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Thread: My Viper tuned RS6 vs. Stock dyno day

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  1. October 6th, 2010, 21:02 #1
    viperbl
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    Quote Originally Posted by vr430 View Post
    I take it top graph is yours and bottom is stock. Looks nice and flat.

    However, isn't the car running a little lean? You are not getting detonation at higher RPM? Were you running C16 on the dyno? It would be nice to see boost profile.
    Its not lean, in fact, its a little on the rich side at the top end if anything.
    Custom VAG Tuning on RS6's - Email rich at vipertuning.com for details
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  2. October 6th, 2010, 21:25 #2
    vr430
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    Quote Originally Posted by viperbl View Post
    Its not lean, in fact, its a little on the rich side at the top end if anything.
    Sorry, to me "lean" means low A/F ratio.
    2003 RS6 MTM, RNS-E, 2007 Q7 and 1999 A4
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  3. October 6th, 2010, 21:31 #3
    viperbl
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    Quote Originally Posted by vr430 View Post
    Sorry, to me "lean" means low A/F ratio.
    Lean refers to low fuel to air mixture
    So for example 16:1 AFR would be lean
    And 10:1 AFR would be rich
    Custom VAG Tuning on RS6's - Email rich at vipertuning.com for details
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