What vehicles had a 14 bolt rear end?
The 10.5” Corporate 14 Bolt Differential is a heavy duty differential found on many 1973-2013 Chevrolet and GMC trucks and SUVs, as well as certain versions of the Cadillac Escalade. Additionally, this differential is found on Chevrolet Express and GMC Savanna vans produced from 1973 to current day.
How can I tell what rear end my 14 bolt is?
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 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 |
What bolt pattern is a 14 bolt?
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 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.
Are all 14 bolt rear ends the same?
Over the years, there have been millions of 14 bolt axles produced. And, of course, they weren’t all the same. GM 14 bolt axles were available in semi-float and full-float versions, and there are two types of hubs found on 14 bolt axles. Also, two different types of drums were used.
What is a 14 bolt rear?
GM’s Strong & Plentiful Axle In case you’re not familiar with the 14-bolt, the axle gets its name from the 14 bolts that secure the differential cover. First appearing in 1973, the 14-bolt is one of the most used rear axles in the General Motors stable.
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.