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Old 11-27-2012, 02:33 PM   #90
Scooby Guru
Member#: 261612
Join Date: Oct 2010
Location: Minneapolis, MN
2002 WRX - 750WHP
9.5s @ 150mph


Originally Posted by xluben View Post
What is your boost pressure at peak power? Changes in boost can have a pretty significant impact on power output.
Here is an example of that, which I did a few days ago:

I did back to back pulls on the same stretch of road at varying boost levels and then plotted out the results in Virtual Dyno (reads very similar to the Dynojet that I was on for the original post). I did pulls at 20psi, 24psi (really more like 23.5psi) and then 27psi. The back to back results at each boost level were consistent withing a couple HP, and each increase in boost changed the peak power by about 40WHP.
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