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Old 07-30-2004, 12:43 AM
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Defiled Urathane Bumpers

I just bought my little bro's school project car, which he never finished. It's a '76 firebird, good body, no rust, already stripped, and the 400 ci engine is fresh out of the machine shop and built for power.
My setback is this. The '76 was the first year of the urethane molded in bumpers. It had a few coats of paint on em when he started stripping them, and instead of being patient, he took a grinder to them.
As you can imagine, they're not in very pretty shape. they were left all wavy, and with many deep grinding marks, completely taking out some of the finer lines. I hate to attempt to even think about fixing them, but haven't been able to find any bumpers for it anywhere.
Anyone have any suggestions on how to fix them? I've already tried all of the major restoration catalogs I know of, adn the junk yard search came up empty.
Thanks guys!

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Old 07-30-2004, 06:37 AM
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It can be fixed but will require a lot of work.
I just did a 69 judge endura bumper because you can not buy one. I have no less than 3 full days of work just V-grooving hairline cracks and filling and sanding.
Only way you can do yours to last is by using a two part bumper repair such as Plastomix, Duramix, 3M etc.
These products don't sand easy when doing big areas.
If that was my firebird I would be emailing junk yards all over the country before I tried to fix the one you have.
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Old 07-31-2004, 05:00 PM
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I totally agree with you about finding some other bumpers first. I've been searching off and on for a while now, and up to this point, have only found one set down in Pheonix, which were in worse shape than mine. I'll keep looking, but If I get desperate enough, adn teh rest of teh build is nearing compleation... I'll probably just end up fixing the ones I have. Who knew these would turn into a hard to find item... oh well.

Thanks for the advice,
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Old 08-04-2004, 07:14 PM
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Id give this SITE a serious look also, its the BEST site Ive found to date on repairing plastics.

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