As some of you know the CS6 hood from shelby is a non functional hood. it comes with a fake heat extractor rubber grille thingy that is very ricer. I planned on sending the funky and expensive ricer grille back to shelby and getting my $70 (yes $70) back but for some reason i kept it around. after i supercharged my car I realised that there may be a use for it, and set about dreaming up a way to make the CS6 hood extract some actual heat.

I started out by examining the design of the hood and analyzing air/water flow characteristics. Realizing that there may be a way to make this thing pull heat out, while avoiding water build up in the hood, and also allowing for proper drainage. I decided to cut two rectangular holes in the front cowl of the hood and de-rice the grill thingy by drilling out the hundreds of fake holes. I then mounted the grille to the hood and cut a big fat hole in the bottom to allow the heat to build inside the hood and be vaccumed out of the front cowl.

I found some really killer weatherstripping that was d shaped and would clip to the flat surface left on the edges of the hole. This gave it a factory look, while also creating a dam for any water that may flow backward during hard acceleration.

Last thing was to find the low points of the front of the hood and drill some holes for drainage.

I used a dremel with a diamond wheel (best wheel I have ever seen or used for a dremel) which not only cut through the fiberglass like butter, but would not allow the blade to reach the upper part of the hood and destroy my year.

Still thinking about cutting a slot in the underside rear of the hood to allow cold air to enter as well.

I used some 3m sticky pad paper cut down to about 1" x 2.5" and frayed at the ends to measure which way air was flowing at the front and rear cowls and it is definately flowing out from the front cowl and into the rear while driving 30-100 mph.

no bubbling, lifting, leaking of water on the motor at all. and now i have the added benefit of not having a swimming pool for a hood after a car wash or a rain.

 

I need more pictures I intend to have a body shop do this in the next couple of weeks and I have to say as of yet you have the first functional attempt that looks like it came that way. Whered you get the weather stripping from? How long did the whole process take you?

 

The whole thing took me about an hour. i got the weatherstripping from a VW shop here in town. It was $16 for about 6 feet of it. Too bad they don't just sell that terlingua hood eh?

I will take some more pics, what would you like to see in particular?

 

close ups underneath I want to see what it looks like inside and more specifically where you cut out if you don't mind. And it only took you an hour to cut out that huge freaking hole??? Sadly with the amount of prep this hood took I don't have the guts to try this on my own definately want a body shop to do it for me....

 

It took me 5 minutes to cut the huge freaking hole it took me about 10 minutes to cut the heat extractors, and i used a metal putty knife placed against masking tape on the top surface of the hood to block the blade from possibly damaging the hood if it slipped or bound up. the bulk of the time was drilling all those damned holes in the ricer grille . I used a dremel extension to drill the mounting holes for the grille. and the rest of the time was measuring, masking, and remeasuring. the curve at the top of the hole was done freehand. the key is that diamond blade on the dremel. I will get you some pics with a measuring tape up next to the holes. basically you just want to leave about a half inch of flat space around the edge of the hole for the weatherstripping. Really i would not worry much about doing this yourself. as long as you take some precautions you can pretty much make it simple, and error proof. that diamond blade cuts through the fiberglass like butter!

 

that looks really cool! I'd like to see a better shot of the rectangular holes

 

I didnt cut the holes perfectly because they all either were hidden behind a grille or weatherstripping. the ones i just cut in the rear of the hood all are out of sight as well. none really require high precision so this mod is relatively easy as long as you take your time and always steady your handsusing the support of other fingers. you want to hold the dremel with your thumb, middle and ring fingers, and use the other fingers to hold it straight and steady (keeping them out of harms way of course)

here are a bunch of pics: