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Old 01-05-2012, 08:08 AM
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what size rect./square tube to make floor support/frame work?

I am starting to make the frame work to support my new floor and body mounts
the stock stuff is formed sheet metal about 3/4" tall
I could not get any 3/4" x 1 1/2" rect., only 3/4" square tube (thats not very big)
so I bought 1" x 1 1/2" rect. and I already have some 1" x 2" rect.
I am sure this will work well
but I have to notch it, so the floor will line up at the rockers


what size does everyone else use ?
any suggestions or insights would be helpful as I start this part of my project

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Old 01-05-2012, 08:19 AM
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I would have used the 3/4 tubing as long as it was 1/8 or thicker. In my opinion,you have added unnecessary work and weight.

Trees
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Old 01-05-2012, 08:24 AM
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Quote:
Originally Posted by trees
I would have used the 3/4 tubing as long as it was 1/8 or thicker. In my opinion,you have added unnecessary work and weight.

Trees
kinda how I felt
still looking at it
just wanted to get started
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Old 01-05-2012, 09:35 AM
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3/4 tube works fine...i use a 0.95 wall..

Sam
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I have tried most all of it and now do what is known to work..
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Old 01-05-2012, 09:50 AM
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Quote:
Originally Posted by OneMoreTime
3/4 tube works fine...i use a 0.95 wall..

Sam
I only bought one stick (its 1/8")
the part that I am working on now, is also going to be the body mount at the front door pillar
it will not go all the way across the car because of the trans tunnel
so I guess a little extra beef is good?

sounds like for the rear part of the car (behind the seats and trunk) I should go get that 3/4" square?

Thanks guys

anyone else?
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Old 01-05-2012, 10:17 AM
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I used 1" X 1" -065 wall in my Car, and it seems to be plenty stout enough-I would Post pictures, but I can't seem to interface with this site-
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Old 01-05-2012, 02:48 PM
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My TCI chassis uses 3/4" x 2" x .125 for the cross members, this stuff is extremely strong.
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Old 01-08-2012, 07:01 AM
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I wanted a more original look so I went with some channel I had made at the local sheetmetal shop
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Old 01-08-2012, 07:15 AM
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Quote:
Originally Posted by deadbodyman
I wanted a more original look so I went with some channel I had made at the local sheetmetal shop
that does look a lot more like what i'm cutting out
about how much did it cost to have those made?
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Old 01-09-2012, 06:31 AM
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It was a while ago but I think 20.00 ea for a 10'...I just brought them a mechanical drawing of what I wanted.but you could cut out a section of your old one and bring it to them...they used a press brake. which is a very expensive piece of equipment,so to save time running around I would call a few places and say you need some channel made with a press brake if they dont have one they probably cant do it...If I remember correctly I made mine 2" wide x 3/4" high with 3/4" ears to weld the floor to...Its very strong even before you weld the floor in but after you weld the floors in it wont budge...
I ran out and had some more made ,the only thing they had on hand was galvinazed ,I think I like IT even better...
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Old 01-09-2012, 07:06 AM
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How bad off is the floor in that coupe? Is a channel job (body drop) something you want to do?
heres a few more pics ....everybody loves pics
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Old 01-09-2012, 08:44 AM
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Quote:
Originally Posted by deadbodyman
How bad off is the floor in that coupe? Is a channel job (body drop) something you want to do?
heres a few more pics ....everybody loves pics
I am going to end up replacing the whole thing, eventually

so that was one of the things (channel it) that was holding me up a little
I couldnt make up my mind, ya or nay, looks cooler but way more work

I finally said screw it, I dont want to add to the difficulty right now, I just want to drive it

get it running, then I will work on making changes or redo anything I need

it will be driven while its "under construction" so there will be lots of time to do things over or modify them


thanks for all the help
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Old 01-09-2012, 05:33 PM
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square tubing size

I used 1" tubing with 1/8" wall thickness on my 34 frame. It supports the seats, ebrake handle and i also ran some bolts through the floor in it in diff areas to help hold the body down. i got a video of it on utube..look up frankenstude too vids
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Old 01-19-2012, 05:05 PM
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whats the average spacing (how far apart) do most of you guys use for the floor supports?

the two stock ones that are left on my car, are about 12"-13"
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