Probably never noticed it - during my stint in engineering at OMC I ran 
a lot of hours testing on Lake Michigan - there were several other OMC's 
out on endurance that ran everyday - I do not recall ever seeing anyone 
run with the engine cover off - so it is likely no one ever had the 
chance to notice the difference - Dave
jdood wrote:
>So if the engine runs better with vents, now I am wondering why they
>didn't put them in originally?  Noise?  Or is there some special
>marine/safety issue with venting it?
>
>-----Original Message-----
>From: owner-omc-boats@... [mailto:owner-omc-boats@...]
>On Behalf Of David
>Sent: Tuesday, September 12, 2006 6:21 AM
>To: omc-boats@...
>Subject: Re: [omc-boats] venting the cowling
>
>It wouldn't hurt anything to put a vent in - but I think I would put it 
>on the port side of the cowling - where the carb is located  since you 
>wouldn't see it there - Dave
>
>jdood wrote:
>
>  
>
>>I have a 65 omc deluxe i/o that I know little about.  I have been
>>finding that it seems to be running better without the cowling on the
>>engine.  Perhaps my imagination, but I don't think so.   So did those
>>cowlings ever have vents in that nice flat section of the front that
>>seems perfect for a vent grill?  Would I be screwing anything up to put
>>one in there?  Those little grills in the back seem kind of useless.
>>
>>Thanks for any comments!
>>
>>jeff
>>
>> 
>>
>>    
>>
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>
>  
>
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Received on Tuesday, 12 September 2006
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