Is a GM 14 bolt good?
GM’s Strong & Plentiful Axle When it comes to strength, value, and vast availability, the full-float 14-bolt rear axle from General Motors is about as good as it gets. The AAM 1150 uses an 11½-inch ring gear, but retains the same axleshaft diameter as the 14-bolt.
How wide is a GM 14 bolt axle?
14 Bolt Axle Dimensions
| WMS to WMS width | Driver axle shaft length | |
|---|---|---|
| SRW | 68″ | 37.625″ |
| DRW | 72″ | |
| C&C DRW | 63.5″ | 37.625″ |
| SRW Van | 70″ | 39.375″ |
What bolt pattern is a 14 bolt axle?
GM 14-Bolt Specs
| Pinion Bearing Preload (Inch lbs) | 25 – 35 (new bearings) 5-15 (reused bearings) |
|---|---|
| Axle Shaft Diameter (inches) | @ splines 1.54″, @ neckdown 1.367″, operating diameter 1.351″ @ flange 1.458″ 30 splines |
| Axle Flange Bolt Pattern | 8 on 3.523″, 1/2″ holes, bolts are 1/2-NC13x1.5″ |
What bolt pattern is a 14 bolt rear end?
How big is a GM 14 bolt rear axle?
GM CORPORATE 14-BOLT With a 10 1/2-inch-diameter ring gear, the biggest 14-bolt GM rearend looks much like a Dana 70, and is but a few thousandths of an inch shorter in ring gear diameter. This axle is commonly used with big engines and/or overly large tires. It was used under 1973-87 3/4-tons.
What’s the difference between a 14 bolt and a Dana 70?
The diameter of the axle shaft at the splines is a key factor in determining how much load the axle can take: The 14 bolt axle and the Dana 70 each have axle shafts that measure 1.5″ at the splines. The 14 bolt has 30 splines while the Dana 70 has 35.
What kind of axles does a Dana truck use?
Dana Corporation is a very large OE and aftermarket supplier of axles and driveline components. Dana axles have been used by all of the big OEMs at one point or another, including to this very day. The Dana 60 and Dana 70 are two heavy-duty variants in the Dana axle line, and are typically found in 3/4 ton and 1 ton pickup trucks.
How much does a Dana 60 axle weigh?
Since there are many different variations of Dana 60 and 70 axles, we can’t give those axles a certain weight. However, a rear Dana 60 axle usually weighs about 400 pounds, a front Dana 60 will weigh about 500 lbs, and the Dana 70 is similar in weight to the 14 bolt.