GILBERT CHEVROLET - NITROUS INSTALLATION HELP
     Due to the rising number of people that want to use Nitrous at the drag strip, we put this page together to give everyone some idea of what it will take to due this safely. Remember, the use of Nitrous, if not done right can lead to sever engine damage and could even result in damage to people.
This is one of our information documents.
Updated 05-11-2006.
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 NITROUS INSTALLATION GUIDE
     This is meant only to be a guide for what you will most likely need to do to an engine and GILBERT CHEVROLET is not responsible for any damage (vehicle or bodily). The person wanting to install Nitrous has to be aware that not all situations could possibly be covered in this and will have to do additional research on their own before trying to install Nitrous. At the bottom, we list resources where you can get more information on installing Nitrous.
Some information on what you need to know before buying or using Nitrous:
  1. Nitrous is not for continuous use and is mostly used in drag racing.
  2. Any use of Nitrous risk sever damage to an engine if not properly built up, plumbed, and tuned for Nitrous use. The whole system needs to be inspected for any problems before each use of Nitrous.
  3. The use of Nitrous will void any GM or GILBERT CHEVROLET warranties.
  4. A charge of Nitrous Oxide is capable of burning much more fuel than the equivalent amount of air. Because of this, the recommended ratio is 9.5 parts of Nitrous to 1 part of fuel (9.5:1). Without this additional fuel the mixture would become dangerously lean and will almost always lead to severe and expensive damage to your engine. You need to ensure the fuel system can handle both the normal engine requirements as well as the additional demands created by the Nitrous system.
  5. Be realistic when considering the amount of power an engine can handle and make sure you have strong enough engine parts as listed in F below. Also remember that you need to make sure you can’t exceed what your transmission, drive line, and differential, etc. can handle.
  6. Below is a list of things you should make sure are properly installed in or on your engine before attempting to use any nitrous system:
    1. Forged pistons with more piston to cylinder wall clearance.
    2. Piston ring gap has to be increased.
    3. High performance connecting rods.
    4. Billet steel main caps in extreme Nitrous use.
    5. Forged steel crankshaft.
    6. Higher capacity fuel lines, usually half-inch diameter and completely replacing all the old fuel lines.
    7. A reliable high volume fuel pump. A separate fuel pump in extreme high output Nitrous operations.
    8. Fuel regulator.
    9. Fuel Solenoid.
    10. Nitrous Solenoid.
    11. A high quality Fuel pressure gauge.
    12. A high quality Nitrous pressure gauge.
    13. Tuned and calibrated carburetor for Nitrous racing.
    14. High quality performance ignition system.
    15. Nitrous and Fuel pressure gauges.
    16. System to maintain constant temperature of nitrous bottles and thereby maintaining constant bottle pressure.
    17. Reduce Ignition timing during nitrous operation
Two good books that are widely available on Nitrous Racing are Alex Walordy’s N2O Power and Nitrous Racing.
Both NOS and NitrousWorks have good literature that you can get from them on Nitrous use.