, post pics of all the parts and we can let you know if it will or will not.

    Q: What is a progressive controller?

    A: It is a device that regulates the amount of nitrous/fuel injected into the motor over a certain period of time or a certain rpm range. The main purposes are for traction control and to run larger amounts of nitrous without doing as much damage since the power comes on slower and not one huge shot. Some people will use a progressive controller instead of a 2 stage set up. It is wired to the ground wires of the solenoids and pulsates them to control the shot. They range in cost from $125-$800.

    Q: Where can I put my bottle?

    A: Totally up to you. There are kits specifically for placing it between the backseats and there are also kits to put it in the spare tire area. I have my bottle in the t-top storage area in the trunk. The back hatch is a popular place as well. Some people even remove one of the rear seats and put it back there. Just make sure where ever you put it, it can be correctly oriented for the best flow of nitrous.

    Q: Is nitrous legal?

    A: That all depends on the state in which you live. Check your local state/county/city laws to make sure it is legal or not. In many states even if its illegal, its only a secondary offense.


    Install tips:

    Look at the stickies above and see that there are links to install instructions for many of the popular kits. If your kit does not come with instructions, contact the manufacturer and ask for them. I have yet to run across a nitrous manufacturer who didnt have install instructions for their kits.

    The best thing to do BEFORE installing your system and all the accessories is to look at your car and choose where you want to: a) mount the bottle, b) where you want to mount the solenoids and c) where you want to mount the switches. Knowing all of that will greatly help you set everything up.

    Once you figure all that out, install the basic system with no accessories and once its in place and working, then install the accessories. If you have a problem and something doesn’t work then its easier to diagnose the problem by installing everything one item at a time. If everything is installed all at once and something isn’t working right, then it’s a real pain to figure out what is wrong and where its wrong.

    When you order all these things and you take them out of the box, you will have a huge mess of wires, but don’t worry. Take your time, install one thing at a time and its not bad at all. The only electronics install experience I had before working my car was installing a CD player lol. But I learned along the way and it wasn’t as bad I thought it was going to be. Moral of the story, I had no idea working with electronics and I survived my install lol. The directions for all of this stuff are pretty clear and simple to read. If you have questions on stuff just ask.

    Here is a link to Coldfusion's website. They have tons of install videos that are EXTREMELY helpful. They are not specific to our cars but they can give you a good idea of what to do:

    http://www.coldfusionnitrous.com/dvd/index.htm (link at the bottom of the page)

    Useful links

    http://www.dynotunenitrous.com/store...ts/default.asp
    http://www.nitrousoutlet.com/
    http://www.holley.com/index.asp?division=NOS
    http://www.zex.com/
    https://nitrousexpress.com
    http://www.edelbrock.com/automotive/nitrous.html

    A few helpful pics:

    Good place to tap for fuel for a wet kit:


    Good place to install a fogger nozzle for a wet kit:




    Could we sticky this???
    Last edited by LETZRIDE; 02-05-2020, 10:49 PM.

  • #2
    Re: If you are new to nitrous, read this

    Great info, deff. sticky worthy!

    Comment


    • #3
      Re: If you are new to nitrous, read this

      why isn't this a sticky yet?

      Comment


      • #4
        Re: If you are new to nitrous, read this

        This section has needed a sticky like this for awhile now. I am tired of telling noobs to search and/or answering the same questions over and over and over and over again. I just thought this would elminate some of that.

        Comment


        • #5
          Re: If you are new to nitrous, read this

          def. +1 for a sticky. if my car wont run a 12 by summer ill spray it or sell it. ;) haha

          Comment


          • #6
            Re: If you are new to nitrous, read this

            Originally posted by BobDoLe
            why isn't this a sticky yet?
            james isn't able to get one everyday or multiple times a day and he is the one that has to make it one as he is the only mod for this section

            Comment


            • #7
              Re: If you are new to nitrous, read this

              I asked to be a mod to help James out with this kind of stuff, but I never got any response from FirebirdGt :(

              Comment


              • #8
                Re: If you are new to nitrous, read this

                Wow...this would answered all my questions when I first investigated nitrous...

                Awesome summary...STICK fo sho

                Comment


                • #9
                  Re: If you are new to nitrous, read this

                  Originally posted by BobDoLe
                  why isn't this a sticky yet?
                  Because I do other things in my life..... der!

                  We have 4 stickies which explain a lot of this stuff.... and no one seems to read it.

                  A lot more good stuff is in here... I will sticky it though - good stuff Shodown

                  Comment


                  • #10
                    Re: If you are new to nitrous, read this

                    I wanna say that this, is exactly everything i was looking for.

                    Comment


                    • #11
                      Re: If you are new to nitrous, read this

                      Nice sticky. Great info.
                      Last edited by ssms5411; 06-25-2011, 03:04 PM.
                      08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
                      96' Camaro M5 to A4 conversion, alot of mods ,see Homepage. GT35R Turbo http://www.cardomain.com/ride/244123...vrolet-camaro/
                      https://www.facebook.com/steve.starcher.18

                      Comment


                      • #12
                        Re: If you are new to nitrous, read this

                        This will help alot. Thanks

                        Comment


                        • #13
                          Re: If you are new to nitrous, read this

                          Yes it isssss

                          Reminds me, I need to check my plugs

                          Comment

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