dmhenderson's Nismo '12 GTM supercharged build thread where I freak out a lot

[Baer383]

Originally Posted by dmhenderson

Question: How badly do I need an AFR gauge? I picked up boost/vac & oil temp but the wideband AFR sensor module is like another $150 plus it has a sensor bung you have to weld into your freaking exhaust.

You really need to get one when I tune my car I use the gauge not Uprev plus the wide bands in our cars are not the most accurate as it goes up in RPM it is more off,mine are off 1full point at redline.