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> GT cooler install, Setrab unit from PMS
stownsen914
post Oct 19 2015, 01:41 PM
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QUOTE(SirAndy @ Oct 19 2015, 02:53 PM) *

That would be true in a static environment.

However, if you increase air speed after the cooler you can expel that same air just as efficiently with a smaller size outlet.
Which is exactly what the louvers do ...
(IMG:style_emoticons/default/shades.gif)


It is true that louvers create a pressure differential where one would not otherwise exist, e.g. at the top of a prototype fender. My statement earlier about exit sizing assumes good air flow into a low pressure area. I'm curious to know how louvers totalling what look like maybe 1 sq. inch each can match flow of a large (100-200 sq. inch) opening into a low pressure area with a lip at the leading edge ...

Granted we are talking about a supplemental oil cooler here (and possibly a street application), so ideal exit flow may not be needed. In such a case louvers may be good enough.
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SirAndy
post Oct 19 2015, 01:49 PM
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QUOTE(stownsen914 @ Oct 19 2015, 12:41 PM) *
Granted we are talking about a supplemental oil cooler here (and possibly a street application), so ideal exit flow may not be needed. In such a case louvers may be good enough.

My 3.6L has no engine cooler, all i have is the front mounted cooler and the air exits through a shroud and out the *top* trough several "louvers" in the hood.
The total surface area for the louvered openings is about the same as the area of the inlet.

While moving, the cooler is actually too efficient and unless i'm running a full race session on the track my car has trouble getting up to operating temps.
That's on a 80+ California day ...

The only time i see the temps approaching 220 is after a long drive on a hot day (90+) when i get stuck in traffic and have no air flow over the cooler (no fans).

In normal operating mode, my oil temps hover right around 180 ...
(IMG:style_emoticons/default/shades.gif)
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rtalich
post Oct 20 2015, 07:31 AM
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I find it really hard to believe that nobody else on this website has this particular cooler installed!!
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naro914
post Oct 20 2015, 07:41 AM
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QUOTE(rtalich @ Oct 20 2015, 09:31 AM) *

I find it really hard to believe that nobody else on this website has this particular cooler installed!!

I do...the exact one on Papa Smurf...but it's vented up through the hood.
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rtalich
post Oct 20 2015, 09:51 AM
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Thanks! I will post pics of my install when I do it.
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stownsen914
post Oct 20 2015, 10:08 AM
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QUOTE(naro914 @ Oct 20 2015, 09:41 AM) *

I do...the exact one on Papa Smurf...but it's vented up through the hood.



Nice install. Note that the way yours is done with the dual verical lips, it basically has really big louvers venting out the hood!
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horizontally-opposed
post Oct 20 2015, 10:09 AM
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Slickest setup I've seen on a street car was done on a GT silver 3.6-liter six conversion (East Coast?) with 996 C4 17-inch wheels. It had a custom resin-looking fiberglass shroud in the front trunk that directed the cooler's exhaust air to the front fender wells. Looked very "factory" in a 908 sort of way, and avoided any lift problems created by directing the air downward. It also made room for a space-saver spare. Car was for sale a while back, iirc.

Best setup I've seen on a 911 put two small coolers in the corners and vented them to the sides of the bumper. Done by one of Penske's main engineers/crew chiefs. Was too effective, apparently, as the engine stayed too cold—like Andy's. A nice problem to have if you are going to have one.

pete
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JmuRiz
post Oct 20 2015, 10:21 AM
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QUOTE(horizontally-opposed @ Oct 20 2015, 08:09 AM) *

Slickest setup I've seen on a street car was done on a GT silver 3.6-liter six conversion (East Coast?) with 996 C4 17-inch wheels. It had a custom resin-looking fiberglass shroud in the front trunk that directed the cooler's exhaust air to the front fender wells. Looked very "factory" in a 908 sort of way, and avoided any lift problems created by directing the air downward. It also made room for a space-saver spare. Car was for sale a while back, iirc.

Best setup I've seen on a 911 put two small coolers in the corners and vented them to the sides of the bumper. Done by one of Penske's main engineers/crew chiefs. Was too effective, apparently, as the engine stayed too cold—like Andy's. A nice problem to have if you are going to have one.

pete

This one:
(IMG:http://www.914world.com/bbs2/uploads/post-487-1152937483.jpg)
(IMG:http://www.914world.com/bbs2/uploads/post-487-1152937415.jpg)
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scotty b
post Oct 20 2015, 10:40 AM
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QUOTE(mepstein @ Oct 19 2015, 11:27 AM) *

QUOTE(Cairo94507 @ Oct 19 2015, 03:10 PM) *

Now you guys have me worried. I have the exact same set-up as Mark with louvers in the trunk floor, like PMS has on their car above. I am going to go out a limb here and say if PMS selected this method to expel hot air from their car, it will be good enough for my street driver. However, you got me thinking for a minute there....

