getting rid of mounting holes from spoiler.
04-17-05, 01:54 PM
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getting rid of mounting holes from spoiler.
Ok, so i finally took the mazdatrix super2 spoiler off my car. i have 2 holes on the passenger side, and 3 on the driver side, on the flat part of the body near the hatch. Can I jsut slap soem bondo on it and sand it? My dad is telling me i have to weld a peice of metal under the holes.... any advice?
04-18-05, 06:55 PM
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Heh, I'm in California, we don't have tractor supply stores.
I've searched everywhere; Napa, Kragen, Pep Boys, other small auto supply stores, Home Depot, OSH, and auto shops. I can't seem to find what seems to me to be something that should be commonplace: a circular plug made of rubber so that I may plug the holes left over from the rear spoiler and other assorted holes uncovered when I removed the tar from the interior. It drives me crazy.
I've searched everywhere; Napa, Kragen, Pep Boys, other small auto supply stores, Home Depot, OSH, and auto shops. I can't seem to find what seems to me to be something that should be commonplace: a circular plug made of rubber so that I may plug the holes left over from the rear spoiler and other assorted holes uncovered when I removed the tar from the interior. It drives me crazy.
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04-22-05, 12:22 AM
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All I know about brazing is that it has something to do with brass.
I know how to weld but am unfamiliar with brazing.
I know how to weld but am unfamiliar with brazing.
Last edited by travisorus rex; 04-22-05 at 12:24 AM.
04-23-05, 12:38 AM
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Originally Posted by travisorus rex
All I know about brazing is that it has something to do with brass.
I know how to weld but am unfamiliar with brazing.
I know how to weld but am unfamiliar with brazing.
brazing can be done with numerous materials,brass is one of them, another would be silver solder or silver load witch melts at about 800 deg. unlike welding witch usualy uses carbon stell wire witch melts at about 1300 deg. you could use silicone bronze witch melts at about 1100 deg. but most people dont use that(in a mig welder) i am just saying brazing would warp the metal less than welding.
Last edited by bradt; 04-23-05 at 12:41 AM.
04-23-05, 07:02 PM
#13
There are aluminum expanded metal patches that they make for holes like that. You bond them to the back side of the hole with a fiberglass or kevlar reinforced filler, not just plain Bondo. The surface will need to be sanded bare, underneath, with 80 grit paper, then place the patch and spread the filler over it. Make sure it squeezes out through the patch, through the hole.
The stuff I use is 18 bucks a tube, and as soon as it starts to set, you start trimming it. It is sandable in 5-10 mins. If you let it set overnight, you will be using 24 grit paper to cut it.
Once the patches are set, an hour or so, sand around the holes on the outside to bare metal. Then use a fiber reinforced filler for smoothing. A glaze coat filler for the final smoothing, prime, seal and paint.
I would avoid welding. The heat needed to fill the hole will distort the fenders, then you will have a lot more work to do than you started with.
Check with your local autobdy supplier. They can point you in the right direction.
The stuff I use is 18 bucks a tube, and as soon as it starts to set, you start trimming it. It is sandable in 5-10 mins. If you let it set overnight, you will be using 24 grit paper to cut it.
Once the patches are set, an hour or so, sand around the holes on the outside to bare metal. Then use a fiber reinforced filler for smoothing. A glaze coat filler for the final smoothing, prime, seal and paint.
I would avoid welding. The heat needed to fill the hole will distort the fenders, then you will have a lot more work to do than you started with.
Check with your local autobdy supplier. They can point you in the right direction.
04-23-05, 07:36 PM
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I too recently removed my spoiler and have not only 4 mounting holes, but damage to the paint on the hatch everywhere my RB spoiler touched it. I don't think wet sanding will do anything, either it needs to be repainted for sure. It looks really shitty, but I couldn't stand having that RB wing on there anymore.
I also tried looking for those plugs people talk about at local hardware stores and came up with nothing. Hopefully I can get the car in a body shop this summer and get this taken care of.
I also tried looking for those plugs people talk about at local hardware stores and came up with nothing. Hopefully I can get the car in a body shop this summer and get this taken care of.
04-23-05, 08:49 PM
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Originally Posted by bradt
an a acetleyne torch
brazing can be done with numerous materials,brass is one of them, another would be silver solder or silver load witch melts at about 800 deg. unlike welding witch usualy uses carbon stell wire witch melts at about 1300 deg. you could use silicone bronze witch melts at about 1100 deg. but most people dont use that(in a mig welder) i am just saying brazing would warp the metal less than welding.
brazing can be done with numerous materials,brass is one of them, another would be silver solder or silver load witch melts at about 800 deg. unlike welding witch usualy uses carbon stell wire witch melts at about 1300 deg. you could use silicone bronze witch melts at about 1100 deg. but most people dont use that(in a mig welder) i am just saying brazing would warp the metal less than welding.
