Rivets/welding EDP - Impala Tech
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post #1 of 8 (permalink) Old 03-22-2019, 11:02 AM Thread Starter
 
 
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Rivets/welding EDP

I'm replacing floor pans in 66 Impala and the replacement pans are coated in EDP. Can I pop rivet? If I weld, do I need to remove EDP surface before weld? Does that ruin the coating? Thanks in advance!!

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post #2 of 8 (permalink) Old 03-22-2019, 11:26 AM
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You can not pop rivet the pans in, they must be stich welded (MIG or TIG). You should grind the EDP coating off with a red Scotch bright wheel Then weld before priming it with self etching primer.

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post #3 of 8 (permalink) Old 03-22-2019, 01:27 PM Thread Starter
 
 
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Ahh, ok. It's funny, doing this as teenager helping friends out with cars, we'd pop rivet everything!! Now with the internet I can learn all the reasons as to why that's wrong, lol
Ok, grind, prep, and weld.
Any coating I should put in after everything is welded and grinded smooth?

Impala 66

Last edited by Dennis Bouvier; 03-22-2019 at 04:14 PM.
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post #4 of 8 (permalink) Old 03-22-2019, 02:21 PM
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Self etching primer bonds to bare metal; but it needs to be be covered with either high build primer then paint after that, as self etching primer is porous (water goes right through it).

Big Dave
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post #5 of 8 (permalink) Old 03-28-2019, 05:08 PM
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Pop Rivets

Here's what I did when I replaced the floor of my 68. Stitch weld in the pans like Dave said then I applied Evercoats waterproof Everglass Kevlar reinforced filler in all the seams (both inside and under seams). Then rollered on a coat of Nason Epoxy Primer. That stuff is hard as rock when dry. Scuff sanded the epoxy after a couple of days and sprayed semi gloss black over top the Epoxy. Came out perfect and I don't think I will ever have another issue with rusting floor pans again.
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Brian

1968 Impala SS Fastback 383 stroker
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post #6 of 8 (permalink) Old 08-29-2019, 04:11 PM Thread Starter
 
 
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Well...that's something I only want to do once!! Lol 😁 I see I started this in March. It takes a lot of time to cut out a floor and put a new one in!!!!. I know that now 😬
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Impala 66
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post #7 of 8 (permalink) Old 08-29-2019, 06:08 PM
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That is why I would have rather built a dominating street motor for the body shop tech and have him do the work foe me.

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post #8 of 8 (permalink) Old 08-30-2019, 09:32 AM
BA.
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Big job but the results are pretty fantasic.

HOW A NOVICE REBUILDS A 66 IMPALA CONVERTIBLE:
http://www.impalas.net/forums/blog.php?u=1432
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