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Lambda figures at top end.

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Old Oct 21, 2015 | 05:57 AM
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C63 2012 M156
Lambda figures at top end.
Hi folks,

For those that have had their M156s on the dyno what were your top end mixture numbers?

I am seeing about .81 factory and .78 tuned but found that leaning it back a bit gave more power and a cleaner top end.

I my experience NA cars will often hit the best performance at around .85-.84

Anyone had any experience running the M156 at these numbers at the top end?
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Old Oct 21, 2015 | 08:59 AM
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2012 c63 AMG, 2011 GLK 350, 2019 GLS 450
Originally Posted by Missionary
Hi folks,

For those that have had their M156s on the dyno what were your top end mixture numbers?

I am seeing about .81 factory and .78 tuned but found that leaning it back a bit gave more power and a cleaner top end.

I my experience NA cars will often hit the best performance at around .85-.84

Anyone had any experience running the M156 at these numbers at the top end?
What was your dyno numbers?
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Old Oct 21, 2015 | 10:00 AM
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C63 AMG
13.5 wot I think.
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Old Oct 21, 2015 | 02:58 PM
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2012 P31 C63 Coupe Trackrat, 2019 GLE63S Coupe Beast
I see 12.4-12.6 at WOT on my EC "Race" file

13.5 is WAY too lean
Last edited by BLKROKT; Oct 21, 2015 at 03:26 PM.
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Old Oct 21, 2015 | 04:20 PM
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C63 2012 M156
AFR we are seeing 11.5 which I think is too rich 12.4 - 12.6 is the target. We got more power from 11.8 and I suspect it will go better as we lean it out back to 12.4/0.84 - 12.6/0.85
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Old Oct 21, 2015 | 04:38 PM
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Anything W/4Wheels
I run custom tuning and my dd tune is 11.9-12.0. put down 470/440 DJ
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Old Oct 21, 2015 | 08:53 PM
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I see 12.4 to 12.8 at full throttle (MHP tune)
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Old Oct 21, 2015 | 09:42 PM
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C63 AMG
I meant 12.5 typo

Blower is 10.9 I think
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