I finally had a chance to run my car around on the highways tonight with the boost gauge. My boost peaks at about 8.5 psi at 3000 RPM and up. On the highway, with a light foot, the boost is at about 6 psi and very quickly jumps up to 8.5 with a little more weight from the foot. Not too bad. I think I'm going to install that boost controller though because I can't even begin to imagine how much better my car would run with 5 psi more.

Alex

__________________
1983 300D (parked for four years)
2012 VW Sportwagen TDI Manual
2001 Miata SE
1962 Chevrolet Corvair Rampside