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#1 |
Registered User
Join Date: Apr 2013
Location: Knoxville TN
Posts: 1,170
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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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#2 |
Just here to tinker
![]() Join Date: Jun 2008
Location: Holland, MI
Posts: 3,689
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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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#3 | |
Registered User
Join Date: Apr 2013
Location: Knoxville TN
Posts: 1,170
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Re: 1966 GMC 305 V6 Motor Mount
Quote:
![]() 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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#4 |
Senior Member
![]() Join Date: Feb 2011
Location: Corona, CA
Posts: 1,831
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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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MusicMan70 1961 GMC Suburban |
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#5 |
Senior Member
![]() Join Date: Feb 2011
Location: Corona, CA
Posts: 1,831
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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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MusicMan70 1961 GMC Suburban |
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#6 |
Registered User
Join Date: Apr 2013
Location: Knoxville TN
Posts: 1,170
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Re: 1966 GMC 305 V6 Motor Mount
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#7 |
Senior Member
![]() Join Date: Feb 2011
Location: Corona, CA
Posts: 1,831
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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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MusicMan70 1961 GMC Suburban |
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#8 |
Senior Member
![]() Join Date: Nov 2008
Location: Gresham , Oregon
Posts: 588
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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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#9 |
Senior Member
![]() Join Date: Feb 2011
Location: Corona, CA
Posts: 1,831
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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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MusicMan70 1961 GMC Suburban |
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#10 |
Registered User
Join Date: Apr 2013
Location: Knoxville TN
Posts: 1,170
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Re: 1966 GMC 305 V6 Motor Mount
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#11 | |
Registered User
Join Date: Apr 2013
Location: Knoxville TN
Posts: 1,170
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Re: 1966 GMC 305 V6 Motor Mount
Quote:
They fit perfect. Be aware the threads are metric. |
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#12 |
Senior Member
![]() Join Date: Feb 2011
Location: Corona, CA
Posts: 1,831
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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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MusicMan70 1961 GMC Suburban |
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