Front spoiler aero question

I like the look but from underneath is there a functional reason it is so large/deep?
Just curious. I have an L88 hood on my custom and I am thinking of cutting it out, now. It makes a lot of sense. There was a string about front end lift at higher speeds. Not sure if the cut out would help that much but it would release air after the radiator and help keep the engine cooler.
Do our cars need all the air coming in the grille and scooped up from the spoiler just for engine cooling? Has anyone incorporated brake cooling ducts up front? Is it prudent to divert some of the air directly to the radiator rather than the way it is done with a wall that is even with the radiator?
Seems to work fine on the C4-C6 cars
-Thanks,
-Charlie

Hard to see in the pic but I used the FGreg spoiler (modified). It has ports for brake cooling that is not yet connected but plan is to do so. I thought about cutting out the same as OP did on the hood, but would have required opening to outboard sides of the trough because I use the ram air scoop on top of the L88 hood bubble. To let off some pressure under the hood, I installed external louves in way of side gills allowing increased exit flow with larger area.

DSC08610.jpg

Screens will be installed in shark gills for cosmetics.

DSC08546.jpg

the FGreg spoiler ? Please provide details, I am new to the C3 , thanks.
 
Nice -- but not for all C3s. about 200 bucks for 68-72. A bit of mod and could do.
http://www.fgreggracing.com/products.html

Welcome to the best C3 forum around!

Cheers - Jim

Yep, that's what I started with. I have flares on all four fenders, so I modded the flares and the spoiler together. Also added stiffening to it at the lower level since they have too much flex to suit me. Will also accomodate a rubber skirt across the front if desired to minimize air flow below it. As it sits on my car its about 3 1/2 off the ground. (Stay away from curb blocks and approach inclines at an angle.)
 

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