What are the necessary modification needed prior installing nos?
NOS is Nitros Oxide or Laughing gas. Basically it is like pumping very cold oxygen into your motor which makes the petrol burn much faster ,hotter and cleaner . This delivers close to 90% of the power from your fuel instead of the usual 60%
This puts a HUGE load on pistons, conrods ,bearings and your transmission.
If you buy a nitrous kit for your car, all the relevant plumbing etc should be included , however I would suggest you talk to your local speed shop and engine rebuilder as to what mods you should do to your specific engine.
Personally I would buy a spare engine to play with , then, when it explodes you can put the old one back in while you are rebuilding your silly motor.
Endless fun and a great way to spend your money.
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Couple of points:-
Providing you are not adding more than about 25% of your stock power (so if you have a 200BHP engine, yo u are only adding around 50 bhp worth more with nitrous, then providing the engines is known to be a good one (Toyota Supra turbo MK 3 engines are almost bullet proof) - then you should not have any real issue.
If you want more power than 25% more, then you need to invest in a controller which ramps up the power over a second or so so the engine is not "shocked".
Nitrous solenoids from people like "Holley NOS" are a bit grim, you ideally want to look for "pulsoids" which are so reliable that they are guaranteed for life - as opposed to coming complete with a rebuild kit!
Nitrous can be used on turbo cars with fantastic results even from quite small amounts of nitrous - because they effectively eliminate turbo lag - you spool up within a second or so - so your engine is giving you high torque right from the off.
Make sure you buy a "wet" kit which adds the correct amount of additional fuel to your engine along with the nitrous. If you do not, then there is a HUGE chance you will lean out the engine and that gets expensive.
Nitrous is great fun - used it for many years - but use good quality kit (pulsoids) and if you use a narrow pipe (I used to use 4mm bore copper), then you do not need a "release valve" to remove the gas to get the liquid back. Saves gas.
The braided pipes LOOK pretty but waste a lot of the nitrous as the liquid expands to a gas in the pipe instead of in the engine - where you want it.
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