I have a 1999 (built 7/98) F-250 7.3 powerstroke and am trying to figure out turbo boost levels some are seeing. I would like to actually know what the stock psi is so i can see if my guage is accurate.

I had a 2002 7.3 f-350 and it maxed out at 26psi with a bullydog it would sometimes see 28psi