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Old 10-08-2010, 11:39 PM   #1
DBear
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core support mounting bushings?

Can you use the core support bushings and mounting hardware from a 69-72 Chevy on a 68 Chevy/GMC? the parts books show there are two different sets. Just wondered if they would interchange.
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Old 10-08-2010, 11:42 PM   #2
mexgrhd68
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Re: core support mounting bushings?

Quote:
Originally Posted by DBear View Post
Can you use the core support bushings and mounting hardware from a 69-72 Chevy on a 68 Chevy/GMC? the parts books show there are two different sets. Just wondered if they would interchange.
nope, the 68 still uses the ones from earlier trucks, like the 65 on thru 68, i believe.
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Old 10-09-2010, 05:32 AM   #3
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Re: core support mounting bushings?

I meant to add that My Suburban is a '71, but using a '68 GMC core support and grille,etc.. With this said now, what mounting kit do I use?
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Old 10-11-2010, 06:23 PM   #4
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Re: core support mounting bushings?

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I meant to add that My Suburban is a '71, but using a '68 GMC core support and grille,etc.. With this said now, what mounting kit do I use?
You may(will) have to cut the 69-72 mounts down, I have a '68 on my '72 Jimmy and the demension of the mount to get the doors to line up with the front fenders is 3/4", non compressed.

If you can squeeze(torque) the factory mount down to 3/4" you should be good to go, hav'nt tried that yet
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Old 10-09-2010, 10:26 AM   #5
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Re: core support mounting bushings?

ttt
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Old 10-09-2010, 10:55 AM   #6
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Re: core support mounting bushings?

What did it use for bushings? Did you tear it down? Do you have the old bushings?
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Old 10-09-2010, 08:15 PM   #7
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Re: core support mounting bushings?

it had the 69-72 bushings and hardware on it, but they were in bad shape. I am going with a dual headlight core support from a 68 GMC.
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Old 10-09-2010, 09:27 PM   #8
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Re: core support mounting bushings?

If it is going on your 71 frame use the 69-72 bushings
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Old 10-09-2010, 09:40 PM   #9
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Re: core support mounting bushings?

i would use the one's made for that frame, as i have a 71 truck on a 67 frame and i used the 71 mounts and my body lines were off so i went with the thiner 67 mounts and ok
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Old 10-11-2010, 03:27 PM   #10
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Re: core support mounting bushings?

So, what you guys are saying is......it isn't really the core support that makes it different, it is actually the frame itself. I didn't know the frame was different on the 67/68 vs. the 69-72's. your saying use the the 69-72 bushings since the frame is a '71.???
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Old 10-11-2010, 03:58 PM   #11
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Re: core support mounting bushings?

You are correct. The holes are sized different on the frame brackets. The supports themselves are the same.

Last edited by john; 10-11-2010 at 03:59 PM.
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Old 10-11-2010, 04:34 PM   #12
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Re: core support mounting bushings?

difference between 67-68 mounts and 69-72.
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Old 10-11-2010, 08:44 PM   #13
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Re: core support mounting bushings?

This is very timely. i have a 69 nose on a 67 frame & need bushings. THANKS
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Last edited by scrapmetalart; 10-11-2010 at 11:26 PM.
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