Common questions

How big is the rear axle on a Chevy 10 bolt?

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.

How big is the pinion shaft on a Chevy 8.5?

The distance between the lower center cover bolt and its adjacent bolts is 3 1/4 inches. Inside, the ring gear bolts are the same as the 8.5 corporate unit. However, the pinion shaft measures 1.438 inches. The axles are retained by a set of C-clips on the inner end of the axle shaft inside the carrier.

When did Chevy start making front drive axles?

AXLE IDENTIFICATION Chevrolet began the manufacture of their own design Front Drive Axles for use on 1/ 2and 3/ 4ton (K10 & K20) Four Wheel Drive vehicles. These axles have been used optionally in production with Dana design axles from 1977 thru 1980.

When did GMC start using 14 bolt axles?

For decades, Chevy and GMC trucks, vans, and SUVs came equipped with a 14 bolt axle. Between 1973 and 2000, a few 14 bolt axle variations were produced.

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 kind of rear axle does a Chevy pick up have?

Not all vehicles are set up the same, even though they may be the same make and model. A Chevy 1/2 ton pick-up may have a Chevy 10 bolt rear axle or a 12 bolt rear axle. Both of these are semi-floating axles. A Chevy 3/4 ton pick-up may have a 14 bolt semi-float rear axle or a 14 bolt full-floating axle.

For decades, Chevy and GMC trucks, vans, and SUVs came equipped with a 14 bolt axle. Between 1973 and 2000, a few 14 bolt axle variations were produced.

The distance between the lower center cover bolt and its adjacent bolts is 3 1/4 inches. Inside, the ring gear bolts are the same as the 8.5 corporate unit. However, the pinion shaft measures 1.438 inches. The axles are retained by a set of C-clips on the inner end of the axle shaft inside the carrier.

What kind of Yoke does a Chevy Dana use?

The Dana 44 uses a standard Chevy 1310 yoke, but the Dana 60 uses a heavy duty yoke, which takes a larger 1350 series ujoint. A similar Dana 40 rear end was available as an option in 59 Chevy trucks, equipped with positraction…rare, and with a 3.92 ratio.

How big is the rear end of a Chevy truck?

Here’s another one from Jim on the subject—- There are lots of rear ends available! Some fit better than others. For 6 lug rear ends, the 64-69 1/2 ton 2wd Chevy (and some GMC) trucks have a 12 bolt rear, about 60-61″ wide (I measure them where the wheels bolt on).

What kind of rear end does a Chevy Camaro have?

The 70 2wd and 70-81 4wd have a 6 lug 12 bolt that is a couple inches wider, but will fit under a Task Force truck as long as you don’t get too wild with wheel/tire width. The 12 bolt truck rearends from the 60s usually had 3.70 gears, which is a bit much for extended highway driving at 75 mph.

What kind of differential does a 12 bolt Chevy have?

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. Big-block Chevelles, Camaros, and other GM high-performance vehicles were fitted with the 12-bolt limited-slip axle to maximize torque transfer and traction. (Photo Courtesy Moser Engineering)

What are the differential set up specifications for a Dana?

Differential Set-Up Specifications DANA 28 10-13 5-6 55 50 DANA 30 12-15 6-8 55 60 DANA 30 JK 12-15 6-8 80 60 DANA 30 JL 15-20 8-12 70 70

How to build a 12 bolt rear end package?

1982-02 GM F-Body Sway Bar Mounts (30″ on center) (Add $60.00) 1964-72 GM A-Body Adjustable Lower Control Arm Mounts (Add $35.00) Complete 12 Bolt Built to Order Rear End Packages.

How many horsepower does a 10 bolt Chevy have?

But there are several models in the 10-bolt line-up. 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.

Where are the casting numbers on a Chevy 10 bolt?

The casting numbers for 10-bolt rear differentials are typically located either on the forward side of the passenger-side axle tube or on the driver’s side. These numbers are approximately 3 inches from the center section. The two examples at right show you how to decode 10-bolt housings. 1970 axle code: COZ 01 01 G E

What’s the gear ratio on a 10 bolt Chevy?

The X and F-body spring perches come in two versions: mono-leaf (left) which is shallower than the multi-leaf (right). The 8.5-inch 10-bolt rearend is hugely popular because aftermarket carriers and gears are easily interchangeable. Originally, gear ratios ranged from 2.41 through 4.10.

But there are several models in the 10-bolt line-up. 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.

The casting numbers for 10-bolt rear differentials are typically located either on the forward side of the passenger-side axle tube or on the driver’s side. These numbers are approximately 3 inches from the center section. The two examples at right show you how to decode 10-bolt housings. 1970 axle code: COZ 01 01 G E

When did General Motors start using 10 bolt axles?

From 1972-on, General Motors installed its 10-bolt in cars and it remained an option for trucks until 1987. Unlike the various 10-bolts, the 12-bolt axle assembly has different components for cars and trucks. The passenger car 12-bolt has an oval-shaped differential cover, and it measures 10 15/16 x 10 5/8 inches.

Can a Chevy 10 bolt differential be disassembled?

The disassembly procedure for both Chevy 10- and 12-bolt rear differentials is virtually the same. You do not need to be concerned with getting it out of alignment.

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’s the axle ratio on a C-10 Chevy?

If you still have the factory rear it is most likely a 3.73. This is easy enough to confirm by direct count. Jack up one rear wheel and turn it exactly TWO revolutions. The number of driveshaft revolutions is your axle ratio.

How to do a rearend swap in a C-10 Chevy?

This is easy enough to confirm by direct count. Jack up one rear wheel and turn it exactly TWO revolutions. The number of driveshaft revolutions is your axle ratio. If you want taller gearing, the 12-bolt rear was used until about 1982 and the later ones were available with ratios up to the high 2.xx range.

How to rebuild a GM 8.5 rear axle 10 bolt Chevy?

If playback doesn’t begin shortly, try restarting your device. I post great videos of automobile builds, “How-to’s”, Car Show footage, ride-alongs and more!

Can a 71 Chevy C / 10 fit a 72 Chevy?

yeah find you a 71 or 72 chevy c/10 and you got a direct fit . cevy went to 5 lug in 71 . also early classics has axle shafts that fit your rearend that are 5 lug 279.00 . If you want another rearend that bolts in, any chevy truck (64-72) has the same rear (and some 63s also, mid year switchover from the eaton rear, which you don’t want).

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.

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. Big-block Chevelles, Camaros, and other GM high-performance vehicles were fitted with the 12-bolt limited-slip axle to maximize torque transfer and traction. (Photo Courtesy Moser Engineering)

https://www.youtube.com/watch?v=uKzd-OkLycA

How often should I replace my GM 10 differential shaft lock bolt?

Glad it’s available, even if it is a Dorman part. This is the specialty bolt used to keep the cross pin in place inside your GM 10 bolt differential. The shank of this bolt has a tendency to chafe. I consider it preventative maintenance to replace it or at least inspect it to see of it needs replaced every say 100k miles.

Which is differential pinion lock bolt for GM Yukon?

This is a modal window. Customer Review: Yukon YDGGM8.5-3-28-1 Duragrip Differential for GM 8.5″ with 28 Spline Axle.Yukon ydggm8.5–3-28–1… This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles.

Why are the pinion bearings on my car so loose?

This threaded started with the pinion bearings being loose, if axles were removed only so that diff carrier could be removed for pinion bearing work, then don’t worry about the axle bearings. Do worry about why the pinion bearings are loose, those usually last longer than most everything else on a vehicle.

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Ruth Doyle