Engine temperatures
Team Owner
Joined: Aug 2006
Posts: 24,125
Likes: 15
From: Columbia Missouri
Originally Posted by Vesa
Very, very pretty. Yeah, what I'm talking about wont work for you. For me it will though...
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Team Owner
Joined: Aug 2006
Posts: 24,125
Likes: 15
From: Columbia Missouri
Originally Posted by clintwilson
200-205 is not a problem. my guage runs over 200 all the time. i bought a ir temp gun to check actual engine temps. bottom line dont trust guage.
Yeah, start worrying when you get to 220 and it's still climbing. I don't remember what temp it'll hurt itself at but I've seen 270 before I shut it off, popped the hood, and put four fans on it.
Melting Slicks
Joined: Dec 2001
Posts: 2,025
Likes: 1
From: Billings MT
The air has tons of room to escape the engine compartment. There is (usually) a high volume of fast moving air under the car which evacuates the engine compartment quite effectively.
Oh, and your temps sound find.
Oh, and your temps sound find.
Race Director
Joined: Feb 2005
Posts: 16,100
Likes: 17
Originally Posted by VETDRMS
The air has tons of room to escape the engine compartment. There is (usually) a high volume of fast moving air under the car which evacuates the engine compartment quite effectively.
Oh, and your temps sound find.
Oh, and your temps sound find.
including air escaping from side vents..From your video,I see your interest in the 540....I don't drag race,but used to autocross many years ago...this guy used to run a 540 in pic below....5.6 in 1/8 mile...
Last edited by rihwoods; Aug 28, 2006 at 09:50 AM.
Team Owner
Joined: Aug 2006
Posts: 24,125
Likes: 15
From: Columbia Missouri
Originally Posted by VETDRMS
The air has tons of room to escape the engine compartment. There is (usually) a high volume of fast moving air under the car which evacuates the engine compartment quite effectively.
Oh, and your temps sound find.
Oh, and your temps sound find.
I like the smilies someone arted into the pic.
Team Owner
Joined: Aug 2006
Posts: 24,125
Likes: 15
From: Columbia Missouri
Originally Posted by VETDRMS
Durango Boy: I added those, thank you. It was my first time to the drag strip and from where I was sitting I couldn't tell how big the burnout was...
Hope you were wearing ear plugs. Man those places can be loud.
Intermediate
Joined: Jul 2006
Posts: 40
Likes: 0
From: Livermore California
Originally Posted by Vesa
the reason is that when the air hits hard the windshield, most parts of the air bump upwards but some part of the air do not have "room" so they must bump downwards (that is some physics...) and thus heads inside...
Team Owner
Joined: Aug 2006
Posts: 24,125
Likes: 15
From: Columbia Missouri
Originally Posted by Richieboy
Its more physics than "bumping" air down. As the car is in motion high pressure air is directed up the hood to the windshield and over the roof. Where the hood and windshield meet is a hard angle, so low pressure air "builds up" if you will, in that valley so the high pressure air can make the angle transition easier. Air flows from high pressure to low pressure(which is how wings on airplanes work), this creates a vacuum in both the valley at the windshield and at the point where the rear window meets the body(on early bodied C3's for example where the rear window isnt fully sloped like later C3's). If you happen to have a hood or scoop in that valley you will create a vacuum into that opening provided the air in the opening is a lower pressure than that of the outside high pressure air.
And if you have a front air dam, wouldn't that offset the vacuum a little if not over-power it and expel the hot air.
Race Director
Joined: Feb 2005
Posts: 16,100
Likes: 17
Originally Posted by Durango_boy
And if you have a front air dam, wouldn't that offset the vacuum a little if not over-power it and expel the hot air.
I have an air dam....and a high pitch fan...no effect on cowl suction/vacuum...
Rich