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Engine Cover - Serve any real purpose?

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Old 07-26-2004, 03:11 AM
  #26  
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Originally Posted by thew
you can put an electric fan under the hood if you really want to force the air out.. you can even set it up on its own thermostat. .. just mount it on the hood with about 2 inches of space..

of course you could just leave the cover off.
We already have one ever here that noise when you've run the car for a while on a hot summers day?
Old 07-27-2004, 01:09 AM
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Anyone know how the engine heat is routed out through the gills behind the front wheelwells? Does the engine cover influence that airflow?
Old 07-27-2004, 02:59 AM
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Yes it does... while the car is moving the air flowing up is directed down and to the left and right out the sides as well as downward.

Also when our cool down fan turns on once the car is parked and off, it helps to direct the air that is being blown by the fan down and to the left and right.
Old 08-03-2007, 10:17 AM
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Wow. We need to clean this up with disclaimers, "Everything mentioned in this thread is heresay and bullschnit".

Yes this a thread ressurection but when people tell you to go search what do they expect? Such authority and confidence coming from Polak too...
Old 08-03-2007, 11:20 AM
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^^ He was young then
Old 08-03-2007, 11:01 PM
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O wow... then seriously is the engine cover useful?
Old 08-04-2007, 07:36 AM
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No. It's a fad in car design to make the engine bay look pretty. To say that the hood which is negligibly 1" above the car wouldn't move air the same was is ridiculous.
Old 08-04-2007, 12:32 PM
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strictly cosmetic IMO
Old 08-04-2007, 12:33 PM
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Bye Bye Cover.
Old 08-04-2007, 12:41 PM
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others here claim otherwise, I don't agree ...
Old 08-04-2007, 08:33 PM
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Mine's off
Old 08-04-2007, 09:54 PM
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I have mine off. I honestly don't see how a piece of plastic sitting less than inch below the hoods directs air differently than the hood itself.

But why does Mazda call it a "Surge Tank"?
Old 08-07-2007, 10:57 PM
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Originally Posted by dannobre
^^ He was young then
It was also before he got the KW Variant 3's


I've read almost every thread and I don't see how it would force more flow out the side vents or anywhere else.

However the hood does get super hot with out it.

Look at any engine now a days. All you see is bull **** lastic and not the engine.

I usually run with out it.
Old 08-07-2007, 11:31 PM
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Originally Posted by Razz1
It was also before he got the KW Variant 3's


I've read almost every thread and I don't see how it would force more flow out the side vents or anywhere else.

However the hood does get super hot with out it.

Look at any engine now a days. All you see is bull **** lastic and not the engine.

I usually run with out it.
The cover takes the heat and does keep it off the hood, but yes I agree with the notion of it being useless since the hood is basically an inch above it.
Old 08-08-2007, 06:52 AM
  #40  
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It makes a nice decoration on my garage wall.
Old 08-09-2007, 08:42 AM
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Originally Posted by PoLaK
while the car is moving the air flowing up is directed down and to the left and right out the sides
There is no connection to the side vents from the endine bay. There is a solid structural steel wall between them, so no modification is advisable to make a connection.

Someone posted a pic of the car with the fender off, and it was clear that there would be no safe way to route hot engine air to the side vents except through the wheel well
Old 08-09-2007, 09:26 AM
  #42  
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Why not just get an aftermarket hood with vents up top. With all the air flowing into the bay it certainly wouldn't hurt to have an additional vent somewhere...
Old 09-10-2007, 01:36 AM
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what if you have the mazdaspeed intake and then get a vented hood? probably a cover would help then .. but the cover wont be able to bolt in because it's missing the 2 holes to plug into in the stock airbox .. is there a workaround for this?
Old 09-10-2007, 02:22 AM
  #44  
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Yes, the workaround is the fact that you're only missing the bottom right corner with the MS intake. It fits fine.

I took my engine cover off, and suddenly I got terrible gas mileage. I was getting ~35-40 mpg before. So it's glued to the tower strut bar now. Literally.
Old 09-17-2007, 10:15 PM
  #45  
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Originally Posted by zenmoused
Yes, the workaround is the fact that you're only missing the bottom right corner with the MS intake. It fits fine.

I took my engine cover off, and suddenly I got terrible gas mileage. I was getting ~35-40 mpg before. So it's glued to the tower strut bar now. Literally.

35-40mpg wtf?
Old 09-17-2007, 10:21 PM
  #46  
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Originally Posted by zenmoused
Yes, the workaround is the fact that you're only missing the bottom right corner with the MS intake. It fits fine.

I took my engine cover off, and suddenly I got terrible gas mileage. I was getting ~35-40 mpg before. So it's glued to the tower strut bar now. Literally.
35-40 !?!?!?!?!?!?!?!?!!??!?!?!?!?!?!?!~
Old 09-18-2007, 12:55 PM
  #47  
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Originally Posted by jskup1
It makes a nice decoration on my garage wall.
Drill a hole in it & fit a clock mech, into it. Volla, a new clock for your garage
Old 09-18-2007, 12:58 PM
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Originally Posted by nycgps
35-40 !?!?!?!?!?!?!?!?!!??!?!?!?!?!?!?!~
I think it's called sarcasm.
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