bikecarbfred
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| posted on 29/5/22 at 08:02 PM |
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Fiberglass seat fixing straight to flooring
any ideas what these VW floors are made of. you knock on them and they feel like cardboard.
I've checked underneath and fuel line etc are well out of the way.
Worth just drilling through to mounting my subframe work or shall I just tack-weld a strip of 3mm flat bar on each side just for
insurance and drillstraight through that and the floor at same time.
of course using extra large washers on the under side.
regards.
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adithorp
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| posted on 30/5/22 at 06:39 AM |
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The floodpan will be steel. Pressed with ridges that you can see from underneath to stop them flexing. What's on top of them could be a lot of
things. Looks like as a combination of noise deadening and to provide s flat surface from what I can make out.
If you're drilling through with the board in place I guess you're going to have to have some sort of spacer between board and floor pan
unless the underside is moulded to match the pan.
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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Mr Whippy
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| posted on 30/5/22 at 07:02 AM |
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My experience of VW's is their floors are made of rust held together with underseal...you might even encounter some quality repairs using some
half cured GRP matt.
Have you tried sitting in them in the car? most of the GRP seats I seen and own have practically your butt 10mm off the floor. One of those in a Golf,
you wouldn't even see over the dash! 
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bikecarbfred
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| posted on 30/5/22 at 11:24 AM |
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Lmao yeah there is some grp VW must have put in . On top side you can just notice it .
And yeah you can’t see over dash loool. But I’ve made a subframe
Bracket lightweight out of aluminium 6mm flat bars. I think safest bet is to weld steel 3mm flat bar on the side rails
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nick205
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| posted on 30/5/22 at 11:42 AM |
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Are these things not made for the job
[Edited on 30/5/22 by nick205]
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bikecarbfred
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| posted on 30/5/22 at 01:39 PM |
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They are but a lot of these shell seats have thier fixing underneath.
Plus those side mounts you have pictures would have to be drilling into floor anyway .
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Mr Whippy
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| posted on 31/5/22 at 07:13 AM |
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I'd go with your idea of the 3mm flat bar on the inside, some big penny washers on the underside would be fine. Mind to use new nylocks and if
they frames you've made are steel then I'd weld the head of the bolts to the frame so they don't turn when your under the car
tightening them up.
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snapper
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| posted on 31/5/22 at 07:47 AM |
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The “cardboard like material” is compressed fibre sound deadening specifically designed to absorb moisture and rot floors out, on some cars they were
glued down with a tar like substance that made removing the fibre almost impossible.
I eat to survive
I drink to forget
I breath to pi55 my ex wife off (and now my ex partner)
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nick205
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| posted on 31/5/22 at 11:17 AM |
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quote:
Originally posted by snapper
The “cardboard like material” is compressed fibre sound deadening specifically designed to absorb moisture and rot floors out, on some cars they were
glued down with a tar like substance that made removing the fibre almost impossible.
Pretty accurate description there. Removing it from tin tops if you plan to use the cae for any form of competition will remove a fair chunk of
weight from the vehicle. "Lightness = speed" as they say.
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