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Mod | | | Forums66 Topics128,049 Posts1,055,699 Members48,426 | | 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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Aug 2017 Posts: 76 'Bolter | | 'Bolter Joined: Aug 2017 Posts: 76 | Keep seeing people talk about having 8 bolt or 10 bolt axels.Whats the difference with them? | | | | | Joined: Dec 2015 Posts: 2,063 Big Bolt Forum Moderator | | Big Bolt Forum Moderator Joined: Dec 2015 Posts: 2,063 | a 10-bolt or 12-bolt rear end normally refer to the # of bolts on the ring gear. (corporate 10-bolt, 12-bolt, or 14-bolt rear end.)
It can also refer to the # of lug nuts. 8 bolt is normally a 3/4 ton. 10 bolt would be the 1 1/2 or 2-ton. (I believe 1956, Chevrolet went to the 6-bolt "BUDD" pattern on the 2-ton axles. | | | | | Joined: Aug 2017 Posts: 76 'Bolter | | 'Bolter Joined: Aug 2017 Posts: 76 | Does the number of bolts make any difference to what ratio is in the rear. | | | | | Joined: Jan 2016 Posts: 631 'Bolter | | 'Bolter Joined: Jan 2016 Posts: 631 |
Last edited by showkey; 12/23/2017 1:57 PM.
| | | | | Joined: Dec 2014 Posts: 357 'Bolter | | 'Bolter Joined: Dec 2014 Posts: 357 | On a "8 bolt" axle reference. They are not talking about axles from our Trucks. For instance my truck has an 8 bolt cover(and 8 lugs) but it's
referred to as the name of the axle a Eaton Axle.
To Help you Better. I'd be nice to know which truck you're working on.
Julian Carter
1970 Triumph GT6
1967 Triumph TR4A
1952 Chevy 3600
1948 MG-TC
| | | | | Joined: Dec 2015 Posts: 2,063 Big Bolt Forum Moderator | | Big Bolt Forum Moderator Joined: Dec 2015 Posts: 2,063 | Does the number of bolts make any difference to what ratio is in the rear. no, usually there are multiple ratios for each type of axle except on some of the bigger ones, especially the 2-speed like on my t-ton, there was not a lot of options (if any). | | |
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