what goes behind the suspension console?, to stop future RUST |
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what goes behind the suspension console?, to stop future RUST |
obscurity |
Oct 30 2007, 01:03 PM
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#1
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Member Group: Members Posts: 411 Joined: 24-February 06 From: Atlanta ,GA Member No.: 5,628 Region Association: South East States |
I am getting ready to weld the right rear suspension console into the car with lots of plug welds per the original and I was wondering what I should coat the bare steel on the long as well as the console with to prevent future rust. I will have to weld into/through it I guess? What have other done? What product have you used?
Thanks, John |
IronHillRestorations |
Oct 30 2007, 07:42 PM
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#2
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I. I. R. C. Group: Members Posts: 6,724 Joined: 18-March 03 From: West TN Member No.: 439 Region Association: None |
Cold galvanizing primer isn't the best choice for a weld through primer, for several reasons. The first of which would be the health risks associated with burning zinc, and you don't want to do that. The other problem is getting good weld penetration, and welds without inclusions (junk in the weld nugget) from burned paint. I use the 3M stuff, and clean the paint off the area to be welded. If you scratch off a good bit of paint to bare metal, you can get a good bead started with less trouble.
You can (should) also treat the metal under the area to be covered with a phosphoric acid treatment, which leaves a zinc coating. After you weld the console on, you can drill a couple of 1/2" holes in it, and spray in some more converter, rinse, let dry and spray in some paint. |
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