Attention: TDR Forum Junkies 
I have the fass II at idle 20 psi and wo 17psi
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air dog just installed and the the FP gauge just installed today, took a test drive 21psi 18psi like the fass I feel better because I was watching the carter slowly going from 15. 5 to 10 and at time near 5 in a weeks time.
