Why overadjusting or removing ALDA is a performance DECREASE.

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Why overadjusting or removing ALDA is a performance DECREASE.

04-12-2007, 11:30 AM

winmutt

85 300D 4spd+tow+h4

Join Date: Apr 2006

Location: Atl Gawga

Posts: 9,346

Why overadjusting or removing ALDA is a performance DECREASE.

So I am hypothesizing here and please speak up if I am wrong....

Backing the ALDA all the way out or removing it is detrimental to your acceleration. Below full or half boost, etc, you are over fueling. Fuel takes up space in the cylinder (uncompressable), space that could be used by compressed air. With the ALDA properly adjusted you should see more acceleration as the AF ratio in the cylinder is higher than with it removed or backed all the way out. Not to mention the fact that you are just wasting fuel.

Thoughts?

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