Michael - you have nothing to worry about. Remember, the front cooler is a supplement to your on engine cooler. Your covered.

I removed my on engine cooler so I'm relying solely on the front cooler. If it gets to warm I will add back the engine cooler.

(IMG:style_emoticons/default/agree.gif) your engine is a fairly mild 3.2 that isn't seeing track beatings. The front cooler is supplemental. Stock 911's ran the trombone setup with a similar sized cooler in the fender well that got a lot less air flow than your, and Marks cars will be getting. NO need to worry (IMG:style_emoticons/default/smile.gif)
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echocanyons
post Oct 20 2015, 10:45 AM
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I asked Mark to engineer and install this one for my car based on Eastcoasters design.
(IMG:http://www.914world.com/bbs2/uploads_offsite/www.originalcustoms.com-7-1445359500.1.jpg)
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mepstein
post Oct 20 2015, 12:04 PM
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QUOTE(echocanyons @ Oct 20 2015, 12:45 PM) *

I asked Mark to engineer and install this one for my car based on Eastcoasters design.
(IMG:http://www.914world.com/bbs2/uploads_offsite/www.originalcustoms.com-7-1445359500.1.jpg)

Winner winner chicken dinner. I like that!
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JmuRiz
post Oct 20 2015, 01:20 PM
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Wow, that is VERY cool...spare tire, oil cooling and the stock cover still fits!!!

Sell a kit and I think there would be buyers
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naro914
post Oct 21 2015, 10:22 AM
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QUOTE(echocanyons @ Oct 20 2015, 12:45 PM) *

I asked Mark to engineer and install this one for my car based on Eastcoasters design.
(IMG:http://www.914world.com/bbs2/uploads_offsite/www.originalcustoms.com-7-1445359500.1.jpg)

that is awesome! AND you can get a little cooling to the brakes if it was a track application...

I realized I have no pictures of Huey's front trunk area with the flat cooler, but I found a couple when it was in Papa Smurf from the bottom...not great pictures since I was taking pictures of the suspension control arms, but you get the idea...this was before I scraped off all the undercoating...
Wow...look how empty the front trunk was back then!!

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naro914
post Oct 21 2015, 10:26 AM
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Here's the inlet/outlet side of the cooler now in Papa Smurf:

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maf914
post Oct 23 2015, 06:32 AM
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QUOTE(echocanyons @ Oct 20 2015, 08:45 AM) *

I asked Mark to engineer and install this one for my car based on Eastcoasters design.
(IMG:http://www.914world.com/bbs2/uploads_offsite/www.originalcustoms.com-7-1445359500.1.jpg)


I agree, very nice installation by Mark. Is the ductwork fiberglass?

I always thought East Coaster's installation was first rate. Good work everyone.
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0396
post Oct 23 2015, 08:51 AM
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QUOTE(naro914 @ Oct 21 2015, 09:22 AM) *

QUOTE(echocanyons @ Oct 20 2015, 12:45 PM) *

I asked Mark to engineer and install this one for my car based on Eastcoasters design.


that is awesome! AND you can get a little cooling to the brakes if it was a track application...

I realized I have no pictures of Huey's front trunk area with the flat cooler, but I found a couple when it was in Papa Smurf from the bottom...not great pictures since I was taking pictures of the suspension control arms, but you get the idea...this was before I scraped off all the undercoating...
Wow...look how empty the front trunk was back then!!



Very cool pictures of the cooler and what looks like ERP suspension components. (IMG:style_emoticons/default/cheer.gif)
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rtalich
post Oct 23 2015, 07:21 PM
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I'd like to install these rubber isolators in this exact spot and as you can see the bottom is not flat. Any ideas of what I can do here? The top brackets are easy... I'll simple use an L bracket.

Thanks,
Rob

PS - Just using the L piece shown as support so I can a good picture... (IMG:style_emoticons/default/beerchug.gif)


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Cairo94507
post Oct 23 2015, 08:10 PM
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Contour the rubber grommet?
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SirAndy
post Oct 23 2015, 08:49 PM
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Add a metal spacer of sorts to the chassis that allows the rubber to be mounted exactly where you're holding it?
Or would that move everything up too high?


Just FYI, when i installed my front cooler, i added a U-channel to the bottom (and top) so that the cooler "floats" in it.
The U-channel is padded to absorb vibrations.

No rubber mounts were harmed during the install ...
(IMG:style_emoticons/default/smile.gif)
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ConeDodger
post Oct 24 2015, 10:15 AM
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QUOTE(rtalich @ Oct 20 2015, 09:31 AM) *

I find it really hard to believe that nobody else on this website has this particular cooler installed!!


I think mine is the same one...


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