Holley motor mount issue

MY6.2SS

Apprentice
Nov 26, 2020
99
18
I have the complete Holley kit. I am having some motor mount issues. I have noticed that all the mounts I see for the G bodies have countersunk bolt holes, mine are not. Anyone have mounts like these or these the wrong ones? the motor is touching the A/C box as well. Thanks for your help, David
 

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oldsmobile joe

Royal Smart Person
Nov 12, 2015
1,857
113
mpls
mine are counter sunk holes. but i'll be running the cast shorty headers from holley.
 
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E84MC

Apprentice
Jan 10, 2019
51
18
Mines are also like yours. I was wondering the same thing as you about the countersunk ones but on website it shows the ones we got so idk and haven’t put motor in yet.
 
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Texas82GP

Just-a-worm
Supporting Member
Apr 3, 2015
7,206
113
Spring, Texas
I will have some shortly.
I wouldn't be shy about calling Holley tech support. For those prices, it should fall in there and fit flawlessly. L92 OLDS used the Holley system.
 
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84delta

Not-quite-so-new-guy
Dec 12, 2021
10
3
I have the complete Holley kit. I am having some motor mount issues. I have noticed that all the mounts I see for the G bodies have countersunk bolt holes, mine are not. Anyone have mounts like these or these the wrong ones? the motor is touching the A/C box as well. Thanks for your help, David
I know this is an old thread but incase you decided to just live with the set back motor I had the same issue and figured it out. I was sent c10 mounts and the look identical until you put them side by side, they were slightly taller. Installed the correct mounts holley sent me and it dropped my motor about 3/4 of an inch and moved it about 1 inch closer to the front.
 
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64nailhead

Goat Herder
Supporting Member
Dec 1, 2014
3,799
113
Upstate NY
I know this is an old thread but incase you decided to just live with the set back motor I had the same issue and figured it out. I was sent c10 mounts and the look identical until you put them side by side, they were slightly taller. Installed the correct mounts holley sent me and it dropped my motor about 3/4 of an inch and moved it about 1 inch closer to the front.
Curious if that was a packaging issue that more than a one off situation?
 
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MY6.2SS

Apprentice
Thread starter
Nov 26, 2020
99
18
I know this is an old thread but incase you decided to just live with the set back motor I had the same issue and figured it out. I was sent c10 mounts and the look identical until you put them side by side, they were slightly taller. Installed the correct mounts holley sent me and it dropped my motor about 3/4 of an inch and moved it about 1 inch closer to the front.
Would you happen to have any pics of the correct mounts? Something I can compare to the ones I have? Thanks, David
 

Tony1968

Royal Smart Person
Jul 1, 2018
1,499
113
NW Indiana
Here's mine. Not countersunk. Zoom in. Hope this helps
 

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