81gsl12a

iTrader: (1)

if you use the plasma cutter on the hood it will warp to much heat... and your hand is not still enough to cute a dead nutz str8 line... then welding is going to warp the hood... louvers are done on a louver press. That way they all look the same every time.

if you are dead set on making something vents are the way to go... there are a few cars on this site that have them and they look really good... here is a pic of 1 of my fav cars

BlackWorksInc

Ahh.. that's what I am talking about, I want to make some angled vents like that red FB has for the air to pass though.

Well I could put my hood on our automated plasma cutter, that would solve teh perfect cut part.

Or I guess I could use a saw or angle grinder...

But I still need to fabricate the slats that make up the vent and mount that to the hood.. which I am trying to get a decent diagram of so I can figure out how to do it... I need to look at my hood more XD The curves and shapes seem off...

81gsl12a

iTrader: (1)

when cutting the hood you should use a cut off wheel or air saw... use the right tool for the job not the new tool that would be fast i love a plasma cutter but there is a time and place for it and cutting the hood is not one of them

BlackWorksInc

What's an air Cutter? Maybe I can ask next class if we have one.. that sounds like a much better option...

I figured plasma because of the clean cut O.o

81gsl12a

iTrader: (1)

the cut is only as clean as the hand doing the cutting most the time it looks like lil pointsor ther ewill be a dip here and there... a cut off wheel makes a very nice cut

this is an air saw (also dose nice cuts)

BlackWorksInc

Huh I think we have that... I'll have to check...

But see the thing is ^.^ one of our plasma cutters doesn't need a hand, just a computer drawing, which is what I was thinking of using...

But maybe a dremel tool and that air saw coudl work just as good..

Directfreak

iTrader: (2)

I think you missed this previously.

It tells you exactly how to do what you are attempting.

http://www.burnsvilleoffroad.com/articles/01_09.aspx

Morey987

When I bought mine she already had these. I think they look pretty decent.

BlackWorksInc

((I saw that article... It didn't help me with acctually fabricating the louvers or vents XD just installing them.))

Okay guys, here's the diagram I was thinking of. This is the idea I have for the vent insert, and I just remembered that there's his interesting spot welding method that I saw a guy do while he was repairing a body panel for his truck last week.

So I think this is what I am going to stick with... I am gonna have to go to Pick Your Part and scrounge up another hood to use, because I am gonna strip it all the way down, and it will be easier to throw the hood in the van and take it to the shop, than have to weld and work with it attached to the car. Or constantly refit it when I have to leave XD.

I am going to make a small posterboard model to test the dimensions and how it looks in real life. That is if I find my poster board... But yeah, I will keep you guys posted on it... BTW should I just make a new thread when I am acctually fabricating it? or just post my results here?



By the way that weird looking thing in the bottom right corner is a rejected idea for making a vent... It was more like a recessed intake vent than what I wanted....

BlackWorksInc

Here's some really badly done mock-ups of the inserts I want to make. I realized after I started cutting that I had no hot glue gun, so I kinda winged it. XD LMAO

Anyways... yeah this is mostly just to see how it would work in real life, though the tabs on the outside of the frame are exageratted.

BlackWorksInc

Here's a couple of pics of the second vent idea... I didn't really like it that much because it was kinda of hard to imagine the FB with two, basically sloping intake vents...

Morey987

check for a vent off an old school z.. they have very similar vents as to what you are looking for,,, You might be able to just take one from them

kmonto85

Why not just buy these and cut out a hole below them...

http://www.spiderautomotive.com/hosctuve.html



or

http://www.spiderautomotive.com/hovebyve.html

Directfreak

iTrader: (2)

Those aren't functional.

OFF TOPIC:

Check out these headlights from the site you posted:



http://www.spiderautomotive.com/skullheadlight.html

Pretty freakin cool!

kmonto85

You need to re-read my post... They are similiar to the link you posted about the cherokee... Slight modification and there you have it... Oh and I love those lights... Hmmmm...

Jeezus

iTrader: (4)

The old 300Z turbo I believe from 85 to 87 (need to check the years) came with a scoop that is detachable from the hood. I plan on using that when I get good and ready.

HadaGSL-SE

iTrader: (6)

Here are the vents I cut in my extra hood.

I havent had the hood painted although the car now is.

I think they came out pretty well considering it was my first real attempt. I put a one on my wrecked hood and could see heat exiting so I suppose it is functional.

BTW... If anyone is interested in the hood I will sell it as is.

-Greg

fb44

I also recall the older 300zx cars having scoops.

That second vent idea you had looks like a NACA duct. You could always bolt it on the hood than use body filler to cover up the edges- making them smooth.

Some come with studs I believe making installation easy. Below is a CF one. The bottom side is just a reverse scoop/cup that collects the air. You can then connect a hose to it for cooling or intakes.

Morey987

These are some pics of 280z hood scoops,,,,, the skinnier ones are more of what you are after I think, but both functional. And super cheap on ebay. The smaller are from a 1977

elwood

iTrader: (1)

If you want the vents to be functional, placement is important. If you go too far back towards the windshield, you get into a high pressure zone, which will blow air into the engine bay instead of extracting it. This is how cowl induction works -- you know, those bulges on Camaros, with rearward facing openings. Here's a real basic chart. Air will tend to flow in the direction of the arrows.

BlackWorksInc

Hey thanks for the replies! I really appreciate it.

BTW those lights look just like the ones I installed, except without the skull reflectors, just plain diamond lookin ones on mine.

I like these vents and scoops (Hada I keep looking at yours XD, maybe I will take up that offer if this dun end well XD), I am definately look into the Z vents.

But I am kinda of stuck with my idea now, and after chatting it up with a buddy of mine in the metal shop (he is a professional working for a high end company and building a car in his spare time with his dad XD); Jeff said that he wouldn't mind helping me out with TIG welding them in, which would look hella nice, and I didn't wanna do cuz I suck at TIG.

XD So I am gonna look at those other scoops just incase this turns out bad, but I will keep you guys updated on the fabrication.

warwickben

iTrader: (1)

i say do it and if you like it run with it, some people hate what some love. i like both your ideas but i know id get **** for it from some of my friends ect. its your car its your money. all cars cost more and more money over time this breaks ect ect, so if your going to be putting money in to a car it should be what you want and look the way you want it. that goes for ricer's too i hate them but hey its there car they love that stuff.

flight_of_pain

i have used the cut and bend tactic before with success. just take your time on the cuts.


isaac

BlackWorksInc

We'll see how it turns out ^.^ if I dun like it, worst case scenario I wast 20-30 bucks at pick your part and a class or two of welding work. Then I could prolly turn around and sell it for 30-40 and get rid of it. LOL so it will be a fun experiment!

IkediH510

I've been thinking about doing the same type of thing to my hood, with the possibility of a scoop or vent in the middle. You wouldn't happend to be taking welding at chabot?

I just was at pick your part on winton last week. There's a fb in lane three, but ya gotta watch out if your taking the hood because its a second story car, and there's a couple wasps nests in the front end.