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Author Topic:   Floor pan
70grande
Journeyman

Posts: 80
From: Renton, Washington
Registered: Mar 2001

posted 07-04-2001 04:42 PM     Click Here to See the Profile for 70grande   Click Here to Email 70grande     Edit/Delete Message   Reply w/Quote
my mustang has a 1 1/2" size hole followed with a 2" strip of pin to 3/8" size holes on the passenger side floor pan aprox 3 inches from the rocker panel (measured from the inside), the metal has obvious rust, surface and then of course the holes. it also seems to be flexible and thin.

my question is is this repairable without replacing the pan? can i fill it, cut out a smaller piece of the replacement pan (i already purchased a replacement) and weld it over the top, or do i have to cut out the old pan and replace it.

as you can probably guess i am very intimitated by the later option. i have very little welding skills, but am not opposed to learning if need be. i just dont want to do more than what might be necassary for the job.

all opinions are gratefully welcome
thanks.

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1970 Grande 3.50 9",4 wheel disc, gt40-cobra rims(soon) 351W, Calypso Coral, Severe state of restomod

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Fastback68
Gearhead

Posts: 1746
From: Sucat, Paranaque, Philippines
Registered: Jul 99

posted 07-05-2001 07:50 AM     Click Here to See the Profile for Fastback68   Click Here to Email Fastback68     Edit/Delete Message   Reply w/Quote
This is just an opinion, which the experts will probably tear to pieces - but either way you get your answer If you don't want to weld in the new floorpan, it's probably no biggy, but don't chop it up. Save it intact. Then treat the existing pan, top and bottom, with rust converter (I use "Turco"; I don't know what you have in the US). Cut out any parts which are solid rust. Then prime what's left, and get any old welding shop to put a sheet of steel UNDER the pan, not over it. Then cover that with the goop they put under cars to protect them. Among other reasons, putting the steel sheet under the pan, not over, means you can easily keep an eye on whether rust is still progressing on the original pan. That's what I'd do.
Simon

[This message has been edited by Fastback68 (edited 07-05-2001).]

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66351stang
Gearhead

Posts: 677
From: sayville,newyork
Registered: Jul 2000

posted 07-05-2001 10:24 PM     Click Here to See the Profile for 66351stang   Click Here to Email 66351stang     Edit/Delete Message   Reply w/Quote
do it right the first time.. replace the floor pan assembly, to remove and install a new pan takes around 2.5 hours, first time doing the job figure around 4.0 hours. but then it is done and over with..

------------------
ponycar66,have you flown in a ford latley???????
66-COUPE W/351SVO
glad i had a v-8 !!!!!!
84.5 gt350-61 falcon 302
have a great day!!!!!!!!

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Fastback68
Gearhead

Posts: 1746
From: Sucat, Paranaque, Philippines
Registered: Jul 99

posted 07-06-2001 01:03 AM     Click Here to See the Profile for Fastback68   Click Here to Email Fastback68     Edit/Delete Message   Reply w/Quote
Just an observation on the timing of jobs. In the last three years, I've done a LOT of jobs on my Stang for the first time. For most of them, I reckon the time was tripled by things like not knowing what to do, not having the right tools, stuck-up bolts, etc., etc. I recall being told that changing the rear wheel bearing would take a couple of hours or so. Cumulatively over several days, it must have taken me at least 12 hours.
70grande, if you've never changed a floor pan before and you have no idea what you're doing and no one to help you, I'll be impressed if you can do it in four hours.
Good luck anyway!
P.S.: Remember to start the clock from the minute you slide the jack under the car No cheating!

[This message has been edited by Fastback68 (edited 07-06-2001).]

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70grande
Journeyman

Posts: 80
From: Renton, Washington
Registered: Mar 2001

posted 07-06-2001 07:10 PM     Click Here to See the Profile for 70grande   Click Here to Email 70grande     Edit/Delete Message   Reply w/Quote
thanks, think i will go ahead and do the replacement. i dont have to drive the car so time is not important. but have to agree that everything so far is about three times what i expect.

so much so that if buddy ask how long such and will take. he tells me im full of you know what, then hangs for the duration.

guess im the optimist

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1970 Grande 3.50 9",4 wheel disc, gt40-cobra rims(soon) 351W, Calypso Coral, Severe state of restomod

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