
There will come some extent in the power buildup where you may perhaps look at adding nitrous oxide injection for your supercharged vehicle. This point normally coincides with achieving a volume of effectiveness Meaning greater financial commitment and diminishing returns out of your supercharger. By way of example, my motor vehicle comes from the factory with a fifth technology Eaton MP45 supercharger. This supercharger is limited to about 230hp worthy of of move rating and so whatever I do with bolt-on upgrades on my motor, my peak horsepower will never exceed 230hp Restrict because that is the place at which the supercharger gets to be the bottle neck in my technique.As we have talked about in previous articles there continues to be the choice of porting the manufacturing unit supercharger for your ten to 15% attain in capability (which In such cases will be A further 23 to 35 horsepower). There's also the option of retrofitting a bigger supercharger including the Eaton M62 to realize potential as much as about 300hp depending upon the last choice of a supercharger.This modification path (porting or changing the factory supercharger) can prove to become advanced and costly, particularly if the supercharger is integrated into your ingestion manifold (And perhaps an air to water intercooler) as the situation is with several manufacturing facility supercharged cars.A attainable practical Option for this situation is to employ nitrous oxide injection to nutritional supplement the power shipping and delivery when racing, and remaining pleased with a trusted lower driven vehicle when the nitrous is off and we are not racing.The explanation why nitrous oxide (N2O) turns into an excellent electricity adder is twofold:1- Nitrous is affordable in terms of horsepower for each greenback goes, and particularly inside the situations where we are already supercharged and so will only be using it around the uncommon instances when we do strike the keep track of.2- Nitrous oxide is a fantastic 'chiller' mainly because it arrives out from the bottle at a temperature of damaging 127*File and is particularly able to cooling the general supercharged air charge combination by about 100*File as described by fans, This is often an additional temperature reduction in excess of the effects of whatever intercooler you've got fitted. This in-actuality would make nitrous an awesome proposition for automobiles which have by now maxed out their superchargers, in which the supercharger is operating at peak rpms and manufacturing very large outlet temperatures. The nitrous oxide injection can correctly Strengthen the thermal effectiveness with the supercharger when it really is most pressured out and provides us a good, awesome, and dense combination.3- Nitrous oxide gas supply is pretty clear-cut to set up and also to tune, In particular on newer product cars with return-les gas units, or tough to crack computers that make it tough to upgrade (and correctly tune) a much larger supercharger set up. Nitrous oxide fuel shipping may be established-up absolutely independently with the OEM ECU and gas system and so makes nitrous a feasible application for German cars and trucks with stubborn computer systems.4- It is a racer method... most cars appear to perform far better during the Winter season months since the air is cooler, horsepower is elevated, as well as tracks Despite the fact that chilly, may be prepared for traction and will heat up sufficient during the night to allow for traction and to give men and women the chance to exploit the chilly dense air to article their best situations from the calendar year. As being the weather conditions gets warmer, traction raises since the asphalt is heat and sticky, but horsepower is lowered on account of hotter, considerably less dense air. Generally racers discover that their vehicles differ within their quarter mile general performance by about a 50 % a second concerning their summertime tune and their winter tune, especially if you are employing a supercharger or turbocharger that compresses (and additional heats) the incoming air.The Remedy to on-monitor regularity, racers have discovered, is to mix the use of nitrous oxide (which is summer welcoming) with pressured induction (superchargers and turbochargers) which happen to be Winter season helpful. In the summer time, the skin temperature is higher, and Hence the nitrous bottle force is taken care of in a higher amount over 1100 psi. This enables for just a generous nitrous flow price underneath the sustained force (even with out a bottle heater) which provides terrific summer functionality for nitrous assisted autos. Although in the winter, the surface temperatures fall substantially, the nitrous during the bottle contracts along with the bottle strain drops, subsequently, the nitrous stream charge drops and nitrous assisted automobiles present even worse effectiveness inside the winter situations.The complete opposite is correct for supercharged cars that deliver excellent horsepower while in the winter from compressing awesome dense air, and inadequate horsepower in the summer heat. When you combine both of these electricity adders you will get really flat and constant horsepower creation 12 months spherical because the supercharger shines if the nitrous is weak, as well as the nitrous shines in the event the supercharger is weak, and therefore together, they offer reliable energy supply 12 months round.Pre-cautions:Now We have now to take into consideration that nitrous oxide is really an oxidizer and thus don't just will it raise the quantity of air and fuel combusting during the cylinder, but What's more, it makes a faster moving flame front as a result of oxidizer Homes of the nitrous oxide. Which means supplemental timing retard, excellent octane gasoline, And maybe colder spark plugs will probably be needed to run spray on the supercharged vehicle. Additionally, due to its cooling result, a 100hp shot over a supercharged Camaro can extremely quickly put down More than 120 rear wheel horsepower of supplemental energy. Because of this the 