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> Chroming a factory painted bumper, Anyone done it?
horizontally-opposed
post Aug 13 2018, 01:25 AM
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Curious if anyone has done it, and if not, if there is a reason it can't be done?

There was a recent thread where it was suggested that the painted bumpers were different than the chrome ones, but I suspect the thickness and hardness has a lot to do with the chroming process/layers.

Thoughts?

Thanks! (IMG:style_emoticons/default/beerchug.gif)

pete
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Tom_T
post Aug 13 2018, 09:15 AM
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The only thing that I'd heard as a possible difference, is that the painted ones were a lesser quality surface finish - perhaps with the later 73-74 ones with the black textured paint.

That said, a painted bumper will probably need to be just as smooth to get a good paint finish, & the factory F & R Valances & L & R Rocker panels were just as smoothly finished as were any other painted body panel, & those too were in the same textured black paint for all 70-76 MYs - so I personally doubt the difference.

However, with ANY bumper or other chrome plated part, you'll want to spend the money to get the surface finished & prepped well, then to do "Triple Chrome Plating" - which is actually Copper-Nickel-Chrome for the triple plate process - & to have the plater do as many copper dips & polishing that base layer as it takes to get the surface "baby butt smooth" before they go on to the nickel & chrome layers, in order for it to look great as OE. This is true whether it was originally chromed or painted.

So get a good reference(s) for chrome shops, such as Rob gave above.

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Tom
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