| madmaxx |
12-15-2011 07:41 AM |
Hood scoop opening and Rain
Anyone have a good idea on how to plug the air scoop opening if you get caught in the rain?
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| Mark IV |
12-15-2011 07:47 AM |
Quote:
Originally Posted by madmaxx
(Post 1165695)
Anyone have a good idea on how to plug the air scoop opening if you get caught in the rain?
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Unless you are concerned about water spots on your polished engine parts, it is not an issue.
Cut a piece of foam to stuff in the opening if you are worried, but we have nemerous customers driving in heavy rain with no concerns. |
| JBCOBRA |
12-15-2011 08:10 AM |
I have driven in the rain a bunch of times and virtually no water (maybe a few drops) goes in the hoodscoop.
Why? Because the Big opening in the front of these cars allows so much air in, the scoop becomes an Exit for the air under the hood. No air actually goes in the scoop when driving unless your hood is sealed to the engine.
Basically all scoops do is allow for more carb/engine room under the hood, unless of course if the scoop is a sealed system.
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| mickmate |
12-15-2011 09:15 AM |
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| madmaxx |
12-15-2011 09:29 AM |
I have a polished engine, kinda makes sense air may exit due to air entering the front. Please keep the ideas comming.
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| ItBites |
12-15-2011 09:34 AM |
Masking tape? But then again I live in AZ, so really have no experience with rain... hahaha
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Quote:
Originally Posted by JBCOBRA
(Post 1165705)
I have driven in the rain a bunch of times and virtually no water (maybe a few drops) goes in the hoodscoop.
Why? Because the Big opening in the front of these cars allows so much air in, the scoop becomes an Exit for the air under the hood. No air actually goes in the scoop when driving unless your hood is sealed to the engine.
Basically all scoops do is allow for more carb/engine room under the hood, unless of course if the scoop is a sealed system.
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not necessarily true...
at least on my "non-sealed" hood scoop. I did a significant amount of testing on the subject. On an 80 degree day, car fully warmed up, driving down the road @ 45mph, I popped the hood and did some infrared temp scans on the top/sides of my air cleaner lid. It was dead on 80deg, the same as the outside temps. I tried it on several different days, temps and mphs. The same results were evident, ambient temps on the air cleaner cover.
For the OP, I never had any significant rain come in either.
Here's the setup I run.
http://i140.photobucket.com/albums/r...vecovers-1.jpg |
| JBCOBRA |
12-15-2011 09:50 AM |
Christmas is coming.....wanna make a wager:3DSMILE:;)
The first time I drove in the rain I was on my way to Watkins Glen (250 miles)
I was worried my engine was getting wet/soaked...with the dizzy being right there I didn't want to get stranded on the NorthEast Extension:eek: etc.. So I pulled over to check (in a downpour) and the engine was dry as a bone. I would have never believed it myself. That is when I realized what was happening with the air flow.
Tape some yarn on the front edge of the scoop. They will stand straight up when driving, not hiding in the scoop ;)
Quote:
Originally Posted by undy
(Post 1165725)
not necessarily true...
at least on my "non-sealed" hood scoop. I did a significant amount of testing on the subject. On an 80 degree day, car fully warmed up, driving down the road @ 45mph, I popped the hood and did some infrared temp scans on the top/sides of my air cleaner lid. It was dead on 80deg, the same as the outside temps. I tried it on several different days, temps and mphs. The same results were evident, ambient temps on the air cleaner cover.
For the OP, I never had any significant rain come in either.
Here's the setup I run.
http://i140.photobucket.com/albums/r...vecovers-1.jpg
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| madmaxx |
12-15-2011 12:27 PM |
You guys are too cool. when i get home i am going to turn on both fans and see how much air is exiting. got caught in a freak rain last week, not a cloud around.
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| Bobcat |
12-15-2011 02:37 PM |
It rained one day during the HPDE event at VIR for SAAC convention in the rain this past summer at a little over 100 mph and had no rain/water problems at all . Except for what came off the track on the underside , the engine was dry .
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| xb-60 |
12-15-2011 02:37 PM |
Quote:
Originally Posted by JBCOBRA
(Post 1165730)
...Tape some yarn on the front edge of the scoop. They will stand straight up when driving, not hiding in the scoop ;)
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That's good advice. If you want to check the airflow anywhere on the bodywork, use some wool/yarn.
Cheers,
Glen |
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