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Old 09-04-2011, 08:42 PM   #1
66-PMD-GMC
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1963-1966 GMC Frame Schematic

I am looking for a 63-66 GMC frame schematic.
I have found several posts on the site with 60-62 frame schematics and 63-66 suburban schematics but no 63-66 GMC frame schematic.
The GMC has a leaf rear suspension and what I am doing is swapping a 71 GMC leaf frame into my 66. I need some critical dimensions to compare the frames so if anyone has a blueprint/schematic, how about hooking a brother up??
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Building Genuine Pontiac Firepowered cars and trucks for several decades.

Why Pontiac?? That's just me daring to be different.

63 GMC Short Wheel Base fleetside (The Pro-Street)
440CID 2X4 fed 600+ HP Pontiac


Soon to be the fastest Non-Chevy Powered Super truck in the South West U.S. and Maybe even the world... Buhhhwwaaahahahaha... LOL
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Old 09-05-2011, 01:36 AM   #2
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Re: 1963-1966 GMC Frame Schematic

Here you go: http://67-72chevytrucks.com/vboard/s...92&postcount=8

Oops! That's not the right one.

I guess I could measure mine when I swap the rear end later this month.
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Old 09-05-2011, 09:59 AM   #3
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Re: 1963-1966 GMC Frame Schematic

I have a 65 swb gmc bare frame on spring suspension sitting in my yard, call me with the dimensions that you need and I will check them for you. Kieth 918-446-2245
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Old 09-05-2011, 10:44 AM   #4
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Re: 1963-1966 GMC Frame Schematic

Quote:
Originally Posted by NorthstarGMC View Post
Here you go: http://67-72chevytrucks.com/vboard/s...92&postcount=8

Oops! That's not the right one.

I guess I could measure mine when I swap the rear end later this month.
No, your right, that is not the right one but thanks for the attempt.
In fact, the 63-66 frame schematic that 1bad62pro/street was nice enough to post in other threads is actually a generic, suburban focused, 4X4 plan with a small portion of truck related dimensions included. I do appreciate his willingness to share however but that one doesn't help either.

Quote:
Originally Posted by kieth View Post
I have a 65 swb gmc bare frame on spring suspension sitting in my yard, call me with the dimensions that you need and I will check them for you. Kieth 918-446-2245
The dimensions I need are the location of the 2 core support brackets that the core support mounts to. With that information I can back track for the dimensions/location for the core support cross member and the nose of the frame horns. I cut the original frame horns off in the middle of the steering box/idler support bracket so I have a little bit more than a foot to work with.
Actually, I am thinking about shortening up the nose of the frame horns slightly so I can "pull in" the bumper so it sticks out less. It would have a "tighter" look IMO.
The last dimension I need is the depth from top of frame to the mounting face for the front cab mount brackets. I thought I noted that dimension but don't see it on my plans I am drawing.
My hope is to have a full set of plans by the end of this project that will show exactly how to convert a 67-72 frame to use under a 63-66 cab.
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Chris from lovely Downtown Apache Junction AZ.

Building Genuine Pontiac Firepowered cars and trucks for several decades.

Why Pontiac?? That's just me daring to be different.

63 GMC Short Wheel Base fleetside (The Pro-Street)
440CID 2X4 fed 600+ HP Pontiac


Soon to be the fastest Non-Chevy Powered Super truck in the South West U.S. and Maybe even the world... Buhhhwwaaahahahaha... LOL
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Old 09-07-2011, 11:59 PM   #5
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Re: 1963-1966 GMC Frame Schematic

Do any of these help:


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Old 09-08-2011, 12:01 AM   #6
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Re: 1963-1966 GMC Frame Schematic

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I lost my 65 - Found it 25 years later:
http://67-72chevytrucks.com/vboard/s...d.php?t=426650

66 Service truck build:
http://67-72chevytrucks.com/vboard/s...d.php?t=428035
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Old 09-08-2011, 12:39 AM   #7
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Re: 1963-1966 GMC Frame Schematic

awsome tech drawing , on velum(?) too . nice work
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Old 09-08-2011, 07:01 PM   #8
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Re: 1963-1966 GMC Frame Schematic

Quote:
Originally Posted by LostMy65 View Post
Do any of these help:
Actually, the first set posted are for a 4X4 suburban. The frame shape and cab mount brackets are wrong for 1/2 and 3/4 ton GMC trucks 63-66.
The second post had the right cab mount locations but it is a coil rear and no dimensions forward of the front wheel centerline.
Those are the critical dimensions, both side and top view, that I need.
I have several trucks now and 1 apart so I can get dimensions now.
I am generating a plan on auto-cad and it will include all dimensions for 1/2 and 3/4 ton GMC trucks and also short and long wheel base.
I am also generating a plan to convert a 67-72 frame to use under a 63-66 GM. Same goes for that plan, both long and short wheel base applications.
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Chris from lovely Downtown Apache Junction AZ.

