jlum

Hi

My 86 has a factory NACA duct in the hood similar to the early 924 turbo hoods. Are the hoods swappable on these 2 models or did it come from the factory this way? The car has original paint dark graphite. The previous owner (number 2) said it was ordered this way from the dealership when he bought it from the original owner. Ive never seen another like this but Ive seen aftermarket kits/hoods and this aint either. Just thought someone could maybe give me some insight. Thanks.

John

FSAEracer03

I'm interested to see pics. My guess is that it's a 931 (924 Turbo) hood that was either order specially to order (Porsche has a delightful history of putting whatever the customer wants on his car.... for a price), or that the 1st owner went to the aprts department and ordered a 931 hood, and put it on his new 944.

harrisonrick

It does sound like a 924 Turbo hood.

BeerBurner

I have no clue whether or not they could have been ordered like that, but a local Rennlister has (had?) a 931 hood on his '87 (I think) 944. I believe it's an almost-direct swap. The only difference is that the 931 hood didn't have any provisions for the hood struts and thus, the 944 required a hood prop rod to keep it open.

That's all I can offer here...

BB.

jgleano

oh. i added mine from a 931...i was lucky enough to find it at a local junk-yard here in San Diego

xsboost90

someone put it on there- yeah ordered from the factory- just like mine came factory w/ a euro valance that coverd up the holes for the real factory valance- sounds like a load of bs- good bs but ....

jlum

That is my hood. Nice to see others out there. Thanks again for the info.

xsboost90

i always wanted one of those hoods, look too cool. I wish that duct was in a more usable spot like over the airbox or something though...

BeerBurner

It's a great way to keep your cruise control cool!

BB.

streckfu's

Just don't ever wrap your headers...

FSAEracer03

I'm actually tempted to graft a NACA duct or two in the back of the hood, reverse mounted, to vent the engine bay of my project car.


Hmmmmm......

inactiveuser92616

^^ that would be a great way to get air into the engine bay. Underneath the windshield is high pressure.

schnellfahrer

Why would you want cold air on your exhaust?
On a turbo car that would mean slower spool-up.

AznDrgn

not an naca duct but does the same thing, only mine has a little spinning wheel under it

FSAEracer03

You actually have that reversed. The area right before the windshield, as well as the lower portion of the glass, has a low-pressure area as the airflow separates and reattaches on the middle area of the windshield. Placing vents on the back end of the hood allows the turbulent air in the engine bay, spent cooling air, to exit through these vents, filling part of the low-pressure area, and not only aiding in cooling, but actually reducing drag over the whole car.