ConcoursMustang Forums
Restoring - General discussions that span across many different groups of years and models => Processes, Products & Techniques => Topic started by: midlife on October 05, 2011, 09:19:13 AM
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Yesterday, I played around with Evaporust and wiring, specifically a 1966 fuse box that was reasonably rusty. After 1.5 hours, there was little improvement, so I went a full 17 hours (overnight!). There was some improvement, but to tell you the truth, I was very disappointed in the results. I think the issue is that the fuse box clips are cad-plated, nickel-plated, and copper cores, although some appear to be steel-cored. Evaporust appears to work best on steel and iron rust. The Evaporust did not affect the insulation of the wires or the bakelite fuse box itself.
I think I'm going to stick with bead-blasting the fuse box and clips to get rid of the rust, followed by a coating of dielectric grease to prevent rust.
Here are the before, during, and after pictures:
Starting out:
(http://midlife66.com/harnesses/pics/evaporust/0front.jpg)(http://midlife66.com/harnesses/pics/evaporust/0back.jpg)
After 1.5 hours:
(http://midlife66.com/harnesses/pics/evaporust/1_5front.jpg)(http://midlife66.com/harnesses/pics/evaporust/1_5back.jpg)
And after 17 hours:
(http://midlife66.com/harnesses/pics/evaporust/17_front.jpg)(http://midlife66.com/harnesses/pics/evaporust/17_back.jpg)
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You may want to wait longer Randy. I've had some parts that really didn't start to clean up until 3-4 days. You can scrub with a nylon toothbrush once a day and that seems to help
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Well, that'll really drag out the timeframe for me to refurbish harnesses! I can bead-blast the fuse box and any male/female bullet connectors and apply dielectric grease in less than 5 minutes.
The important thing, though...is if anyone wants to apply evaporust, it doesn't hurt the wire insulation.
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How old is your evaporust? If it's been used a lot, it might not be as potent as it was. Might try a new bottle.
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Second use; the first was a test sample on a single bolt, nut and washer in a small jar.
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Midlife, what temperature would your evaporust be during use ? It works faster when it's warmer.
I have a couple of fish tank heaters in the tubs with the evaporust, heats to about 80 degrees F.
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This was in my climate-controlled garage: 76*.
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I have had some but very few poor results with evaporust. You mentioned that zinc coated parts didn't work well. I've found the opposite with zinc. Took the rear 1/4 window slider plates and front side window frames which are both zinc coated steel and after a day of soaking any rust disappeared and zinc looked feashly plated. I have SS trim rings and GT caps soaking as I am posting.