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18-02-11, 11:34 AM
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#1
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Technical Expert R.I.P.
Join Date: Aug 2007
Posts: 9,239
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Not very functional when it's positioned at right angles to the direction of airflow, unless you spend a lot of time sideways, or is it extracting hot air.
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Hunter S Thompson
R.I.P. Peter David Scott 18.07.59 to 21.11.16
Will be missed by us all but we will always remember you.
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18-02-11, 11:51 AM
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#2
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Member
Join Date: Feb 2011
Location: Hemel Hempstead
Posts: 697
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Quote:
Originally Posted by petet16
Not very functional when it's positioned at right angles to the direction of airflow, unless you spend a lot of time sideways, or is it extracting hot air.
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So by that reckoning then no air comes into the car when you open the windows??
Yes a lot of air will blow past but it isnt at a right angle, and your theory would make the side vents on an MGF useless too!
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18-02-11, 11:57 AM
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#3
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Technical Expert R.I.P.
Join Date: Aug 2007
Posts: 9,239
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Yeah, lots of air comes in through open side windows, remove the windscreen and see the difference, mgf intakes have scoops iirc to help direct the air.
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__________________
It never got fast enough for me
Hunter S Thompson
R.I.P. Peter David Scott 18.07.59 to 21.11.16
Will be missed by us all but we will always remember you.
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18-02-11, 11:58 AM
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#4
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IT Administrator
Join Date: Oct 2007
Location: Winchester-ish
Posts: 5,092
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Quote:
Originally Posted by petet16
Yeah, lots of air comes in through open side windows, remove the windscreen and see the difference, mgf intakes have scoops iirc to help direct the air.
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MGF didn't... MGTF Did
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18-02-11, 12:01 PM
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#5
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Member
Join Date: Feb 2011
Location: Hemel Hempstead
Posts: 697
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Quote:
Originally Posted by petet16
Yeah, lots of air comes in through open side windows, remove the windscreen and see the difference, mgf intakes have scoops iirc to help direct the air.
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I would have liked to have the feed at the front and thought about removing the fog light but I decided against it. Otherwise its a case of cutting metal away and didnt want to do that.
The TF has scoops on the vents, the F doesn't.
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18-02-11, 12:17 PM
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#6
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Site Owner
Join Date: Jul 2007
Location: Waterlooville, Hants
Posts: 24,097
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Quote:
Originally Posted by petet16
Yeah, lots of air comes in through open side windows, remove the windscreen and see the difference, mgf intakes have scoops iirc to help direct the air.
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Big difference between open windows and a small aperture. The F ones are angled slightly, some has modified theirs to scoop more air in as it is not optimal in design.
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18-02-11, 12:38 PM
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#7
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Member
Join Date: Feb 2011
Location: Hemel Hempstead
Posts: 697
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Quote:
Originally Posted by stamford
Big difference between open windows and a small aperture. The F ones are angled slightly, some has modified theirs to scoop more air in as it is not optimal in design.
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I do agree that at speed it will not be optimal and I am looking into some sort of small side ram, a tiny Impreza vent would be nice , but there arent really any vents the ideal size or shape. I was thinking about modifying a gauge pod and fibreglassing and blending it in so it only appeared as a slight bulge but will do the job.
I bought the side scoops for my MGF but the (supposedly reputable) online company never delivered, never returned emails and never answered the phone, so I just lost out on them and never bothered trying to buy them again.
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