There will come a degree in the electric power buildup where you might think about including nitrous oxide injection to your supercharged car or truck. This issue generally coincides with reaching a standard of overall performance Which means increased financial investment and diminishing returns out of your supercharger. As an example, my automobile comes from the manufacturing facility by using a fifth technology Eaton MP45 supercharger. This supercharger is limited to about 230hp worthy of of move score and so regardless of what I do with bolt-on upgrades on my engine, my peak horsepower will not likely exceed 230hp limit due to the fact that is the position at which the supercharger will become the bottle neck in my procedure.As we have discussed in prior articles there remains the choice of porting the factory supercharger for your 10 to fifteen% acquire in potential (which in this case could well be A different 23 to 35 horsepower). There is certainly also the choice of retrofitting a larger supercharger including the Eaton M62 to achieve likely around more than 300hp based on the ultimate choice of the supercharger.This modification route (porting or replacing the manufacturing facility supercharger) can show to become elaborate and expensive, particularly if the supercharger is built-in in the consumption manifold (and possibly an air to drinking water intercooler) as the situation is with several manufacturing unit supercharged vehicles.A achievable viable Option for this situation is to make use of nitrous oxide injection to supplement the power delivery when racing, and currently being happy with a trustworthy decreased powered vehicle if the nitrous is off and we're not racing.The cause why nitrous oxide (N2O) will become a terrific ability adder is twofold:1- Nitrous is reasonable so far as horsepower for every greenback goes, and particularly inside the scenarios where we are by now supercharged and so will only be employing it about the exceptional situations whenever we do strike the keep track of.2- Nitrous oxide is an excellent 'chiller' since it comes out of the bottle at a temperature of negative 127*File which is effective at cooling the general supercharged air cost combination by more than one hundred*File as reported by fanatics, This is often a further temperature reduction above the consequences of whichever intercooler you have got equipped. This in-point makes nitrous an awesome proposition for vehicles that have currently maxed out their superchargers, the place the supercharger is operating at peak rpms and developing really significant outlet temperatures. The nitrous oxide injection can proficiently Enhance the thermal efficiency from the supercharger when it truly is most stressed out and provides us a good, neat, and dense combination.3- Nitrous oxide gasoline shipping and delivery is relatively clear-cut to setup and also to tune, especially on more recent design autos with return-les gasoline systems, or tough to crack computers which make it challenging to enhance (and thoroughly tune) a much larger supercharger setup. Nitrous oxide gas supply is often set-up completely independently with the OEM ECU and gasoline method and therefore will make nitrous a attainable software for German vehicles with stubborn personal computers.4- This is the racer strategy... most autos seem to complete much better in the course of the Wintertime months as the air is cooler, horsepower is elevated, as well as tracks While cold, could be ready for traction and will heat up sufficient throughout the night time to allow for traction and to offer people today the chance to exploit the cold dense air to publish their most effective moments from the calendar year. As the weather gets hotter, traction increases since the asphalt is warm and sticky, but horsepower is lowered due to warmer, significantly less dense air. Ordinarily racers discover that their automobiles fluctuate inside their quarter mile overall performance by approximately a fifty percent a 2nd in between their summer season tune as well as their winter tune, particularly when you are utilizing a supercharger or turbocharger that compresses (and additional heats) the incoming air.The Answer to on-track regularity, racers have discovered, is to mix the use of nitrous oxide (that is summer time welcoming) with forced induction (superchargers and turbochargers) that happen to be winter friendly. In the summer time, the skin temperature is significant, and so the nitrous bottle tension is taken care of at a large degree higher than 1100 psi. This permits for any generous nitrous flow fee beneath the sustained force (even without having a bottle heater) which gives great summer time performance for nitrous assisted cars and trucks. Although during the Wintertime, the surface temperatures drop substantially, the nitrous in the bottle contracts plus the bottle pressure drops, subsequently, the nitrous movement fee drops and nitrous assisted autos exhibit even worse general performance inside the Winter season occasions.The entire reverse is real for supercharged vehicles that develop terrific horsepower in the Winter season from compressing awesome dense air, and bad horsepower in the summertime heat. When you combine these two electric power adders you receive pretty flat and dependable horsepower output 12 months round because the supercharger shines when the nitrous is weak, plus the nitrous shines in the event the supercharger is weak, and thus alongside one another, they offer steady ability produce yr round.Pre-cautions:Now We now have to contemplate that nitrous oxide is undoubtedly an oxidizer and thus not simply will it improve the level of air and fuel combusting inside the cylinder, but In addition, it generates a speedier relocating flame entrance because of the oxidizer Homes on the nitrous oxide. Therefore extra timing retard, great octane gasoline, And perhaps colder spark plugs is going to be necessary to run spray over a supercharged vehicle. In addition, on account of its cooling effect, a 100hp shot with a supercharged Camaro can extremely simply set down About 120 rear wheel horsepower of supplemental energy. Which means that the 'out of your box' jetting