What is the difference between a 10-bolt and 12-bolt rear end?
What is the difference between a 10-bolt and 12-bolt rear end?
First, the 10-bolt’s pinion shaft diameter is 1.438 (25 splines) while the 12-bolt is 1.625 (30 splines) which makes the 12-bolt 13 percent larger in diameter and therefore stronger. The 8.2 uses a 28-spline axle (1.20 inches in diameter) while the 12-bolt uses a 30-spline axle (1.625 inches in diameter).
When did the Chevy 10 and 12 bolt come out?
History and Identification of Chevy 10 and 12 Bolt Chevy Differentials Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, muscle cars, and trucks for decades. The rugged, reliable, and efficient Chevy 12-bolt has established itself as the preeminent rear differential for GM muscle cars since its debut in 1965.
How big is the rear axle on a Chevy 10 bolt?
The smaller 7.5- and 8.2-inch 10-bolt rear axles can’t transmit horsepower loads in excess of 400 hp. However, the 8.5- and 8.6-inch 10-bolts are extremely stout and effective rear differentials that can transmit up to 1,000 hp to the rear wheels. This Tech Tip is From the Full Book, CHEVY DIFFERENTIALS: HOW TO REBUILD THE 10- AND 12-BOLT.
What happens to the cover on a 10 bolt Chevy?
The outer cover matches; 10 bolts hold the cover onto the housing. This ring-and-pinion gear has suffered catastrophic failure. Be sure the mesh is correct and that the installed parts are correct so you don’t destroy components.
What are the rear axle codes for a Nova?
Ratio Ring Gear Size 250 L6: 3-speed: 2.73: 7.50″ TH350 : 2.73: 7.50″ 305 V8: 4-speed: 3.08: 8.50″ TH350 : 2.41: 8.50″ 350 V8: TH350 : 2.41: 8.50″
How big is the rear end of a Chevy Nova?
Complete, ready to bolt-in Currie ® 9-inch rearend for 1962 thru 1972 Nova, Chevy II, Apollo, Omega and Ventura X-body vehicles. Select from a broad range of available options and upgrades to configure the perfect rearend for your build.
History and Identification of Chevy 10 and 12 Bolt Chevy Differentials Chevy 10- and 12-bolt axle assemblies have been standard equipment on GM passenger cars, muscle cars, and trucks for decades. The rugged, reliable, and efficient Chevy 12-bolt has established itself as the preeminent rear differential for GM muscle cars since its debut in 1965.
What kind of axle does a 12 bolt Chevy have?
This is the Moser Engineering 12-bolt axle assembly. As you can see, the Chevy 12-bolt differential is one stout axle, and it was the rear axle of choice for GM muscle cars and many GM competition cars.
Ratio Ring Gear Size 250 L6: 3-speed: 2.73: 7.50″ TH350 : 2.73: 7.50″ 305 V8: 4-speed: 3.08: 8.50″ TH350 : 2.41: 8.50″ 350 V8: TH350 : 2.41: 8.50″
