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Old 09-19-2012, 10:39 PM   #1
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Reducing amount of bugs on radiator coming through grill

Hi all,

I am currently restoring my recently bought Jeep and getting my TJ up to my liking. After getting most of it dismantled I looked at the front of the radiator and I saw all the bugs that were stuck to the radiator I was wondering if anyone has installed some kind of smaller grill behind the front grill to minimize the bugs. I couldn't find anything on the forums so I thought I would ask.

Thanks

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Old 09-19-2012, 10:41 PM   #2
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i know ive seen people put a small chain link metal on the grill...not sure how small it is but ive seen a few. cant seem to find em atm.

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Old 09-19-2012, 11:40 PM   #3
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Old 09-20-2012, 09:04 AM   #4
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$5 for a piece of aluminum mesh from local metal store. A little spray paint and 5 minutes of your time. Got mine to keep sticks and thrown up rocks out, but does cut down on the bugs.
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Old 09-20-2012, 09:15 AM   #5
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There are a variety of grill inserts (bars, mesh etc.). Any of this will cut down on depris getting in. I have billet bars in mine.
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Old 09-20-2012, 12:23 PM   #6
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Quote:
Originally Posted by MrJudgeOC
$5 for a piece of aluminum mesh from local metal store. A little spray paint and 5 minutes of your time. Got mine to keep sticks and thrown up rocks out, but does cut down on the bugs.
I have near zero aptitude when it comes to vehicles. How do you insert a single piece of mesh behind the grille? Do you have to remove something? And how did you secure it in place? Been looking for an inexpensive way to add mesh behind the grille, so this sounds like the perfect solution.
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Old 09-20-2012, 12:37 PM   #7
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It is not easy to get behind the TJ opening. A correct grill insert kit will be individual pieces you insert from the front.
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Old 09-20-2012, 01:16 PM   #8
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I want some kind of protection as well for my radiator. I worry about air flow.

Anytime you put something in front of the radiator it hinders airflow to some degree. What I am looking for is something that guaranties me it will not cause issues on hot days.

The Rampage product mentioned above looks good for airflow, but too expensive. Perforated sheets of aluminum looks like they will hinder airflow. Maybe chicken wire?

Here's a link that looks promising: Perforated Metal, Wire Mesh, Grating, Expanded Metal and Fiberglass Products.
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Old 09-20-2012, 01:39 PM   #9
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There is plenty of air flow even with heavier inserts.
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Old 09-20-2012, 01:46 PM   #10
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I'm not convinced. If you look here Sheet or coil products slit then expanded to create diamond shaped patterns of specified dimensions. you will see numbers like 61% open. That sounds similar to blocking 39% of your grill openings. You wouldn't do that, right?

Or maybe I'm missing something?
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Old 09-20-2012, 01:59 PM   #11
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These are what mine are like http://www.ebay.com/itm/T-Rex-7pc-Ve...7d2e2e&vxp=mtr (sure as hell did not pay 200). I'd say that close to closing off 50% Had them for 5 years. No problems.
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Old 09-21-2012, 09:23 AM   #12
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I too was worried about air flow and overheating. But during triple digits my temp never deviated...just under 210 on my gauge.

The aluminum mesh I bought looks exactly like that $200 thing, only cost $5. I trimmed it to fit and it slipped in between the metal grille and the radiator. There's even a lip at the bottom that holds it in place. I was going to perm mount the top, but like I said, was worried about air flow. So, I just zip tied the top to try it out. Never went back to figure out the top, so is still zip tied. Can't even really see it though. Perhaps a winter project...
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Old 09-21-2012, 10:27 AM   #13
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Quote:
Originally Posted by MrJudgeOC View Post
I too was worried about air flow and overheating. But during triple digits my temp never deviated...just under 210 on my gauge.

The aluminum mesh I bought looks exactly like that $200 thing, only cost $5. I trimmed it to fit and it slipped in between the metal grille and the radiator. There's even a lip at the bottom that holds it in place. I was going to perm mount the top, but like I said, was worried about air flow. So, I just zip tied the top to try it out. Never went back to figure out the top, so is still zip tied. Can't even really see it though. Perhaps a winter project...
Where did you get it and what was it called?
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Old 09-21-2012, 11:02 AM   #14
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Why not just use window screen? It's easy to work with, it's light and it's cheap.
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Old 09-21-2012, 04:40 PM   #15
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Great ideas

Thanks all I figured the stamped metal aluminum but never thought about billets. You are all right no way paying $200 for something like this.
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Old 09-21-2012, 05:08 PM   #16
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MrJudgeOC, do you happen to have a picture of your finished product you could show us?
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Old 09-21-2012, 10:37 PM   #17
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I used a piece of aluminium window screen cut to fit. I bent both sides at a 90 degree & used 3m double sided velcro to attach it to the black plastic strips behind the grill slats on both sides. I used black rtv silicone to attach the sticky side of the velcro to the screen & then rolled it up slipped it through the slat in the grill & unrolled & stuck the velcro to itself. I've never removed it just use my shop vac to suck out debris in the bottom of the grill. Its never gotten hot due to air flow problems either.
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Old 09-22-2012, 12:08 AM   #18
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I also use a small mesh of window screen and have never had an overheating problem and I no longer have bugs stuck in the fins. I understand that it will cut down air flow, but nothing like having a radiator plugged with bugs especially if your Jeep is your daily driver.

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