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Expanded Aluminum Grill

fireplug

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There was some interest in Ryoken's thread in my grill. In order to avoid a serious hijack here is some more info.

I got my idea here, http://www.off-road.com/chevy/tech/customgrill/ and used the wooden jig as well. Since I used aluminum I simply used a rubber mallet to shape the metal. I cut the metal simply using wire cutters as it is so much softer than steel. A carefully aimed angle grinder, or Dremel would work well.

Like the article I used angle to mount the grill, but again I used aluminum. Welding thin aluminum is pretty difficult and costs money if you don't do it yourself. So I used two part epoxy and formed solid sections by filling in the spaces in the expanded metal in the appropriate locations. 'Appropriate' meaning in the same areas as the factory screw holes. When the epoxy cured I drilled a hole in each section in order to attach aluminum angle to mount the grill. I attached the two using rivits, bolts would work fine too. Finally, though not really needed I filled in the seam that forms the bottom curves with the epoxy just to solidify the hole thing.

In my wonderfully executed diagram the legend is such;

BLACK = sheet of expanded metal
BLUE = folds
RED = cuts
GREEN = bends
GREY = area filled with epoxy

In the bottom corners I did a series of complicated cuts in order to make as clean a 'seam' as possible. I had assumed that this particular grill would be my trial attempt and I would do a second 'good' grill. As it turned out pretty darned good the first time I just used it. In this first attempt the cuts I made in the bottom corners are represented by the diagonal red lines. If I was to do it again I'd cut along the bold dotted red line.

I had intended to get fancier around the opening for the hood, but truth be told it's good enough. I cleaned up the cut edges with a file and it is just fine. Originally I was going to frame the opening with angle. Seemed pointless in the end.

I did this mostly for looks to be honest, I think it makes the truck look far more aggressive. However it provides a great place to put additional lighting, while protecting that lighting from rocks and theft. And I suppose it increases air flow to the rad but that is minimal at best. Aluminum was my choice because it's so easy to work with, and won't rust. I hate rust.

I'm pretty sure my directions are as clear as mud so feel free to give me a WFT :confused: and I'll try and make it clear.

Grill 002.jpg

Grill 001.jpg

Grill 004.jpg

Grill diagram ck5.jpg
 
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Awesome! Thanks for that Fireplug!

I'll probably still frame mine out with angle, and won't end up bending any expanded metal since it'll be tack-welded to the back of the angle.

When I finally get to it, would you mind if I posted my alternate method in this thread? It'd be a good way of consolidating it all in one place should anyone want to do something similar.

Again, great job!
 
Awesome, thanks for the links. I think I might make an aluminum frame to glass over for my battery box to add strength and this stuff would work perfectly.

Great work on the grille. Honestly I never thought I'd like an expanded grille, but yours is really well done and looks good. That post almost looks like a write-up. Hmmm...
 
Thanks! It's kinda ghetto compared to the construction of the original but the results are at least as good from what I can tell.
 
Valkman has this one. He never seams to be on here so I hope he dont mind me posting his pic. Its a nice looking grill on the newer front.

Balzer
 
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original balzer said:
Valkman has this one. He never seams to be on here so I hope he dont mind me posting his pic. Its a nice looking grill on the newer front.

Balzer

yeah, thats what mine will end up looking like...
 
I dont tjink ist a good idea to have your drving lights behind the grill unless it never sees the road. I would think your light pattern would look all chopped up and it would limited what you see in the dark, exspecially down the road
 
A friend of mine had a "phantom grill". All billet alum thing that covered the lights, it didnt seam to diminish the light pattern much if at all. I dont see expanded metal blocking the light much either. Not near as bad as alot of jeep front bumpers I have seen with winches, jack mounts, ext. that block the headlights.

Balzer
 

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