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Old 05-26-2008, 06:36 PM
Actros617's Avatar
Ich fahre dieseltypen
Join Date: Apr 2008
Location: Oklahoma
Posts: 1,103
Adla adjustment question

which way to turn for better fuel effiecny and which way for performance, i always get those mixed up...

Benz's in our garage
2008 E320 Bluetec 127k mi

1987 300SDL 200K+
1994 S320 181K mi


1995 E320 Special Edition [Rear ended]
1984 300SD [Head on collision]
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Old 05-26-2008, 08:56 PM
Join Date: May 2002
Location: Blue Point, NY
Posts: 25,396
Counter-clockwise to add more fuel at low rpm's.

You won't get any more efficiency by turning it clockwise...........the vehicle will just feel slower off the line.
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Old 05-26-2008, 10:51 PM
babymog's Avatar
Loose Cannon - No Balls
Join Date: Jan 2006
Location: Northeast Indiana
Posts: 10,767
I agree with Brian. One of my '87s I drove home 1200miles with an in-op overboost-relay (no boost enrichment which is like maximum ALDA limit), fixed it all, and get better fuel mileage with the system boosting/enriching properly (highway mileage). No magic fuel mileage improvement will be had by clockwise/lean adjustment to the ALDA.

Gone to the dark side

- Jeff
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Old 05-27-2008, 04:36 AM
Posts: n/a
You right foot is what controls economy and performance, the ALDA only prevents black smoke out the tailpipe if you mash the throttle off the line.

I have no ALDA at all (the same as turning it all the way out) and still manage 26+mpg average and I've seen as high as 29.5mpg.
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