Building Genuine Pontiac Firepowered cars and trucks for several decades.

Why Pontiac?? That's just me daring to be different.

63 GMC Short Wheel Base fleetside (The Pro-Street)
440CID 2X4 fed 600+ HP Pontiac


Soon to be the fastest Non-Chevy Powered Super truck in the South West U.S. and Maybe even the world... Buhhhwwaaahahahaha... LOL
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Old 09-08-2011, 07:08 PM   #9
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Re: 1963-1966 GMC Frame Schematic

Quote:
Originally Posted by 66-PMD-GMC View Post
Actually, the first set posted are for a 4X4 suburban. The frame shape and cab mount brackets are wrong for 1/2 and 3/4 ton GMC trucks 63-66.
The second post had the right cab mount locations but it is a coil rear and no dimensions forward of the front wheel centerline.
Those are the critical dimensions, both side and top view, that I need.
I have several trucks now and 1 apart so I can get dimensions now.
I am generating a plan on auto-cad and it will include all dimensions for 1/2 and 3/4 ton GMC trucks and also short and long wheel base.
I am also generating a plan to convert a 67-72 frame to use under a 63-66 GM. Same goes for that plan, both long and short wheel base applications.
Let me know if there is anything I can do to help.
I use AutoCad.
Posted via Mobile Device
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I lost my 65 - Found it 25 years later:
http://67-72chevytrucks.com/vboard/s...d.php?t=426650

66 Service truck build:
http://67-72chevytrucks.com/vboard/s...d.php?t=428035
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Old 09-08-2011, 07:31 PM   #10
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Re: 1963-1966 GMC Frame Schematic

Quote:
Originally Posted by 66-PMD-GMC View Post
Actually, the first set posted are for a 4X4 suburban. The frame shape and cab mount brackets are wrong for 1/2 and 3/4 ton GMC trucks 63-66.
The second post had the right cab mount locations but it is a coil rear and no dimensions forward of the front wheel centerline.
Those are the critical dimensions, both side and top view, that I need.
I have several trucks now and 1 apart so I can get dimensions now.
I am generating a plan on auto-cad and it will include all dimensions for 1/2 and 3/4 ton GMC trucks and also short and long wheel base.
I am also generating a plan to convert a 67-72 frame to use under a 63-66 GM. Same goes for that plan, both long and short wheel base applications.
it is for a 60-62 4 x 4
ron
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Old 09-09-2011, 10:02 AM   #11
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Re: 1963-1966 GMC Frame Schematic

Quote:
Originally Posted by LostMy65 View Post
do you have the cad file for this? can i get a copy of it.
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Old 09-09-2011, 10:15 AM   #12
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Re: 1963-1966 GMC Frame Schematic

^ I wish I had the Cad file.
I found these drawings here in the forums.
The only Cad file I have is of the wiring for a 67-72. I started modding it for the 64-66 but got busy with other things.
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I lost my 65 - Found it 25 years later:
http://67-72chevytrucks.com/vboard/s...d.php?t=426650

66 Service truck build:
http://67-72chevytrucks.com/vboard/s...d.php?t=428035
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Old 09-09-2011, 10:17 AM   #13
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Re: 1963-1966 GMC Frame Schematic

http://67-72chevytrucks.com/vboard/s...d.php?t=445453
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http://67-72chevytrucks.com/vboard/s...d.php?t=426650

66 Service truck build:
http://67-72chevytrucks.com/vboard/s...d.php?t=428035
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Old 09-09-2011, 01:59 PM   #14
aerotruk63
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Re: 1963-1966 GMC Frame Schematic

The frame drawings are from the 1963 Chevrolet Manual for companies who wanted to convert Chevrolet trucks from C10 on up. There's not alot of drawings in the manual for the smaller trucks compared to the larger.
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