of the nitrous kit may not be satisfactory on a supercharged automobile and you simply'd have to ensure to observe And perhaps boost the gas jetting to match the ultimate horsepower figure of your automobile). Last although not minimum, if you're managing a 500hp supercharged auto with yet another 120hp of nitrous oxide injection, Then you definitely have to Ensure that your fuel shipping and delivery (gas pump and gasoline lines) can flow the total level of fuel needed to supply 620hp.Applications situations:1- You do have a auto like mine, a 2005 C230 kompressor that comes along with a 230hp restricted Eaton MP45. ECU on the car is actually a Siemens ECU that only a few people learn how to tune, and also the fuel technique employs a return-a lot less setup with the in-tank gasoline tension regulator. With this type of setup all varieties of dry nitrous injection are out in the dilemma because we can neither compensate for gas through flashing the manufacturing facility ECU, nor can we elevate fuel force during the nitrous injection since the gasoline strain regulator is in-accessible....Recommended kit:A soaked nitrous injection package that injects each gasoline and nitrous oxide in the injection nozzle.Injection place:After the supercharger, after the intercooler, and into the intake manifold of the vehicle.Maximum proposed injection:25% of the original overall ability determine which corresponds to about a fifty hp shot of nitrous on our case in point.Expected remaining horsepower:60 to sixty five wheel horsepower and attainable about 130 ft-lbs of added torque!2- There is a automobile that has an accessible gasoline tension regulator, or an ECU which can be re-flashed for nitrous oxide or simply a 'twin tune' set up. In such a case it is recommended to make use of a dry nitrous kit for two motives:First: Dry kits are safer on supercharged cars (given that the gasoline shipping throughout the injectors or lifted gasoline strain is suitable) mainly because they maintain a lessened chance of ingestion backfires since the intake manifold is dry of gasoline.Second: Dry nitrous injection includes no fuel, and so we don't want to bother with gasoline slipping from suspension with the injected air. Because of this we no more really have to spray the nitrous ideal prior to the consumption manifold and we now have the option to maneuver the point of injection A great deal farther back again. Spraying nitrous Prior to the intercooler, appropriate after the supercharger presents the nitrous stream extra time and much more connection with the compressed air popping out from the supercharger which leads to a lot more cooling and further more increased horsepower.Recommended kit:A dry nitrous injection kit that injects only nitrous oxide from the injection nozzle.Injection area:After the supercharger, in advance of or following the intercooler rather than always correct at the ingestion manifold of the car.Maximum proposed injection:25% of the initial complete power determine which corresponds to around a fifty hp shot of nitrous.Expected closing horsepower:70-75 wheel horsepower and doable about one hundred thirty ft-lbs of supplemental torque!3- You've got a vehicle which includes an available gasoline force regulator, or an ECU that may flashed for nitrous oxide or possibly a 'dual tune' set up. In addition, you want to make just as much horsepower as you can out of your nitrous...In this circumstance it is usually recommended to implement a dry nitrous package injecting before the supercharger. As we outlined within our content articles on twin charging (combining turbochargers with superchargers for extra efficiency), when two 'chargers' are chained in collection wherever a single charger feeds the next, then the two strain ratios of your charger Blend as the next charger compresses air that may be presently compressed by the initial. One example is two turbochargers set for any 1.five tension ratio (or seven psi of Raise), managing in sequential method will lead to a last stress ratio of two.25 bar (or 18psi of Enhance) that is over the 'envisioned' 14psi that's the sum of The 2 Raise concentrations.Similarly, injecting nitrous oxide before the supercharger, provides previously compressed air. This really is genuine climate we've been talking about nitrous remaining compressed as it has two times the oxygen focus as usual air or we're discussing the nitrous cooling and compressing the incoming air. The ultimate degree of compression observed with the supercharger inlet will fluctuate according to the ratio of incoming air to the dimensions of your nitrous shot, and may result in a rise in Increase of between 0.5 to 2.five psi!This Increase increase is In combination with the ability improve with the nitrous oxide injection and so it can be yet another five to twenty five hp.Recommended package:A dry nitrous injection kit that injects only nitrous oxide with the injection nozzle.Injection spot:Before the supercharger inlet.Maximum advisable injection:25% of the initial whole electric power determine which corresponds to all around a 50 hp shot of nitrous.Expected final horsepower:75-a hundred wheel horsepower and probable about one hundred sixty ft-lbs of extra torque!Things to prevent:1- No matter in which you set up the nitrous injection, make certain never to spray nitrous into your MAS air movement sensor or your intake air temperature sensor. These temperature dependent sensors, convey to the ECU to advance the timing in colder disorders. As we described before, nitrous is surely an oxidizer that boosts the speed of journey of your combustion celebration and therefore calls for taken care of (Otherwise retarded) ignition timing in comparison with a supercharged only setup. Prevent spraying on these temperature sensitive sensors to prevent accidental timing advance from taking place.2- Stay away from spraying a damp kit (gasoline) right before your supercharger, as being the soaked gasoline mist will harm the supercharger rotors and strip their coatings.3- Ensure that you Verify your air gas ratio within the nitrous and don't stick with the 'out from the box' air to gas settings with the kit. 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