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Re: K&N hop ups

On Mon, 17 Apr 1995, Rolf Mair wrote:

> all arounf the airbox area, noting where the cool spots are. Almost
> always, this will be on the farthest side from the engine. A racer friend
> or a respectable service station might have the pyrometer. Seconf, find a
> good strong fan, either industrial, or a good house fan and place it in
> front of the car. tape small, but long strips of tissue paper in front of
> and around the air box and see where the airflow is in the area. Also, see
> if your heat check has changed now that flowing air is present. With that,
> you can now add holes, knowing 1-where cool air is and 2 where the air

I did something similar already, I took my far infra-red gogs, (not the 
near IR like night vision) and looked at the hot spots in the engine 
compartment.  It is REALLY hot near the airbox, due to the exhaust 
manifold being inches away.  On the rear side of the airbox it is rather 
cool, but get no good smooth airflow.  My idea, was to cut a good size 
hole on the HOT side of the airbox (Only for accesability reasons) and 
put in a duct to behind the grill, which will force in cold air. Being on 
the hot side wont matter at that point.  Come winter I can either leave 
it (And hope my warm air flapper works,) or take out the plumbing and 
cover the hole ...what do you think....


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