'out of your box' jetting of the nitrous package might not be sufficient on a supercharged vehicle therefore you'd have to be certain to watch And maybe increase the gasoline jetting to match the ultimate horsepower determine of your automobile). Final although not minimum, if you're managing a 500hp supercharged automobile with yet another 120hp of nitrous oxide injection, Then you really must Make certain that your gas supply (fuel pump and fuel traces) will be able to stream the entire number of fuel required to produce 620hp.Applications situations:1- There is a vehicle like mine, a 2005 C230 kompressor that comes along with a 230hp constrained Eaton MP45. ECU on the vehicle can be a Siemens ECU that only a few men and women understand how to tune, as well as gas method employs a return-fewer set up with the in-tank gas tension regulator. With this sort of setup all types of dry nitrous injection are out on the problem simply because we are able to neither compensate for fuel by flashing the factory ECU, nor can we elevate fuel pressure throughout the nitrous injection as the gas tension regulator is in-obtainable....Recommended package:A moist nitrous injection kit that injects the two gasoline and nitrous oxide from the injection nozzle.Injection locale:After the supercharger, following the intercooler, and into your ingestion manifold of the car.Maximum encouraged injection:25% of the original complete electrical power figure which corresponds to about a fifty hp shot of nitrous on our example.Expected ultimate horsepower:60 to 65 wheel horsepower and feasible about 130 ft-lbs of more torque!2- There is a motor vehicle which has an obtainable fuel tension regulator, or an ECU that can be re-flashed for nitrous oxide or simply a 'twin tune' set up. In such a case it is usually recommended to employ a dry nitrous kit for 2 reasons:First: Dry kits are safer on supercharged vehicles (so long as the gasoline delivery with the injectors or elevated fuel tension is ample) because they maintain a reduced possibility of intake backfires since the consumption manifold is dry of fuel.Second: Dry nitrous injection is made up of no fuel, and so we do not need to have to worry about fuel falling outside of suspension through the injected air. Because of this we now not should spray the nitrous suitable prior to the consumption manifold and we now have the choice to move The purpose of injection Considerably farther again. Spraying nitrous Ahead of the intercooler, correct once the supercharger gives the nitrous stream additional time and more contact with the compressed air coming out of your supercharger which leads to a lot more cooling and further more greater horsepower.Recommended package:A dry nitrous injection package that injects only nitrous oxide within the injection nozzle.Injection place:After the supercharger, just before or once the intercooler and not always proper within the consumption manifold of the car.Maximum proposed injection:25% of the initial full electric power determine which corresponds to close to a 50 hp shot of nitrous.Expected final horsepower:70-seventy five wheel horsepower and feasible about one hundred thirty ft-lbs of extra torque!3- There is a automobile which includes an obtainable gasoline tension regulator, or an ECU which can flashed for nitrous oxide or even a 'dual tune' set up. You furthermore mght need to make just as much horsepower as possible from your nitrous...In this case it is recommended to utilize a dry nitrous package injecting ahead of the supercharger. As we mentioned inside our posts on twin charging (combining turbochargers with superchargers for included performance), when two 'chargers' are chained in collection in which 1 charger feeds the subsequent, then The 2 pressure ratios from the charger Blend as the 2nd charger compresses air that is definitely currently compressed by the first. By way of example two turbochargers established for a one.5 strain ratio (or seven psi of Improve), functioning in sequential mode will cause a last force ratio of two.twenty five bar (or 18psi of boost) and that is more than the 'anticipated' 14psi that's the sum of The 2 Raise levels.Similarly, injecting nitrous oxide ahead of the supercharger, provides now compressed air. That is genuine temperature we're talking about nitrous becoming compressed because it has twice the oxygen concentration as ordinary air or we are talking about the nitrous cooling and compressing the incoming air. The final amount of compression observed through the supercharger inlet will vary with regards to the ratio of incoming air to the scale from the nitrous shot, and may result in a rise in Improve of in between 0.five to two.five psi!This Increase improve is Besides the power raise in the nitrous oxide injection and so it may be a further 5 to twenty five hp.Recommended package:A dry nitrous injection package that injects only nitrous oxide within the injection nozzle.Injection locale:Before the supercharger inlet.Maximum advised injection:25% of the first full electrical power figure which corresponds to about a 50 hp shot of nitrous.Expected remaining horsepower:75-one hundred wheel horsepower and possible about 160 ft-lbs of further torque!Things in order to avoid:1- It doesn't matter where you setup the nitrous injection, be certain not 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 ailments. As we mentioned earlier, nitrous is an oxidizer that enhances the speed of travel of the combustion occasion and therefore requires taken care of (if not retarded) ignition timing when compared with a supercharged only setup. Prevent spraying on these temperature sensitive sensors to stop accidental timing progress from happening.2- Stay away from spraying a moist package (fuel) just before your supercharger, since the damp gas mist will hurt the supercharger rotors and strip their coatings.3- You should definitely Examine your air fuel ratio around the nitrous And do not persist with the 'out of your box' air to gasoline options Using the kit. 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