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Old 05-11-2018, 08:13 AM   #7
Overdriven
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Join Date: Mar 2016
Location: Long Island NY
Posts: 598
Re: Air Tank Mounting Question

As far as the pressure goes, why do you want to run more pressure? Let’s say you’re aired out, tank at 200psi and you air up to ride height. Tank pressure will probably drop to about 150ish. If you started out at 125psi you’d probably end up around 80ish, which is basically what my current compressor switch is set to. So by running higher pressure you get maybe one more fill of the bags before the compressor kicks on.

But you’re running the compressor to a higher pressure which arguably has more downsides. Higher pressure heats the air and compressor more, creates more moisture, more stress on the compressor in general. So you run the compressor maybe half as much but each time the compressor is run it’s with more stress. The Viair 444C’s you want to run have 100% duty cycle at 100psi, duty cycle goes down to 50% at 200psi because running to the higher pressure is more stressful. Of course running 2 compressors means they won’t be running for as long but they’d still last longer at lower pressure and you wouldn’t have to worry about the tank at all.

Last edited by Overdriven; 05-11-2018 at 08:30 AM.
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