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01-21-2007, 08:15 PM
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#1 |
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Registered User
Join Date: Oct 2003
Location: San Jose Ca.
Posts: 3,354
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What size are motor mount bolts?
Title says it all. What size are the motor mount bolts for a small block?
__________________
RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234 |
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01-21-2007, 08:21 PM
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#2 |
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Account Suspended
Join Date: Mar 2003
Location: ** THE FALL GUY **CHICAGO IL
Posts: 5,883
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Re: What size are motor mount bolts?
3/8" with a 9/16 head hold the mount to the block...
7/16" with a 5/8 head is the single bolt that holds the engine to the frame. |
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01-21-2007, 08:44 PM
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#3 |
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Registered User
Join Date: Oct 2003
Location: San Jose Ca.
Posts: 3,354
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Re: What size are motor mount bolts?
Thanks Mark. Heading up to summit for some bolts.
__________________
RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234 |
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01-21-2007, 08:52 PM
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#4 |
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Registered User
Join Date: Oct 2003
Location: San Jose Ca.
Posts: 3,354
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Re: What size are motor mount bolts?
Forgot to ask how long are the bolts?
__________________
RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234 |
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01-21-2007, 09:09 PM
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#5 |
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Account Suspended
Join Date: Mar 2003
Location: ** THE FALL GUY **CHICAGO IL
Posts: 5,883
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Re: What size are motor mount bolts?
1" long
 lock washers too. grade 8 |
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01-21-2007, 10:14 PM
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#6 |
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Registered User
Join Date: Oct 2003
Location: San Jose Ca.
Posts: 3,354
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Re: What size are motor mount bolts?
Is that 1 inch for both? How long is the bolt that goes through the frame mount?
__________________
RIP to my son Dylan. 5/17/2002 - 8/18/2018 If you want to know more about rare forms of pediatric cancer or if you want to help fund pediatric cancer research, please check out the website for the non-profit I started. https://slothforpedcancer.org 68 build thread http://67-72chevytrucks.com/vboard/s...d.php?t=223234 |
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12-12-2012, 11:54 AM
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#7 | |
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Registered User
Join Date: Oct 2012
Location: Bertram, TX
Posts: 23
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Re: What size are motor mount bolts?
Quote:
Is that bolt the single bolt that holds the rubber/urethane mount to the pedestals on the frame? 1" long, 7/16" threads (shouldn't the thread pitch be written differently?), 5/8" head? |
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12-12-2012, 03:01 PM
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#8 |
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Senior Member
 
Join Date: Aug 2008
Location: Cedar Park, Texas
Posts: 7,500
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Re: What size are motor mount bolts?
I bought a set of SBC mount/ cushions on eBay a few years ago and on of the holes that is used to attach them to the frame stand was 3/8" thread and the other was 7/16"! Talk about frustrating! Of course the next day I had to go buy a 7/16" bolt since I didnt have a single 7/16 in my "magic bolt bucket"!
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11-07-2015, 10:22 PM
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#9 |
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Registered User
Join Date: Jan 2014
Location: winston-salem nc
Posts: 30
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Re: What size are motor mount bolts?
How long were the bolts for mount to frame?
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11-07-2015, 11:27 PM
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#10 | |
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The Older Generation
  
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,818
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Re: What size are motor mount bolts?
Quote:
Yes it is. The 5/8" would be the socket size.... LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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11-08-2015, 11:44 AM
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#11 | |
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The Older Generation
Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,818
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Re: What size are motor mount bolts?
Quote:
I stopped by a friends house yesterday and he was having trouble getting the bolt in one of his rubber mounts. After looking at it with a mirror I told him to try a 3/8" bolt in it... went right in. He just bought both mounts at the same time and one of them was 7/16" and one was 3/8". Go figure. LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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