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  #1  
Old 05-29-2007, 03:57 PM
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Switchover connections

Quick question about the switchover valve connections.

What hose connects to what? It WAS connected intake side to the top, ALDA to bottom. I then saw a picture of it connected intake to bottom, ALDA to top. What's the proper side, or does it not matter?

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Old 05-29-2007, 05:49 PM
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Mine is intake at bottom and alda off to side. Top is vent. 84/85 300D
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Old 05-30-2007, 10:03 PM
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Intake on bottom.
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Old 05-30-2007, 10:11 PM
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Does it matter much? Performance did seem a little less the old way, intake on top.
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1987 300D (white/blue)
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OM603 with #14 head
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  #5  
Old 05-30-2007, 11:24 PM
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Quote:
Originally Posted by Mike_Hawk View Post
Does it matter much? Performance did seem a little less the old way, intake on top.
It doesn't matter until the switchover valve actually functions (which it may or may not do). When it works, it should vent the ALDA line to the atmosphere.

If you reverse it, you get the manifold line vented to the atmosphere and the ALDA line closed off. But, the ALDA's usually bleed pressure a bit anyway so........effectively.........the result will be the same.

The performance change is due to the placebo effect.

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