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Old 03-12-2009, 02:48 PM
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41 Ford Business coupe frame

I am looking for plans to build a frame for my 41 Ford Business coupe. The frame in it has been stubbed up front and had a 10 bolt welded in the back of it. I would like to make it gasser style but need to know the best size steel for the frame work. I plan on a small block Chevy for now since I have several to choose from. My other choice is to find an original frame and tear it down then buold it up the right way. I don't like hack jobs and it must be safe for the family to ride in too. Thanks for any help you have to offer. Scott

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Old 03-12-2009, 02:51 PM
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I use a 2x6 120 wall to make a new frame for my rod and if you just take the dimensons of of the one you have you have the plan..

You can taper the tubes in a vertical direction to be similar to the shape of the original..

Sam
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Old 03-13-2009, 12:03 AM
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Depending on the design, 2x3x.120 wall mild steel is very common, as is 2x4x.120. If you are going to be installing a roll cage that is tied into the front suspension area, (highly recommended) you can go with the smaller tubing.

The critical item on a "gasser" style car is the front suspension and steering. Do your homework regarding avoiding bump steer and roll steer geometry problems which are typical for a tall ride height straight axle set-up that would be in a car like that.

If you have access to an all original frame that is in good shape, you would likely end up with a nicer looking frame that is more period correct than a custom rectangular tube setup.

Andy
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Old 03-13-2009, 01:40 AM
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"must be safe for the family to ride in too"

I strongly suspect you've never driven a tube axle gasser on the street.
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Old 03-13-2009, 01:30 PM
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I've never driven one but I like the looks. Thanks for all the replies
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