Look at this link and the graph will be clearer

214@ wheels with 18psi

P3 = Boost pressure

http://img.photobucket.com/albums/v4...hs/scanner.jpg

Here are a couple of mine

205@ wheels with 16psi

http://img.photobucket.com/albums/v11/rsturbos/205.jpg

200@ wheels with 16psi

http://img.photobucket.com/albums/v1...raphs_0031.jpg

199@ wheels with 16.8psi

http://img.photobucket.com/albums/v1...raphs_0051.jpg