<VV> Spark Delay Valve - yay or nay?

[Ron]

Apparently they were commonly used as both forward delay valves and reverse 
delay valves, depending on the drivability problem.  I believe that the 
Corvair application would be the forward delay valve in which case the black 
or red side is toward the vacuum source (carburetor).
RonH

>>
>> Does anyone remember which way the SDV is placed on the vacuum line?  Is
>> there some universal coding to identify it's orentation?
>
>
> The one I have is stamped "carb" on one side and "dist" on the other.
> Apparently these are color coded to identify the time delay, see:
> http://www.rockauto.com/catalog/raframecatalog.php?catalog=154&partnum=DSV26&a=FR154-DSV26 - 
> Steve
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