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post #1 of 6 Old 10-20-2004, 06:05 PM Thread Starter
mYJ
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drilling lexan?

I installed a lexan scoop on the cowl vent a couple of weeks ago. It came with only double (not so) stick tape. Sooner or later it will come flying off so I want to mount it with screws. Anything special I need to know before I take the drill to it?


-Jeffrey-

92 YJ 2.5, OME, Flat Fendered, 31" Big O XTs, Crager Soft 8s, Posi-Lok, no sway/track bars, Exide Orbital, K&N, 4.0 TB & TBS, Mopar Performance Cam, Glass pack & Hi-Flow cat, Grant GT Removable Wheel, Tuffy Console, Other Stuff.
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post #2 of 6 Old 10-20-2004, 07:10 PM
Jerry Bransford
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Lexan drills like plexiglass, it's not tricky to drill. It probably wouldn't be a bad idea to drill a small pilot hole first. But for that kind of add-on, I think I'd rather keep an eye on the double-sided tape and replace it on a semi-regular basis rather than drill into the cowl so sheet metal screws could be screwed into it. You can drill holes in a lot of areas on a Jeep for functional offroad items but the cowl would not be an area that I would drill into for a lexan HVAC scoop. You may find later that things like lexan hood scoops won't appeal to you as much as it does now.

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post #3 of 6 Old 10-20-2004, 07:57 PM Thread Starter
mYJ
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Thanks on the drilling tip and good point on the drilling through the cowl Thing is you never notice that slight rounding of the body until trying to tape something thats flat down onto it. I think I'll run some clips out from under the cowl vent screws and attach there.

-Jeffrey-

92 YJ 2.5, OME, Flat Fendered, 31" Big O XTs, Crager Soft 8s, Posi-Lok, no sway/track bars, Exide Orbital, K&N, 4.0 TB & TBS, Mopar Performance Cam, Glass pack & Hi-Flow cat, Grant GT Removable Wheel, Tuffy Console, Other Stuff.
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post #4 of 6 Old 10-20-2004, 10:26 PM
Jerry Bransford
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Try using a heat gun on the vent to form it so it better matches the curve on the cowl. Just make sure not to use the heat gun's highest heat setting, it'll probably start melting it.

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post #5 of 6 Old 10-23-2004, 09:55 AM
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Use water to keep the bit and material cool, and make sure the piece is secured very good so it does not try to spin when the bit breaks through the material.
Patience is the key or you will crack the piece from the hole to the edge of the scoop.
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post #6 of 6 Old 10-23-2004, 08:19 PM
Hoxviii
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Before you drill it put a piece of masking tape on both sides, it's less likely to crack like that. Also, is it going to be clear or painted? If it's gonna be clear, heat the screws before you install them. it'll melt the lexan as it goes in and will get rid of that "white" look of teh screw hole.

Justin

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