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Greetings,

I have always planned on installing my air induction system such that I
would have filtered air from a filter in the baffle in front of cylinder
#2 and unfiltered ram air from the scoop in the cowling.  There has been
much discussion here as to the benefits of the ram air (1-1.5"Hg).

As I proceed with firewall forward installation I see that the dual air
induction system is going to add quite a bit of work, complexity and
stuff to an already tight cowling.  I have to ask myself if it is really
necessary to have the dual induction system.

What is the common wisdom out there regarding this subject?  Did you
choose an alternate air because of icing?  Was it because you wanted
unrestricted ram flow for high altitude cruise yet need filtering for
low and ground operations?  What say you all?

I would like to throw out the proposal that one use only the scoop in
the cowling with a light filtering to keep the crud out, yet not
completely negate the ram effect.  I am certainly willing to give up
some ram effect for simplicity.

Thanks,

Dan Olsen
320 MKII
Fort Collins, CO
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