Floor board cancer........going to need a new shell. - Page 2 - Miata Turbo Forum - Boost cars, acquire cats.

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Old 10-04-2009, 10:47 AM   #21
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Anyone think I could grind away as much as possible, treat the rust and then fiberglass the holes? Then I could spray the bottom with that rubberized under coating.
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Old 10-04-2009, 11:00 AM   #22
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O come on your losing weight that just means it will be faster. If your worried about the structure just put a full cage in it and call it good.
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Old 10-04-2009, 03:15 PM   #23
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Anyone think I could grind away as much as possible, treat the rust and then fiberglass the holes? Then I could spray the bottom with that rubberized under coating.
I might just set myself on fire with this one, but here it goes. Could you cut the metal that is completely rusted, then grid the metal that can be saved. Weld a piece of sheet metal to replaced the one you cut. Ive seen this on Horsepower TV, on spike. There have been many restorations in the show and that seems to be the solution for rusted panels.
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Old 10-04-2009, 03:43 PM   #24
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Fab up a tube frame to hang your suspension from,the cut out the floor andhang the body on that.
-=G=-
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Old 10-04-2009, 04:54 PM   #25
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I might just set myself on fire with this one, but here it goes. Could you cut the metal that is completely rusted, then grid the metal that can be saved. Weld a piece of sheet metal to replaced the one you cut. Ive seen this on Horsepower TV, on spike. There have been many restorations in the show and that seems to be the solution for rusted panels.
I was just going to say this. +1
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Old 10-04-2009, 04:56 PM   #26
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A new shell is cheaper, though, especially since you seem to have gotten into the recycling business, Phil. Just find a clean, red shell, swap your parts over, part out what you don't need. Ask Scott - I think he even ended up with some money in pocket.
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Old 10-04-2009, 04:59 PM   #27
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In the scheme of things, I've seen my dad's shop save cars that had more rust than floorpan (very literally, you could see the ground under you) that make that work look like a cake walk.

It's fixable. What's easier for you?
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Old 10-04-2009, 05:40 PM   #28
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Bah stop being a ***** and cut out that floorboard and jbweld some nice kick plate in.
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Old 10-04-2009, 05:44 PM   #29
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Are floor pans available for our cars, or would I need to cut it out of a donor car?
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Old 10-04-2009, 06:08 PM   #30
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Are floor pans available for our cars, or would I need to cut it out of a donor car?
Couldn't you fabricate some sheet metal floor pieces? I'm not sure what would be harder: fabbing up some new floor pieces or transplanting all your parts to a new shell.
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Old 10-04-2009, 06:10 PM   #31
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new floorpans is the easier option.
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Old 10-04-2009, 06:15 PM   #32
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new floorpans is the easier option.

I'm starting to lean that way. I can get a floor pan out of a donor car no problem. Welding it into my car is the only hurdle.
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Old 10-04-2009, 07:31 PM   #33
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I'm starting to lean that way. I can get a floor pan out of a donor car no problem. Welding it into my car is the only hurdle.

thats pretty much what I suggested. Any welding skills??
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Old 10-04-2009, 08:58 PM   #34
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This is why I suggested tread plate and jbweld. And a hammer. It is under the carpet after all..
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Old 10-04-2009, 09:20 PM   #35
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I wouldn't trust JB Weld for something that will see twist. Shitty welding will do better than JBW IMO.
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Old 10-04-2009, 10:31 PM   #36
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I wouldnt get a whole new shell over that. I doubt it will affect rigidly noticeably. When I was restoring my 73 triumph gt6, both floor pans were completely toast. Just got some scrap sheet metal, made the appropriate bends/tapers, and welded them in really well while the car was on a level surface. Once the carpet was back in, nobody had a clue.
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Old 10-04-2009, 10:36 PM   #37
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If you can mig a manifold for your turbo you can easily do this,Remember fit up is the key.
-=G=-
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Old 10-04-2009, 10:47 PM   #38
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I wouldn't trust JB Weld for something that will see twist. Shitty welding will do better than JBW IMO.


ok then liquid nails or silicone caulk.
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Old 10-05-2009, 10:50 AM   #39
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Quote:
Originally Posted by levnubhin View Post
Are floor pans available for our cars, or would I need to cut it out of a donor car?
Quote:
Originally Posted by rccote View Post
Couldn't you fabricate some sheet metal floor pieces? I'm not sure what would be harder: fabbing up some new floor pieces or transplanting all your parts to a new shell.
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Originally Posted by tyson87 View Post
new floorpans is the easier option.
Quote:
Originally Posted by levnubhin View Post
I'm starting to lean that way. I can get a floor pan out of a donor car no problem. Welding it into my car is the only hurdle.
My driverside floor is much worse then that, I would be very interested in replacement floorpans if someone is making them/going to make them.
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Old 10-05-2009, 11:04 AM   #40
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You can buy them from Mazda. List is $220/side, but can be had for substantially cheaper.



I suppose you could also cut them off a tub that's smashed too badly to salvage.
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