need help with gauges

[manny]

witch gauges should I use with a vortech supercharger a blower pressure gauge or a boost/vacuum gauge.

 

[Ghost001]

I'm no expert, but I'd say the following gauges, in order of importance:
1. Wideband A/F
2. Fuel pressure
3. boost/vacuum

The 3rd gauge would read vacuum and boost, so it would go from around -25 inches of vacuum up to around 20 psi of boost.

My new Stang doesn't have a supercharger, but I ordered a Stewart Warner boost/vacuum gauge from SummitRacing.com. I got the SWW-114545, because I wanted a 2 5/8" gauge:

http://store.summitracing.com/egnse...acuum+gauge+boost&searchinresults=false&N=115

It's nice to be able to measure both vacuum and boost.