Cutting and Welding - Pontiac GTO Forum
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post #1 of 6 (permalink) Old 01-15-2013, 07:53 PM Thread Starter
 
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Cutting and Welding Question

I'm almost finished replacing the front passenger side floor pan.

I also need to replace the floor pan on the drivers side. However, the fuel and brake lines run along that side of the vehicle. The best course of action would be to remove all lines.

I would prefer not to since there is a chance of them breaking. I want to cut the half closest to the lines with a cutting wheel and then use the plasma cutter for the rest. I was going to place extra welding leathers on the lines during cutting and welding.

Has any one done this before?


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post #2 of 6 (permalink) Old 01-16-2013, 11:13 AM
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I replaced both floor pans, and trunk pan without doing anything to the lines.
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post #3 of 6 (permalink) Old 01-16-2013, 05:01 PM Thread Starter
 
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Thanks, what did you use/method to cut the floorpans? What did you use/method to weld the floorpans? How much of the floor pan did you replace?

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post #4 of 6 (permalink) Old 01-16-2013, 06:17 PM
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Yeah, I've done the same on many different cars. I use a thin cutoff wheel and mig weld in place. Lots of wet rags and leather or sheet metal to shield the lines.



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post #5 of 6 (permalink) Old 01-16-2013, 06:22 PM
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Like Alky I used the thin cut off wheels to remove the floor. I did the whole bottom and up the sides about two inches. I overlapped the new over the old by about an inch. I stich welded with a wire feed all the way around untill the whole thing was welded. I then used some seam sealer over the welds. For the floor braces I used a spot weld remover and then drilled 1/4 inch holes in the floor pan and welded the floor to the braces filling the holes.

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post #6 of 6 (permalink) Old 01-16-2013, 08:20 PM Thread Starter
 
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Thanks for the info guys.

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  Pontiac GTO Forum > The 1964-1974 Pontiac Tempest, Lemans & GTO > 1964-1974 Tempest, LeMans & GTO Technical and Electrical Wiring

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