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Old 04-05-2013, 07:33 PM   #1
Rufton
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1966 GMC 305 V6 Motor Mount

Driver's side mount completely separated.
Mounts not easy to source.
I have a 67 Mustang 200 I6 mount and it looks like a good match. I'll need to weld a 1/4" bar stock on it to obtain proper height and bolt spacing.
The ford mount only has one lower stud.
I won't have to drill GMC bracket because it has 3 holes.

Wonder what others use for mount?
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Old 04-05-2013, 09:32 PM   #2
Corts60
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Re: 1966 GMC 305 V6 Motor Mount

Yeah, you pretty much won't find a source for those V6 mounts. The only option for keeping it original is to send your mount to somewhere like Steele Rubber and have them re-vulcanize it for you.

But good call on that F*rd mount. Looks close enough for government work. Let us know how it turns out.
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Old 04-05-2013, 10:31 PM   #3
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Re: 1966 GMC 305 V6 Motor Mount

Quote:
Originally Posted by Corts60 View Post
Yeah, you pretty much won't find a source for those V6 mounts. The only option for keeping it original is to send your mount to somewhere like Steele Rubber and have them re-vulcanize it for you.

But good call on that F*rd mount. Looks close enough for government work. Let us know how it turns out.
Didn't mean to drop the F bomb

I plan to install one mount before drilling holes in welded on 1/4" flat bar.
Drop in engine. Bolt up finished mount.
Mark holes in other mount. Drill holes.
Hopefully that will assure mounts are under normal stress.
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Old 04-05-2013, 11:52 PM   #4
MusicMan70
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Re: 1966 GMC 305 V6 Motor Mount

Here's a couple of alternatives

Motor Mount for 1964-1966 GMC 305 and 351 V6 for
MANUAL TRANSMISSIONS
• NAPA Part Number: BK 6201045 Price: $6.49
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Old 04-05-2013, 11:59 PM   #5
MusicMan70
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Re: 1966 GMC 305 V6 Motor Mount

The other one; I've not tested this out but it does use the interlocking plate.
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Old 04-06-2013, 12:25 AM   #6
Rufton
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Re: 1966 GMC 305 V6 Motor Mount

Quote:
Originally Posted by MusicMan70 View Post
Here's a couple of alternatives

Motor Mount for 1964-1966 GMC 305 and 351 V6 for
MANUAL TRANSMISSIONS
• NAPA Part Number: BK 6201045 Price: $6.49

Does it actually fit unmodified?
4" bolt pattern, similar height and correct stud orientation?

Thanks!
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Old 04-06-2013, 12:51 AM   #7
MusicMan70
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Re: 1966 GMC 305 V6 Motor Mount

Rufton; Got that info from the 6066 GMC site. May be worth the time to take your old one down to NAPA and compare for that price.
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Old 04-06-2013, 10:53 AM   #8
62 Longbed
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Re: 1966 GMC 305 V6 Motor Mount

I'm not sure , but I was told that this number might still be good
from GM 2391949
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Old 04-06-2013, 11:14 AM   #9
MusicMan70
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Re: 1966 GMC 305 V6 Motor Mount

62Longbed, that number is correct but I don't think they are available. These are a lucky ebay purchase.

As Corts60 stated earlier, you'd have to send the old ones out to Steel Rubber to be rebuilt.
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Old 04-06-2013, 11:57 PM   #10
Rufton
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Re: 1966 GMC 305 V6 Motor Mount

Quote:
Originally Posted by MusicMan70 View Post
Rufton; Got that info from the 6066 GMC site. May be worth the time to take your old one down to NAPA and compare for that price.
I will definitely give those mounts a try.
I'll break out the welder only if they don't fit right.
Thanks again
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Old 04-22-2013, 04:48 PM   #11
Rufton
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Re: 1966 GMC 305 V6 Motor Mount

Quote:
Originally Posted by MusicMan70 View Post
Here's a couple of alternatives

Motor Mount for 1964-1966 GMC 305 and 351 V6 for
MANUAL TRANSMISSIONS
• NAPA Part Number: BK 6201045 Price: $6.49
Thanks. I crossed those to Anchor 2337 because Napa kinda far.
They fit perfect.
Be aware the threads are metric.
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Old 04-22-2013, 06:25 PM   #12
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Re: 1966 GMC 305 V6 Motor Mount

Rufton, Thanks for posting the follow-up verification, Part number crossover and photos as well. That mounts looks pretty solid!
The original GMC mounts I posted are a very hard rubber, those must be as well. The price is nice.
Your V-6 looks great and you have the Spin-on filter as well.
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