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Old 06-29-2003, 08:22 AM
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new floorpan install

I have a 1965 Chevelle 300 Delux that needs new floor pans. Both sides in frt. are shot and part of the tranny tunnel has to be replaced too. What I'd like to know is: are the pans welded to the pan cross-mambers? Any input from folks who've done this type of install would also be greatly appreciated. By the way, I am MIG welding the new pans.--Greenwood502
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Old 06-29-2003, 05:56 PM
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It's a job. Get your new pans first before you do anything. I replace mine using 2 complete halves. I'm not quite sure what you mean by the pan crossmembers but I think you mean all the braces underneath and yes they are welded to the pans. You can get new braces for around $60 a pop but chances are they will not fit as well as the originals. If yours are in decent shape, get a spotweld drill and drill the pans from the braces and use the originals. Make sure you sandblast and prime using weld thru primer before you reinstall the pans. Also cut you old pans out smaller than what your new pans are. Take your time trimming so you get the best fit you can. Tack them in and double check everything before you weld. One thing I would do before you start welding on anything is remove the gas tank. One leak and one spark and you won't have to worry about replacing the pans. While the tank is down check to see what kind of shape it's in and check the hanger straps. Good luck.

Kevin
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Old 06-29-2003, 09:04 PM
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Keven is right.

I`ve known several cars and shops that burnt, because a wire
went through a weld and hit a fuel line.

Troy.
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Old 07-02-2003, 12:53 PM
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floor pan

you have to locate the spot welds on the floor and grind them down with a grinder and them cut the floor out (yes the spot welds go to the cross member)
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Old 07-04-2003, 05:40 AM
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Guys, thanks for the replies. Kevin45, yes, I meant the pan cross braces. The replacement pans I have are in two sections (front only). The rear floors are in decent shape, so no probs. there. The pans I have will extend just behind the back edge of the front bench-seat.
Say, while I'm here... Tell me how you aligned the holes in the original floor with where the holes should be in the new floor. I thought I'd just lay the new on top of the old and shoot a few spots of spray paint thru the holes, from underneath, to mark the positions for the new holes.
By the way, the gas tank and fuel lines were just about the first things I removed. Don't wanna be toast!
Thanks again for ya'lls help.

Mark
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Old 07-08-2003, 01:40 PM
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floor pan

no need to use spray paint, just put your spot weld about every 2in and you will be fine, and make sure you put the old pan over the new one and mark it, then cut about a 1/2 in under the marked line so you can over lap the floorpan. or it you are ok at welding, you can cut exact and butt weld. please always double check our measurements.
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