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Front bumper repair question

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Old Apr 18, 2014 | 07:26 AM
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Default Front bumper repair question

I've been threaten to paint my '77 since I bought it 14 years ago (something my, now, 22 year old son reminds me of often) - have the space, time, know-how, so looks like the time is now.

Front (factory) bumper was like this when I bought the car.

Looking for how best to fix ideas.

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Old Apr 18, 2014 | 07:51 AM
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get a bra ..... and tell your son its fixed,,, is that shrinkage of the plastic or was it hit,,
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Old Apr 18, 2014 | 08:04 AM
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May be able to build it up with some bumper repair material but that's not really the correct way, you'd be farther ahead replacing that bumper IMO. As whether to go urethane or fiberglass will be you choice.
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Old Apr 18, 2014 | 08:24 AM
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I would replace the bumper since it is most likely dry and brittle anyway. I also see whats looks like cracking along the top of the bumper. Most of the time you can sand that all the way down to the substrate and still see the cracks. So replacement is best. Fiberglass or urethane, Your choice. That fender and that seam is also in need of correction.
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Old Apr 18, 2014 | 08:58 AM
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Originally Posted by persuader
I would replace the bumper since it is most likely dry and brittle anyway. I also see whats looks like cracking along the top of the bumper. Most of the time you can sand that all the way down to the substrate and still see the cracks. So replacement is best. Fiberglass or urethane, Your choice. That fender and that seam is also in need of correction.
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Old Apr 18, 2014 | 11:48 AM
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can you tell by the picture what the seam needs?
I think they look like that (discoloration) front/back both sides.

I've always figured the bumper was from a small impact by po. I've lived with it (and the paint), but since I'm going to repaint wanted to fix these.
looks like I'll be researching bumper replacement threads.

Last edited by rrent; Apr 18, 2014 at 11:51 AM.
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Old Apr 18, 2014 | 02:16 PM
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If you plan on painting your Vette. The only way I would recommend is to strip the old paint and primers off and then effect whatever repairs are necessary. Undercutting those seams and filling them in with Vette Panel Adhesive is what I do to to keep them from showing through. There is plenty of info on this and more in the Paint and Body section. There are some real knowledgeable folks there that can help you along.
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Old Apr 18, 2014 | 03:16 PM
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Get a Flexiglass replacement. Yes, strip off all of the old paint. When you have it repainted, ask the painter to add flex agent to the paint for the front bumper cover. You may as well replace the rear while you're at it. The 30+ year old bumper covers are as brittle as an egg shell and ready to shatter.
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Old Apr 18, 2014 | 05:55 PM
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New bumper is the way to go. FYI, you don't need flex agent in the clear unless you are going to paint the bumper cover off and car and install. Flex agent flashes off in a couple of weeks (depending on the temps).
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