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Thanks to the disign of the boost controller (it's a pressure reducing valve, not a bleed valve, and so has a small amount of 'feedback') the boost curve was flat. So my 14 psi was seen at the top end as well as when boost initially hit.
Oh, none of the speeds were power limited top end, they were acceleration runs that cut of after a defined distance that was also uphill. With my boost controller set to 4psi (wastegate pressure on most electronically controlled cars) it would hit its 180km/h limiter given a half decent straight road, but up the test hill the car struggled to top 110...
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