 Front hood scoop |
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| Stonepilot |
 Jan 4 2012, 02:07 PM
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#1
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Newbie  Group: Members Posts: 20 Joined: 6-December 11 From: Pensacola, Florida Member No.: 13,863 Region Association: South East States  |
Anybody done one of these? Got a picture would love to see what it looks like? Thank you
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Replies(40 - 46)
| brant |
Jan 6 2012, 03:13 PM
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#41
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914 Wizard Group: Members Posts: 11,645 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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QUOTE(bulitt @ Jan 6 2012, 02:09 PM)  QUOTE(brant @ Jan 6 2012, 10:25 AM) cross post from my street car thread: I'm thinking you could close off the front half of your opening and not lose much airflow? My front opening is smaller than the liscense plate I leave the plate on most of the time and only pull the plate when I need the cooling... (ie: heat of the summer, or track time) I've use the exact (and acutal) same cooler in three different exit configurations each one opened up and increased the exit size, and correspondingly dropped the oil temperature this one has a HUGE exit for a very small cooler and is 20degrees F cooler oil temps on the track than my most restrictive experiment (same cooler, same car, same motor, different day) I agree with the old rule of thumb about using 2x the exit size of your cooler entrance size.... (that hot air expands and a good exit draws more air through the cooler) |
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| SirAndy |
Jan 6 2012, 03:53 PM
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#42
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Resident German Group: Admin Posts: 41,711 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(brant @ Jan 6 2012, 01:13 PM) this one has a HUGE exit for a very small cooler and is 20degrees F cooler oil temps on the track than my most restrictive experiment (same cooler, same car, same motor, different day) One would think that with a louvered cover (even if only partially covering that huge hole) you could get pretty close to the same actual open surface but with a much better visual result. (IMG:style_emoticons/default/idea.gif) |
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| MDG |
Jan 6 2012, 04:21 PM
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#43
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Wolf in wolf's clothing. Group: Members Posts: 8,652 Joined: 3-February 09 From: Toronto Member No.: 10,018 Region Association: None |
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| wingnut86 |
Jan 6 2012, 04:25 PM
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#44
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...boola la boo boola boo... Group: Members Posts: 1,053 Joined: 22-April 10 From: South Carolina Member No.: 11,645 Region Association: South East States |
Hey,
I thought Danny Bonaducci from "The Partridge Family" had lost his license on crack. But there he is behind the wheel. (IMG:style_emoticons/default/happy11.gif) |
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| pt_700 |
Jan 6 2012, 04:36 PM
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#45
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Senior Member Group: Members Posts: 1,095 Joined: 4-March 10 From: san jose, ca Member No.: 11,430 Region Association: Northern California
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i wonder if those extraction vents on the hood might feed hot air into the cockpit with the top off on warm days?
do any of the posters with wheel well vents drive in the rain or dusty conditions? might this make the front trunk dirtier? |
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| SirAndy |
Jan 6 2012, 05:33 PM
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#46
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Resident German Group: Admin Posts: 41,711 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(pt_700 @ Jan 6 2012, 02:36 PM) i wonder if those extraction vents on the hood might feed hot air into the cockpit with the top off on warm days? do any of the posters with wheel well vents drive in the rain or dusty conditions? might this make the front trunk dirtier? There is no *might* about it. Yes, even with the screens used on some, there's a lot of dirt in the front trunk. As for the hot air over the windshield, yes, you can feel it but it disperses pretty quickly. One would have to run a couple of tests with a few sensors around the car to get exact numbers. However, my point still stands. I'd rather have the air up and away than under the car where it will create additional lift. Not much of a problem for street driving, but at the track, you'll want all the help you can get. A 914 can get pretty "light" above ~120mph ... (IMG:style_emoticons/default/driving.gif) |
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| PeeGreen 914 |
Jan 6 2012, 05:51 PM
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#47
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Just when you think you're done...wait, there is more..lol Group: Members Posts: 10,219 Joined: 21-September 06 From: Seattle, WA... actually Everett Member No.: 6,884 Region Association: Pacific Northwest
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QUOTE(SirAndy @ Jan 6 2012, 03:33 PM) QUOTE(pt_700 @ Jan 6 2012, 02:36 PM) i wonder if those extraction vents on the hood might feed hot air into the cockpit with the top off on warm days? do any of the posters with wheel well vents drive in the rain or dusty conditions? might this make the front trunk dirtier? There is no *might* about it. Yes, even with the screens used on some, there's a lot of dirt in the front trunk. As for the hot air over the windshield, yes, you can feel it but it disperses pretty quickly. One would have to run a couple of tests with a few sensors around the car to get exact numbers. However, my point still stands. I'd rather have the air up and away than under the car where it will create additional lift. Not much of a problem for street driving, but at the track, you'll want all the help you can get. A 914 can get pretty "light" above ~120mph ... (IMG:style_emoticons/default/driving.gif) (IMG:style_emoticons/default/agree.gif) The last thing I would think you would want to do is make it any lighter in the front by adding lift. Going around a sweeping bend at 100+ it feels light enough without the added lift. (IMG:style_emoticons/default/blink.gif) |
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