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performance data
Posted by SG (more from SG) on Thu, 28 Jul 2011 18:19:00
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So, I got to run a 0-60 run on first and second gears on my 2007 9-5. I collected data from the obdII port with auterra dyno scan, here are some numbers:
first comumn: air mass flow lb/min
second: engine rpm
third: vehicle speed mph
fourth: intake manifold pressure inHg
1st gear
lb/min rpm mph inHg
15.74 3964 17 51.2
22.62 5321 34 53.6
26.63 6332 40 47.4
2nd gear
20.32 4836 47 51.2
23.31 5469 52 52.1
24.16 6012 58 49.7
22.05 6383 61 37.9
What do you guys think about the numbers? How doest intake manifold pr. relate to boost pr.? The ambient temp was about 80F. Air density is 0.074, which gives peak cfm of 350cfm! Guess a 3rd gear run would yield even more cfm?
posted by 68.55.19...
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