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Old 04-11-2011, 09:22 PM   #1
71swb4x4
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Are these doors OEM?

These doors are on my 75. Can anyone tell me if they are OEM? They are really nice, but the rest of the truck is a little more rough so I am wondering if they have been changed.

My plan is to sell the doors, and I don't want to advertise them as OEM if they are aftermarket. On the same hand I don't want to sell cherry OEM doors at used aftermarket door prices. This thread is not a for sale thread, just throwing that out there so you know why I am asking.
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Old 04-11-2011, 09:38 PM   #2
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Re: Are these doors OEM?

The only way to tell is to grab the handle with the door shut and push/pull it back and forth. Do it to a truck you KNOW has aftermarket doors and you will know the difference. You can "feel" it. The whole door skin will "flex" quite a bit. After you've felt the difference, it's something you never forget while grabbing the handle of a square.
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Old 04-11-2011, 10:30 PM   #3
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Re: Are these doors OEM?

Hey, I know people in Watertown!! Funny. How heavy do the doors feel? Aftermarket doors are lighter. Stamp and look seem original.
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Old 04-11-2011, 10:56 PM   #4
THE "10" SILVERADO
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Re: Are these doors OEM?

Quote:
Originally Posted by babyJay View Post
The only way to tell is to grab the handle with the door shut and push/pull it back and forth. Do it to a truck you KNOW has aftermarket doors and you will know the difference. You can "feel" it. The whole door skin will "flex" quite a bit. After you've felt the difference, it's something you never forget while grabbing the handle of a square.
I think you just answered my problem with my drivers door...when I pull the door open you can see the sheet metal to the left of the handle move away from the glass and then bend back when you stop...didn't think that should be happening....
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Old 04-11-2011, 11:13 PM   #5
bigblock73
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Re: Are these doors OEM?

I didn't think 73-76 doors were reproduced, so I am thinking they are GM doors.
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Old 04-11-2011, 11:16 PM   #6
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Re: Are these doors OEM?

Those 5 indentations at the perimeter of where the door panel sit seem odd now that I think about it. Look at the 76 burb being parted out in the parts forum, your doors look different than his.
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Old 04-12-2011, 12:20 AM   #7
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Re: Are these doors OEM?

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Those 5 indentations at the perimeter of where the door panel sit seem odd now that I think about it. Look at the 76 burb being parted out in the parts forum, your doors look different than his.
That is exactly what I was thinking my 76 doesn't have that either and I know my doors are factory originals
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1979 Chevrolet K5 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434096
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Old 04-12-2011, 12:35 AM   #8
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Re: Are these doors OEM?

I did not think the 73-76 doors wer reproduced either but maybe so. The drain holes on the bottom of the doors are larger than any I remember seeing also . I wonder if those doors came off of a big truck ? Like a C50( I do not know if that is the right designation). Anyone have a pic of the large truck series doors?
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Old 04-12-2011, 01:15 AM   #9
bmchevy1979
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Re: Are these doors OEM?

This is the best pic I have of a 75 c60 and it doesn't have the indents
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<Brandon>
1974 Chevrolet K5 Blazer 350sbc/SM465/NP205, dana44 front, corp 14bolt rear with 4.10s and a powertrax locker, custom rear bumper 400sbc in the works.
1981 GMC C1500 stepside 250i6, 3spd, 12bolt with 3.08s 2.5/4drop on 15x10 with 275/50r15
81 GMC C3500 cab-chassis dually with utility bed 350sbc, Sm465, 14bolt with 4.10s nv4500 getting ready to go in
1979 Chevrolet K5 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434096
1976 Chevrolet C10 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434195
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Old 04-12-2011, 07:45 PM   #10
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Re: Are these doors OEM?

Quote:
Originally Posted by babyJay View Post
The only way to tell is to grab the handle with the door shut and push/pull it back and forth. Do it to a truck you KNOW has aftermarket doors and you will know the difference. You can "feel" it. The whole door skin will "flex" quite a bit. After you've felt the difference, it's something you never forget while grabbing the handle of a square.
Hrm. All 3 squares at my shop right now, you push in on the drivers door handle and the skin will flex and go "poop". All 3 have the GM sticker in the door with the trucks VIN and production date etc, thus I know they are the original GM doors on the trucks. Actually, every square I've ever owned had the same trait to it, sometimes it matters if the window is up or down, but they all do it.
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Old 04-13-2011, 07:19 AM   #11
babyJay
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Re: Are these doors OEM?

Quote:
Originally Posted by RandyP View Post
Hrm. All 3 squares at my shop right now, you push in on the drivers door handle and the skin will flex and go "poop". All 3 have the GM sticker in the door with the trucks VIN and production date etc, thus I know they are the original GM doors on the trucks. Actually, every square I've ever owned had the same trait to it, sometimes it matters if the window is up or down, but they all do it.
Yeah they all do it, but aftermarket do it way easier / softer.
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Old 04-13-2011, 09:39 AM   #12
RandyP
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Re: Are these doors OEM?

I've honestly never felt an A/M door, but if it is worse than the OE's, damn.

I always wanted to get back there and put in a reinforcement plate of some sort, just to stiffen it up. I guess I would if I put on an A/M shell.
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Old 04-13-2011, 11:27 AM   #13
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Re: Are these doors OEM?

just a quick note: '73-'76 doors are reproduced
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Old 04-13-2011, 08:41 PM   #14
bmchevy1979
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Re: Are these doors OEM?

I though so just looked and looks like they all carry them at least the places that carry body panels
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1974 Chevrolet K5 Blazer 350sbc/SM465/NP205, dana44 front, corp 14bolt rear with 4.10s and a powertrax locker, custom rear bumper 400sbc in the works.
1981 GMC C1500 stepside 250i6, 3spd, 12bolt with 3.08s 2.5/4drop on 15x10 with 275/50r15
81 GMC C3500 cab-chassis dually with utility bed 350sbc, Sm465, 14bolt with 4.10s nv4500 getting ready to go in
1979 Chevrolet K5 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434096
1976 Chevrolet C10 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434195
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