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Old 04-03-2010, 11:46 PM   #1
72chevyrick
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66 swb frame

can any one tell what the diff is between a 66 gmc fraME and 66 chevy frame.short frame?I know about the coils vs springs,anything els?
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Old 04-03-2010, 11:49 PM   #2
protrash64
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Re: 66 swb frame

Shouldnt be anything I can think of except what you mentioned....maybe the emergency brake configuration due to the coil/leaf difference???
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Old 04-03-2010, 11:57 PM   #3
72chevyrick
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Re: 66 swb frame

I was told the suburban frame and the short bed frame are the same.Is that true?Im turning my 3/4 into a short bed.just got a bed,now looking for a frame.dont want to cut down the 3/4 frame.

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Old 04-04-2010, 12:14 AM   #4
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Re: 66 swb frame

The Suburban frames are the same 115" wheelbase, but the body mounts are different from the rear cab mounts back. The rear frame ends are designed for mounting a bumper similar to the front, whereas a pickup rear frame ends are just cut square.
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Last edited by Captainfab; 04-04-2010 at 12:15 AM.
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Old 04-04-2010, 12:36 AM   #5
72chevyrick
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Re: 66 swb frame

so the cab mounts and the bed mounts are going to have to be changed?what about the radiator mounts?the only reason im asking is a guy down the way has a gmc frame for 2 bills.and i want to say thanks for the pics you sent me shorting the frame.
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Old 04-04-2010, 01:07 AM   #6
Captainfab
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Re: 66 swb frame

The radiator mounts on the Suburban frames are a little different than the pickups. The Suburban mounts on the frame have a piece of rubber bonded in the center of them. Much like the C20 and up rear cab mounts. So this GMC frame is a Suburban frame? No problem on the pics.
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Old 04-04-2010, 01:20 AM   #7
72chevyrick
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Re: 66 swb frame

he said it was a 66 gmc suburban frame.
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Old 04-04-2010, 01:34 AM   #8
Captainfab
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Re: 66 swb frame

That should work as long as it is a 1/2 ton 115 inch wheelbase. I forgot to mention before that there were 3/4 ton and 1 ton Suburbans and panels built that were a longer wheelbase

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he said it was a 66 gmc suburban frame.
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Old 04-04-2010, 12:14 PM   #9
72chevyrick
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Re: 66 swb frame

thanks for the info
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