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Old 10-06-2014, 07:10 PM   #25
Diesel Tech

Name: Diesel Tech
Title: #1 Crusty Old Fart
Status: Not Here
Join Date: Apr 2006
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Posts: 1,231
A purge isn't going to overcome the rail issues I pointed out. It will purge the line prior to the solenoid only. Doesn't matter how much pressure you have in the bottle the air in the rail and lines after the solenoid will cause the imbalance. The NOS is going to take the path of least resistance and that is going to be the shorted way out provided there are no kinks in the lines. Most people use a NOS solenoid that only has a 0.125" orifice in it so that's all its going to flow into that rail and lines. That and the fact that most of the time you turn the NOS on, it is already under boost slows the flow to the cylinders. While you may not think much of it matters, it is the small details that make one system work better than the others!
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