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My Custom Grill.

This is from before the TRD body kit.

The finished product.

This is a close up of the material I used for my grill. It came off of an old UNIX server cabinet. This shot was taken with the original paint stripped off. The holes measure .160 across and they are .025 inches apart from each other. The material is .055 thick.

My car with the stock upper grill. Summer of 2000.

Test fitting the new grill (unpainted).

The painted grill installed. I also painted the mounting tabs behind the grill.

 For the top grill cut a piece of the material that's 3 by 10 inches Down lower on this page I listed some material information and the location to buy it.
The top grill has a lot of complex curves on it so I started cutting cardboard and trimming it until it fit. I removed the factory upper grill with an offset phillips head screw driver, the kind that's sort of shaped like a Z. You have to remove the front plastic cover on the drivers side and then remove the screw that's on the backside and in the middle of the Toyota logo, don't drop the screw or it'll be way down in your radiator area.. Next use the template and cut your material, I used a Dremel hand tool, and sanded the edges good. For painting spray it with Krylon or RustOleum, gloss black or whatever color you want. When painting put on 3 or 4 thin coats and let it dry between sprayings, if you get too thick on a coat it'll run and be ugly. I attached it with black wire and tied it over the support above the bumper, if you look closely you can see it.

Now it's November 2000 and I've been working on the lower grill. 
This shot is of the basic material and a rough template.

Getting closer. I used some vacuum line that I slit one side with a razor blade for the trim.

A closer shot. It is still not painted yet. The dip on the upper right side is
from a cabling hole on the cabinet. It's hidden when the grills installed.

Final test fitting. You like?

Another shot of the test fitting. I'm hoping when its finished I can push the bottom back some.

It's basically a rectangle with this layout on each side, flipped for the opposite side.

 

 

 

 

I went over to a machine shop I worked at years ago and asked them where to find the materials. They pointed me to where they buy their steel from, its named McMaster-Carr and the web site is at www.mcmaster.com .
 
This is what I found.

I looked on the web for Gauge to inch conversions and got 3 different sets of numbers. I think any of these sizes will work but I'd try to stay with the 16 or 18 Gauge sizes.
 
Gauge Size 1 Size 2 Size 3
16 .051 .0598 .0635
18 .040 .0478 .0516
20 .032 .0359 .0396
22 .025 .0299 .0336

When you get to their site you can search by Part Number or Page Number. The numbers that say 58% open or what ever tells you how much air will pass through the grill. The ones at the bottom of the list, Hexagon-Hole, have the best air flow. They only block 21% of the air coming through. If your in the north it probably wont matter, But if your in south Texas in the middle of summer It could cause you problems. With these sized sheets and you cut carefully you should be able to get 6 sets, upper and lower, out of it. Its always good to have more than need, Mistakes do happen. They also have the same stuff in stainless steel, that would look tough, but its about $75 to $100 per sheet. Also check out page number 3140, it has some neat designs on it.

Steel Material
9255T821            36 inch by 40 inch sheets
.25 holes            58% open     16 Gauge  $31.71 per sheet

9255T781            36 inch by 40 inch sheets
.1875 holes            51% open     18 Gauge  $26.02 per sheet

Aluminum Material
9232T221            36 inch by 40 inch sheets
.25 holes            58% open     20 Gauge  $27.56 per sheet

9232T211            36 inch by 40 inch sheets
.1875 holes            51% open     16 Gauge  $35.92 per sheet

Hexagonal-Hole Material
Steel
92725T22            36 inch by 40 inch sheets
.25 holes            79% open     22 Gauge  $20.33 per sheet

Aluminum
92725T42            36 inch by 40 inch sheets
.25 holes            79% open     20 Gauge  $34.58 per sheet 

TC