E-Class (W211) 2003-2009

E55 Amg Dyno run

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Old Aug 19, 2014 | 05:22 PM
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demetaktak's Avatar
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From: Tbilisi, Georgia
04 E55 w211
E55 Amg Dyno run

hi all,

finally had my car put on Dyno. It's 04 E55 V8 Kompressor with only ECU remap and resonator removed.

the results were 444.6 rwhp and 584 bhp. but the tuner said that it would go more, at least 460 to the wheels if the gear didnt change. in dyno manual mode, the third gear kept changing to the fourth and we couldnt keep up the high rpm.
what could we do to get the real reading?

another issue that arose was the air to fuel ratio. it dropped to 10.
i was told that its too low and that i should have it raised to 12-12.5 maybe this was because the dyno test was done inside a building. idk.
anybody has experience with this? what should i do? what effect will it have on fuel consumption.

p.s. gotta admit it though, 444.6 to the wheels with just ecu is pretty cool, and knowing it should be 460 is even cooler.

thanks in advance.
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