USA nitrous kit

General Chat About Nitrous Oxide.

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dave350v8
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USA nitrous kit

Post by dave350v8 » Mon Feb 22, 2010 5:59 pm

Hi,
Having just bought my sniper nos kit ive seen a few posts saying the usa systems are not that good,and you cant legally get the bottles filled over here? anyone any thoughts on this?



mgbv8
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Post by mgbv8 » Mon Feb 22, 2010 6:37 pm

Technically speaking. If the bottles are not EU marked you are "alledgedly" not supposed to fill them in the UK. But everyone does :)

There are pros and cons with the US stuff versus the Wizards stuff.

The US solenoids used to fail a lot if pulsed. But they do ones now specifically for pulsing. Horses for courses really.

My own personal experience is that my car goes faster with a wizards kit at 150hp than it did with a NOS spray bar plate with 150hp jets fitted. . Having said that. I never did any proper nitrous flow testing on the NOS kit because I didnt know how to back then. So I have to assume that 150hp of NOS is the same flow rate as 150hp of wizards :)

I only had regular solenoid failures when I started pulsing them. This was 5 years ago. The wizards solenoids have been in the car working hard ever since.

If you have a kit and it does what you want then have fun with it. But do buy a bottle heater and preferably a pressure switch to control the heater. Running on a cold day with only 500psi in the bottle is just a waste of gas unless you want to start messing around with altering jet sizes to get the flow back up etc. I prefer to have the right jets in and run the bottle at 850-900 psi.

TD 309
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Post by TD 309 » Mon Oct 24, 2011 4:39 pm

My experience with NOS kits has taught me that the provided tune ups are usually way off. If you already have concerns about a tune up going lean, if you follow what they provide it will almost certainly go hot with a large enough shot. Your best bet is to start a few steps over what they say ( a square tune up generally) and go from there.

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