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914World.com _ 914World Garage _ Best Place to Vent Front Mounted Cooler?

Posted by: 1973914 Sep 9 2003, 05:34 PM

Ok.... Where is the best place to vent the air in a fron t mounted cooler? The factory dumped it under the car. Is this the best place? What are the pros and cons?

Posted by: fuch toy Sep 9 2003, 05:37 PM

If you don't mind the f/g bumpers with the oil cutout...or the fuglee 75-76 ones...there is room w/o having to cut the trunk bottom.

Posted by: SirAndy Sep 9 2003, 10:30 PM

we had this topic before. i still think dumping alotta air under the car is a bad idea, it'll add additional lift.
i still like the "ferrari" style vent out up through the front hood.
i have seen several 914 racers using this and i think it makes perfect sense.
additional downforce instead of lift is a good thing.

Andy

Posted by: StratPlayer Sep 9 2003, 10:36 PM

where mine is mounted

Attached image(s)

Posted by: SirAndy Sep 9 2003, 10:55 PM

below is certaily not the prettiest example, but who cares about the looks on a race car?

but you get the idea ...
Andy

Attached image(s)

Posted by: SirAndy Sep 9 2003, 10:57 PM

and here's a pic that shows how it could be covered nicely.
note, this is NOT a 914

IPB Image

Posted by: Brad Roberts Sep 9 2003, 10:58 PM

The easiest cleanest way is by using a GT style cooler ducting. The hood method works well.. but isnt legal for anything but PCA events.

The front end of our cars have a natural downforce built in with the angle of the hood. Venting below the car doesnt create lift.

B

Posted by: cha914 Sep 10 2003, 07:38 AM

I always liked the idea of venting to the wheel wells ala patrick motorsports:

IPB Image

I will probably end up doing something similar.

Tony

Posted by: fuch toy Sep 10 2003, 08:28 AM

Please blank out the "Patrick" labels when you post pics...it makes me ill...

Posted by: 1973914 Sep 10 2003, 09:23 AM

I have mine vented out the bottom ala the factory, and had a mechanic say that it was a poor choice. How about the hot air headed under the car toward the engine compartment? Does this add hot air back there? I find this unlikely....

Posted by: Pnambic Sep 10 2003, 10:00 AM

I think I remember Brad mentioning previously that the air exiting from the hood might heat you up in the driver's seat as it would be going right over you. Is there anyone that can vouch for this from experience? Is it barely noticable or unbearable?

Posted by: maf914 Sep 10 2003, 11:17 AM

I would guess that the effect of the additional hot air from the cooler under the car is negligible. The cooling air for the engine is drawn in from the engine lid, where it is relatively cool, and discharged from the bottom of the engine. This is where the majority of engine cooling occurs. Although the engine sump is finned I would bet its cooling contribution is very small, compared to the forced air cooling of the cylinders and heads, so an increase in under car temp due to the oil cooler air won't make much difference.

Mike