Originally Posted by
ZR
To me, A/F gauge is nothing but annoying, makes peeps worry for no good reason besides moves around so much it's distracting to monitor closely. For how I use my car, boost / fuel pressure / volt are what I consider priorities. When your making big boost for extended periods of time, like road course, ambient heat n repeated boost cycles up and down can see vac line blown off. Used tablet + torque to monitor coolant temp gauge to get a better handle on when I should worry.