I'm looking at the floor pan support (mid support) and the pans that are in the car now as well as the new support and pans against the wall in my garage and I just can't seem to figure out how to go about this remove/install task........ any help would be appreciated. The new pans and support are POR-15'd and ready to go. Thanks


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John A ('70 Chevelle 454)
My 70 project (http://users.ev1.net/~jaaustin/aiqi%20word%202000%20wab%20page_files/chevelle.htm)

To remove a support from a floor pan, use a wire wheel on a drill and go over the support or floor looking for small 1/4" dimples in the metal. These are the factory spot welds. Buy a spot weld cutter and drill these out. When they are all out, the support should come off. These can be either be reinstalled if still good or install the new ones with tack welds.

For the floors, you just cut out the portion you want to replace with a cutoff tool or similar using your new panel as a guide. (I often just use a jigsaw with a metal cutting blade) Then fully weld in place.


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Bob (Pa.)

1963 Impala 283
1966 Chevelle SS 409
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1971 Cheyenne 20 3/4 ton
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[This message has been edited by mr409 (edited 10-04-2002).]

You can order a spot weld cutter from these people:
www.eastwoodcompany.com (http://www.eastwoodcompany.com)

I hate to tell you this, but you should have applied the Por AFTER you installed the pans. It's not a major problem, but you will need to be wearing a full respirator when you go to weld the new ones in place. Por is nasty stuff if it gets inside your body. I'm told that you absolutely do not want to breathe in the fumes from if you happen to heat some of it up during welding. You will need to grind down the areas of the pans where you'll be welding. Don't try to weld through any paint, Por or otherwise. Still, even with the area ground down to bare metal, it's inevitible that you will heat up some of the finished Por on the surrounding metal to the point that it will produce smoke, so wear that respirator!!

That is some great input guys, thanx. I assume that my new mask with the 2 round disposable filtes will be sufficient protection? It is rated for protection from welding fumes and painting.
Thanx again to both of you............


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John A ('70 Chevelle 454)
My 70 project (http://users.ev1.net/~jaaustin/aiqi%20word%202000%20wab%20page_files/chevelle.htm)