Slayer952

What's the general opinion of the Deutsch Nine Turbo RS Heat Extraction Vents on the 952/951?
Both from a functionality aspect as well as the asthetic angle?

http://www.deutschnine.com/mm5/merch...-aero-dynamics

ritzblitz

On the right car, they are badass.

From functionality, I have no idea. If air flows past an opening does it suck the air out from the opening? Or does it just flow past...? Either way heat rises so the hot engine air can escape.

V2Rocket

the hot air in the engine bay gets pulled out by colder air passing over because of pressure differential at speed.

while idling it simply lets hot air vent from the engine bay which can help keep underhood temps down

Slayer952

I like the fact they are understated and don't stand above the body level like most of the aftermarket stuff you see on the rice-rockets

V2Rocket

its the same concept as the hood vent on a mitsubishi evo. hot air gets sucked out as the car moves along.

lovemyp-car

love em, wish i had money so i could buy stuff like that.......

potent951turbo

The Deutsch Nine stuff is top notch

pwnmastap

hell yea!!!!

GloriaRedStang

Would an n/a benefit from these vents? They look cool.

JimV8

I guess is a matter of personal taste but I like the look of the hood without holes. As far as heat goes is the problem at idle? If so I haven't seen it as the fans come on and those force the hot air out the bottom anyway. IMO a good way of pulling out of the engine would be to put a small wing on the crossmember under the rear of the engine and create venturi. Its got to be possible as the bottom is a low pressure area and possible more aero effective than the top of the car. I recall back-in-the-day that GM put intake ram scoops just ahead of the windshield because that was a high pressure area. The bottom air extractor could be a lip spoiler made of the rubber similar to the lip under the bumper of my GM Savanna van. It's lasted 310,000 kms. Mounting it would be easy too by using the screws that hold the tray. If anyone's interested let me know. BTW I own a fabricating shop.

V2Rocket

jim, its not really a problem with air under the hood, but it is nice to be able to vent it. you are correct that the cowl hoods suck in from a high pressure area, right in front of the windshield. however air traveling over the hood is still low pressure which would pull high pressure hot air in the engine bay out.

it would work certainly on an NA but wouldn't do much other than cool off the motor. the real use for these vents is in the turbo cars; air gets forced in the engine bay through the bumper, through the intercooler and kind of gets stuck in the engine bay until it gets pulled out the bottom. having these vents on the top of the hood would create a more constant airflow which would, i imagine, give a slight bump in performance (more airflow=cooler IC temp)

as for the lower spoiler i would be interested but would like to see the results of using such a spoiler first related to ground effects etc

Lorax

The engine bay of a 951 for example has a lot of high pressure at speed, this helps that problem.

There is plenty of "in" and not enough "out"

Removing the seal on the firewall can help this as well.

V2Rocket

very nice, simple explanation lol.

944-LT1

Definitely not for the daily driver. Lots of water on parts under the hood especially at speed. Kinda like pressure washing your firewall, header/s and master cylinders at 50 mph during a nice rain hahaha.

Brian A.

Just an FYI. On the Deutsch Nine Turbo RS Heat Extraction Vents you (the buyer) have to cut open the vents with a Dremel tool or something similar. Kind of a pain in the *** especially considering the cost with shipping.