C63 AMG (W204) 2008 - 2015
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474 whp

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Old 07-16-2020, 11:07 PM
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2008 C63 AMG
474 whp

Was lucky enough to get a few dyno pulls this afternoon. Overall, I'm happy with the results. Mods are in my sig.

I had purchased this car with a tune and was curious what it was making for power. Although the AFR's aren't in the graph, I was surprised at how lean (high 14s and 13s) they were in the lower RPM ranges and how rich (mid 11's) in the top end. I found that strange but I'm new to the N/A world.



Old 07-16-2020, 11:09 PM
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2008 C63 AMG
Just attaching the AFR's for those interested.
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DataMite Analyzer (2).pdf (35.6 KB, 68 views)
Old 07-17-2020, 08:27 AM
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2009 C63 AMG
Originally Posted by CanadianC63
Just attaching the AFR's for those interested.
Who tuned it? You are running quite rich near red-line. Leaning out slightly would help.
Old 07-17-2020, 10:15 AM
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Originally Posted by Jaideep Singh
Who tuned it? You are running quite rich near red-line. Leaning out slightly would help.
I’m actually not sure since it had the tune when I purchased it. I agree though, it’s rich up top and lean down low. Not sure if that is typical for aftermarket tunes.

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