Thread: Cobb Logs
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      12-27-2012, 08:42 PM   #8
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South Africa

Drives: 2005 C55 AMG
Join Date: Jan 2011
Location: Oxford

iTrader: (2)

Originally Posted by Suds
From what I've seen most ECU tunes control mass air flow rate, on cold days the boost is lower because the air is more dense. I've seen this in my data logs, boost pressure is lower now that it s cold, but mass air flow is the same.
Good old Ideal Gas Law, PV=mRT.
I agree with you there! The car certainly feels strong with even only 12 psi.

I would love to log mine to compare but my obd2 needs fixed first. Connections are loose. Im wondering if the new charge pipe may have introduced a boost leak?