perfectly normal at idle. my stock gauge reads 15 at idle and doesnt move past 40 at wot. i have a mechanical gauge to, and it reads 18-25 at hot idle, and 60+ at WOT. that is lower than most engines run but normal for an lt1.
1994 Z28 A4
383 LT1 - LE Trickflows - LE Ported Intake - Jones Cam Designs Solid Roller
Strange s60 4.30 - 4L60e - SS4000 - 3400 lb - 28" MT Radial
Best ET 10.87 @ 123.66 - 1.49 60 ft - +1600 DA
Under the knife again... LE Victor EFI, Holley Dominator ECU, 13.5:1, E85, Custom SR