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Mod | | | Forums66 Topics128,131 Posts1,056,727 Members48,454 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#20511 11/22/2002 5:15 PM | Joined: Jun 2001 Posts: 169 'Bolter | | 'Bolter Joined: Jun 2001 Posts: 169 | Well not really. I don't believe that these are made anywhere. I've called distributors all over the US and can't find a lead anywhere. So I found some grade 5 bolts and made my own. The pics will show what was done. I can't really tell what grade the originals were but had to be grade 5 or 8. Since all of the Repo Truck places carry the replacement motor mounts it's strange that someone hasn't come up with a repo. Mine were to the point that they wouldn't hold in the square hole. [img] http://www.whcinc.com/images/MMBoltHD.JPG[/img] [img] http://www.whcinc.com/images/MMBolt.JPG[/img] | | |
#20512 11/22/2002 5:25 PM | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | Paul, what bolt did you start with, 7/16 or 1/2? One thing that I was thinking about was if you used 1/2, the square hole would need to be a little larger, which should work in our worn holes.
Fred 52 3600 69 C-10
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#20513 11/22/2002 9:00 PM | Joined: Jun 2001 Posts: 169 'Bolter | | 'Bolter Joined: Jun 2001 Posts: 169 | I used 7/16" just like the originals - don't have a lathe to turn down the body. As you can see from the picture my originals were badly worn around the square shoulder. Surprisingly the square hole in my mount is pretty good. Combine that with the new bolt and it is completely solid. You may want to try a NEW 7/16", it may give you what you need to tighten it up. 1/2" wouldn't fit the sleeve down thru the rest of the mount.
Of course the biggest pickle of this whole thing is the fact that you have to take EVERYTHING apart to get the durn bolts in or out.
Don't be tempted to use grade 2 carriage bolts from the hardware store - too soft. Get at least the grade 5.
PRW | | |
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