Quote:
Originally Posted by WD8CDH
What a lot of people forget is that the ALDA is not a control, it is a LIMIT. If the "GO' pedel isn't pushed down to the point of overfueling on a properly adjusted ALDA, the ALDA does nothing so it should not effect part throttle cruising economy or power.
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This bears repeating.
The rack controls all.
Your right foot controls the rack.
If the ALDA is in place and functioning, the spring system prevents the IP from providing the full fuel that is demanded by your right foot, because there is insufficient air to use that fuel. The cylinders are then overfueled and black smoke will be the result. Performance will probably not suffer markedly unless the smoke is very severe.
If the ALDA is removed, you can achieve the exact same results by not mashing your right foot when the engine is off boost. Give it 50-60% fuel until the revs climb up above 2200. Then you can provide full fuel if necessary.