Casting number 1253741 rear end housing is 76 Monte Carlo thats what is in mine
James bonds codename
gm 14 bolt rear end housing
GM 12 Bolt
the 8.2 is the weaker of the 2 as the axles are smaller, the 8.5 is a super strong rear end, almost as strong as the 12 bolt.
1956
I have one in my 92 Camaro if that helps you
The GM rear end part number 3817769 N refers to a specific differential housing used in certain General Motors vehicles, particularly in models from the late 1960s to early 1970s. This part number typically indicates a 10-bolt rear end, commonly found in various GM cars such as the Chevrolet Camaro and Nova. It is important for identifying the correct differential assembly for repairs or restorations in classic GM vehicles.
The GM rear end number 3707306 refers to a specific model of a rear differential used in General Motors vehicles, particularly in the 1970s. This part number typically indicates a 12-bolt rear end, which is known for its durability and performance in muscle cars and trucks. It is often sought after for restoration projects and performance upgrades due to its strength and reliability.
They are both GM products why would you?
ccc 02311
The 12 bolt is GM's strongest rear end and the 8.5" 10 bolt is also a great rear end that will hold up fine.
Not without some serious modification. Use a rear end out of a '64-'67 GM A body instead. They are stronger and will bolt right in.