How many spline is a 14-bolt axle?
30-spline
The 14-bolt axleshaft is still 1 1/2 inches, but has a 30-spline cut with a unique spline pitch. The 14-bolt axles typically have drum brakes from the factory, save for the newest late-model disc-adorning versions, but obviously there are a lot of guys out there upgrading to discs on the older ones.
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″ |
Is a 14-bolt A 1 ton axle?
Likewise, while most 1 ton Chevy and GMC trucks and vans feature a 14 bolt rear axle, they can also be found in three-quarter ton trucks, vans, and SUVs (Suburban).
What size is a 14 bolt rear end?
GM 14 Bolt Specs
| Applications: | 1973 – present GMC & Chevrolet trucks (AAM axles replaced the 14 bolt in most applications for 2001+ model years) |
|---|---|
| Axle Spline Count: | 30 spline |
| Axle Shaft Diameter: | 1.50″ or 1.34″ |
| Axle Tube Diameter: | 3.25″ diameter, 0.50″ wall thickness tubes |
| Pinion Diameter: | 1.750″ pinion |
How do I know what 14 bolt I have?
You can spot a full-float rear axle by looking at the wheels; Full float axles have a tell-tale “axle end” that sticks out from the wheel surface. This is because the wheel hub on a full-float 14 bolt axle will stick out beyond the wheel mounting surface anywhere from (roughly) 2 to 4 inches.
What year is a 14 bolt?
1973
First appearing in 1973, the 14-bolt is one of the most used rear axles in the General Motors stable. Found under ¾- and 1-ton GM trucks, vans and SUVs, the 14-bolt received a max torque rating of 6,242 pounds. Up until 1994, GM manufactured the 14-bolt in-house.
How do I know if my 14 bolt is a full floater?
How much power can a 14 bolt handle?
Found under ¾- and 1-ton GM trucks, vans and SUVs, the 14-bolt received a max torque rating of 6,242 pounds.
How do you measure a custom front axle shaft?
Hook a tape measure in the side gear of the new carrier. Measure to the end of the tube. Add the distance from the shoulder on the shaft to the centerline of the u-joint. Thats how i did it as well.
What size gear does a 14 bolt axle have?
Additionally, the full-float 14 bolt axle uses a 10.5″ ring gear. You can spot a full-float rear axle by looking at the wheels; Full float axles have a tell-tale “axle end” that sticks out from the wheel surface.
What is a 14b rear axle?
This article is a compilation of information and and specs relating to the venerable GM Corporate 14 Bolt full-floating rear axle – also referred to as the 10.5″ (after the size of the ring gear in inches) or just simply the “14b” for short.
Is a 14 bolt semi float axle any good?
Still, the 14 bolt semi-float is a solid axle for a lot of applications. Compared to a GM 10 bolt axle (for example), a semi-float 14 bolt is a nice upgrade.
What are the different types of bolt axles?
When most people talk about 14 bolt axles, they tend to focus on three attributes/options: Stud mounted drums or slide-on drums (full-float axles only) Single rear wheel, dual rear wheel, or cab-and-chassis (full-float axles only)
