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Re: 4000 breathing
The risk with taking air from under the car is that, if you get into a heavy
rain or flood situation, the water getting sucked in can blow your engine.
This happened to a guy on one of the BMW lists a while ago.
Steven Hill wrote:
> To all those 4Kq owners out there who want their car to breathe a bit
> better, I have a hint. It seems to work for me, not quantifiably, but
> seat of the pants (and for those of you who have experience with CIS
> cars, and especially 911s so fueled, you will know what I mean)-I simply
> took the hose from the airbox to the heat shrouding on the manifold and
> zip tied it down near where the tow ring mounts, so that it gets some
> airflow when motoring along. Now, instead of a constant diet of warmer
> air, the car is breathing a bit easier, with no holes cut, no chicken
> wire magic, just a stock paper filter and a tad more cool air to the
> I have noticed a seat of the pants difference, can feel the car
> breathing a bit easier...not a huge difference, but noticable. And the
> car revs a bit more freely, not a usual thing for most CIS cars I have
> found. Maybe someone out there will try this and counter my opinion,
> but 'tis working for me.
> Interested to see if anyone else finds it effective.
> Steve Hill