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05-24-2012, 06:28 PM | #1 |
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Join Date: May 2012
Location: New Jersey
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1929 sport coupe wind wings
Purchased a set of closed car wind wings from MAC's for my 1929 Sport Coupe. The brackets are affixed to the car by screws (3 on top of door, 3 just above belt rail. Before things get ugly, does anyone know what sized drill bit I should use for the mounting screws? The last thing I want to do is drill over sized holes leaving me with a mess to repair.
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05-24-2012, 07:28 PM | #2 |
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Location: Camino, CA.
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Re: 1929 sport coupe wind wings
If you're using sheet metal screws Drill a hole in a scrap piece of sheet metal and try to install the screw. It should start out hard, then get easier as it goes in. Use a center punch to locate the hole so the drill won't walk away messing up your paint.
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05-24-2012, 08:45 PM | #3 |
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Re: 1929 sport coupe wind wings
glenn -thanks for the response. Great suggestion, will give it a try in the morning.
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05-25-2012, 01:39 AM | #4 |
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Re: 1929 sport coupe wind wings
I usually get a drill bit just a little smaller than the screw shaft less thread diameter. Then use a hex head screw with the same thread size and grease it to form the thread. Then the slotted screws should go in nicely without danger of the screwdriver slipping off to the side.
Personally I wouldn't have the heart to drill holes in my car! |
05-25-2012, 07:35 PM | #5 |
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Re: 1929 sport coupe wind wings
Tom - thanks for the tip. I was planning on performing the surgery this morning but got sidetracked with other projects. Just got home from a cruise night so tomorrow will be drill day. I wrestled with the idea of drilling into original Henry Ford doors, as usual, my dumb side prevailed.
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05-26-2012, 04:38 AM | #6 | |
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Re: 1929 sport coupe wind wings
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05-26-2012, 05:07 AM | #7 |
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Location: South Coast NSW Australia
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Re: 1929 sport coupe wind wings
I use rocol which is a thread cutting paste to ease the screws in without chopping extra metal away.
Particularly with stainless screws which can gall and ruin the whole job. |
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