normally you would 'push' the nitrous button for about 5-10 seconds max before letting it go.the longest i ever held it down was about 15seconds...so u add up the total time u push the nitrous button n you'll get about 4-5 minutes of total 'push' time before the nitrous dies on you....
lets say u push it for 5 seconds at a time and the tank holds about 5minutes worth of nitrous if using 55hp shot.
5 x 60sec = 300 seconds
300seconds/5seconds = 60
means you can use the nos for about 60 times if you push the button about 5 seconds each time you use it.
wenshen - thanks for the info, din know speedworks refills nitrous
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