W211 AMG Discuss the W211 AMG's such as the E55 and the E63
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Disappointed with my car performance on dyno !!!!

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Old 10-07-2011, 05:52 PM
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Even with Meth, I think you are a little on the rich side. For me, a 50/50mix only gives me + .4 AFR. So if 11.5 is your goal without meth, you could tune to 11.1 with Meth. I have seen some posts lately with huge AFR deviations with Meth, and I cannot explain that. It does not do that to me.

Did you get a flasher from Jeremy? If so, he could pull a little fuel in the right areas and zap you a file... I am testing a new file tonight WOOT
Old 10-07-2011, 06:22 PM
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Originally Posted by Bramage
Even with Meth, I think you are a little on the rich side. For me, a 50/50mix only gives me + .4 AFR. So if 11.5 is your goal without meth, you could tune to 11.1 with Meth. I have seen some posts lately with huge AFR deviations with Meth, and I cannot explain that. It does not do that to me.

Did you get a flasher from Jeremy? If so, he could pull a little fuel in the right areas and zap you a file... I am testing a new file tonight WOOT
Yes I have the flasher, I will email Jeremy again and see if he can prepare another file to push the AFR a little up toward s 11.3. I guess I would be safe even if water/methanol failed.

are you testing a new file to correct your AFR or better version of mapping ?

Last edited by ahmad0658; 10-07-2011 at 06:26 PM.
Old 10-07-2011, 06:42 PM
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New tune for Long Tube headers which were installed this week

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