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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Dec 2000 Posts: 3,399 Gas Pumper | | Gas Pumper Joined: Dec 2000 Posts: 3,399 | I think everyone who has done their research agrees that fine thread is stronger than coarse thread in general. For anything that is mechanical on the truck I make sure to use fine thread and grade 5. Don't forget that your local hardware store may sell grade 5 fine thread bolts, but generally do NOT sell grade 5 nuts. This makes your strength grade 2 in combination. Not good. I purchase nuts from McMaster-Carr (fine thread in just a few sizes) so I have what I need for the local purchase bolts.
These days I use stainless on my projects so have to be really careful to get hardened stainless equiv to grade 5 or grade 8 in certain places on the truck. | | |
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