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Black zinc go-to person??? #1380484
02/02/13 04:11 PM
02/02/13 04:11 PM
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Southeast Virginia
68jim Offline OP
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Guys,

When I did my road runner a couple of years ago I used the Eastwood kits on much of my hardware. The stuff certainly looks nice for a while and the only water my car has seen is just from a garden hose... Lot of the hardware is starting to rust again and since I had to remove several pieces after the accident, I seem to recall that black zinc was a better product than the black phosphate even though it tend to be a bit more glossy. Do we have a go-to person on the board here for this process or is this fairly common for local platers?

Jim

7571913-PB110314.JPG (51 downloads)
Re: Black zinc go-to person??? [Re: 68jim] #1380485
02/02/13 04:16 PM
02/02/13 04:16 PM
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Candler,NC / Myrtle Beach, SC
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JDMopar Offline
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Moparts member 3404 Eric did some stuff for me several years ago, and it turned out great. Good guy to deal with.

3404@oh.rr.com

Re: Black zinc go-to person??? [Re: 68jim] #1380486
02/02/13 04:17 PM
02/02/13 04:17 PM
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1_WILD_RT Offline
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You may be able to find a local plater that can do it, out in California it's gotten hard to find... Since they have a flat minimum fee last time I had black zinc done I took in quite a bit...

7571922-Oxide011.jpg (68 downloads)

"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
Re: Black zinc go-to person??? [Re: 1_WILD_RT] #1380487
02/02/13 04:20 PM
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7571928-Oxide012.jpg (105 downloads)

"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
Re: Black zinc go-to person??? [Re: 1_WILD_RT] #1380488
02/02/13 04:21 PM
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7571929-temp068.jpg (78 downloads)

"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
Re: Black zinc go-to person??? [Re: 1_WILD_RT] #1380489
02/02/13 04:22 PM
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1_WILD_RT Offline
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And

7571932-Oxide008.jpg (75 downloads)

"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
Re: Black zinc go-to person??? [Re: 1_WILD_RT] #1380490
02/02/13 05:28 PM
02/02/13 05:28 PM
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jersey shore
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flypaper Offline
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that stuff looks nice wild!
have you used it on a car for a while
and how does it hold up?
i'm at that crossroad right now
i have alot of that stuff cleaned up and bagged away
and i'm plotting my next move.

Re: Black zinc go-to person??? [Re: flypaper] #1380491
02/02/13 05:44 PM
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1_WILD_RT Offline
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I've had black zinc stuff on a few cars for 10-12 years now & it still looks good, but this is California so it's a mild climate.. I did everything I posted plus probably the same amount that I didn't post, through Alta Plating in Sacramento it was $300.00 Their minimum is $120 so I just took them everything I could think of & hoped it wouldn't be to ugly...


"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
Re: Black zinc go-to person??? [Re: 1_WILD_RT] #1380492
02/02/13 06:17 PM
02/02/13 06:17 PM
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A collage of whims
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I use Eric ("3404" here) for all my plating; he's been great on the last couple of cars.

Re: Black zinc go-to person??? [Re: topside] #1380493
02/02/13 09:07 PM
02/02/13 09:07 PM
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Southeast Virginia
68jim Offline OP
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Thanks for the responses. I sent Eric a PM.

Jim

Re: Black zinc go-to person??? [Re: 68jim] #1380494
02/03/13 12:06 AM
02/03/13 12:06 AM
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Usa
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Smhemi Offline
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Jim when you get your parts back try this stuff works good on black phosphate http://www.grizzly.com/products/LCW-Post-Treatment-Solution-1-pt-/H9459

Last edited by Smhemi; 02/03/13 12:09 AM.
Re: Black zinc go-to person??? [Re: 68jim] #1380495
02/03/13 10:41 AM
02/03/13 10:41 AM
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I have used Gun blue which I purchased at Cabela's. The parts need to be "oiled" to prevent them from rusting. I coat them with grease. It's an inexpensive way of getting a finish on them. Picture shows before, wire wheeled and after although the after does not have grease on it yet.

7572981-Phosphate.JPG (38 downloads)

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Re: Black zinc go-to person??? [Re: cdstl] #1380496
02/03/13 12:54 PM
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1_WILD_RT Offline
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Quote:

I have used Gun blue which I purchased at Cabela's. The parts need to be "oiled" to prevent them from rusting. I coat them with grease. It's an inexpensive way of getting a finish on them. Picture shows before, wire wheeled and after although the after does not have grease on it yet.




Been there, tried that... As pointed out in the first post the results of gun blue or other cold dip processes looks good short term but I drive my cars & bolts showing rust in a couple years isn't acceptable...


"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
Re: Black zinc go-to person??? [Re: cdstl] #1380497
02/03/13 12:57 PM
02/03/13 12:57 PM
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Dry Heat AZ
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AAR#2 Offline
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Quote:

I have used Gun blue which I purchased at Cabela's. The parts need to be "oiled" to prevent them from rusting. I coat them with grease. It's an inexpensive way of getting a finish on them. Picture shows before, wire wheeled and after although the after does not have grease on it yet.




Gun blue is Black Oxide, and a horrible corrosion preventative. Its strong suit is that it add's no appreciable dimension to a surface, so precision ground or finished items will work as intended. Due to the structure of the coating it holds oil (or sealers) and is the only real protection you get. The downside being that oil will collect dirt. In some applications black oxide is used in gearboxe gears to continually wet the surface (remember it holds oil), providing better lubrication.

Phosphates (zinc or manganese) are only slightly better for corrosion protection and act similarly to black oxide by holding oil (or sealer) on the surface. Colors vary slightly based on the age of bath, time in bath, temperature and material being plated. Zinc is a more porous surface and generally more grey, manganese is a tighter structure and usually a bit darker, perhaps more appealing visually.

The original post was asking about black zinc. This surface will actually provide good corrosion protection since your actually applying zinc with a conversion coat. If taken to a plating shop it will likely be hexavalent though some are switching to trivalent chromates as they are more EPA friendly. Black chromate will leave a very slight iridescent color on the surface (purple, pink, green effect).

Bottom line, oxide and phosphate are poor corrosion protectors on their own and rely on oils or sealers, black zinc is far superior for corrosion protection (in the magnitude of 15x better)

The decision becomes do you need original finish and look or not, builder choice.

Re: Black zinc go-to person??? [Re: 1_WILD_RT] #1380498
02/03/13 01:10 PM
02/03/13 01:10 PM
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jersey shore
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flypaper Offline
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Quote:

Quote:

I have used Gun blue which I purchased at Cabela's. The parts need to be "oiled" to prevent them from rusting. I coat them with grease. It's an inexpensive way of getting a finish on them. Picture shows before, wire wheeled and after although the after does not have grease on it yet.




Been there, tried that... As pointed out in the first post the results of gun blue or other cold dip processes looks good short term but I drive my cars & bolts showing rust in a couple years isn't acceptable...




that is the way i'm thinking..
i live in one of the most harsh environments for a car
to survive long term.
it might seem overkill,
but i see first hand how different things will last
out in the elements at the shore near me.

Re: Black zinc go-to person??? [Re: flypaper] #1380499
02/04/13 04:06 PM
02/04/13 04:06 PM
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Ridgeland Wi
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mopars_1 Offline
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I used gun blueing and then coared them in ECS's rpm. Relativly cheap and effective way to do all my hardware.


1971 Plymouth Duster 340 auto
1937 Plymouth PT50
1969 Dodge Dart Swinger 340 4 speed
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