Quick Answer

You Asked What spline is a 14-bolt?

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.

How many splines does a 14-bolt have?

The 14 bolt has 30 splines while the Dana 70 has 35. However, the shape and design of the splines is different on the 14 bolt than on the Dana 70, so having only 30 splines is not considered a weakness.

What is the diameter of a 40 spline axle?

For examle, a 35-spline axle has a major diameter of 1,500 inches
a 40-spline axle is 1.708 inches in diameter. Another key aspect of the spline is its shape.

How strong is a 14-bolt rear end?

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.

Is a 14-bolt limited slip?

14 Bolt Eaton Positraction LSD

It’s a limited slip with rebuildable clutches. Not as much traction as a locker.

Is a 14-bolt A 1 ton axle?

The 14-Bolt Is The Ford 9-Inch Of 1-Ton Trucks

Every diesel-powered pickup sold in the United States for the last 10 years has a full-floating rear axle.

What vehicles came with a high pinion Dana 60?

The Dana/Spicer Model 60 is an automotive axle manufactured by Dana Holding Corporation and used in OEM pickup and limited passenger car applications by Chevrolet, Dodge, Chrysler, Jeep, Ford and Land Rover.

Are front and rear ring and pinion the same?

These sets are exactly the same. But when the rig is driven forward the pinion is putting pressure on the drive side of the ring gear in the rear and on the coast side of the ring gear in front.

How do I identify a 14 bolt rear end?

GM 14 Bolt Differential Explained – How to Identify

How do I know what 14 bolt I have?

You can spot a semi-float 14-bolt axle by counting the lugs (if it’s a six lug wheel, it’s a semi-float), or by looking at the wheel surface. On a semi-float axle, the axle shaft terminates at the wheel mounting surface. So, there will not be a visible axle end. NOTE: Some semi-float axles have 8-lug nuts.

Are all 14 bolt full float?

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. Unless you are really into axles, it can be a little confusing to know which axle you have.

What trucks have 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.

What is a GM 14 bolt rear axle?

The General Motors Corporate 14 bolt is a heavy duty, full floating rear axle used in 1973 to 2001 Chevrolet and GMC pickups. It is not to be confused with the smaller, semi floating 14 bolt axle, which uses a 9.5″ ring gear and is built for 3/4 ton applications.

How much does a Detroit Locker cost?

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What is a grizzly locker?

Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures.

How wide is a Chevy 14 bolt rear end?

14 Bolt Axle Dimensions

WMS to WMS width Axle tube diameter
SRW 68″ 3.375″
DRW 72″ 3.5″
C&C DRW 63.5″ 3.5″
SRW Van 70″ 3.5″

How wide is a 14 bolt?

GM 14-Bolt Specs

Pinion Bearing Preload (Inch lbs) 25 – 35 (new bearings) 5-15 (reused bearings)
Pinion diameter 1.750″ x 30 splines
Carrier Break 4.10 / 4.56
Approximate Weight (lbs) 550 with brake drums 450 without brake drums
Width – WMS-WMS (inches) SRW/DRW 67″ C&C DRW 63″

What is the strongest rear end?

Dana 60 Rear End Assemblies

If you want a big brute of a rear end under your car, look no further than a Dana 60. Even in the heyday of muscle cars, Dana 60 rear differentials were renowned for their strength, along with their difficulty to locate.

What’s the difference between a Dana 44 and a Dana 60?

The Dana 44 axles use u-joints that measure 2.18 inches from snap ring to snap ring. The Dana 60 axle uses u-joints that measure three inches from snap ring to snap ring. The Dana 60 has a larger ring gear, larger axle tubes, larger axle shafts, and overall is much stronger.

What does a Dana 80 come in?

ID A Dana 80 Rear Axle in Chevy, Dodge Ram, or Ford Truck IDN-126. Was: Dana 80 Rear Axles have been in production since the 1988 Model Year. They have been used in Chevy/GMC 1992-2002 , Dodge(1994-2002), and Ford (1988-current) trucks vans, and motorhome chassis.

What’s the difference between high pinion and low pinion?

A low-pinion axle positions the pinion below the centerline of the axle, while a high-pinion axle places the pinion above the centerline of the axle.

Can you run different gear ratios front and rear?

It all actuality you can run WHATEVER ratio you want front and rear…as long as you are willing to do the math and make the front and rear tires smaller and larger to compensate!

Do front and rear axle ratios have to match?

As long as there’s less than a 1% difference between the ratios, they’re considered “close enough”. If your front axle only has 4.11 gears (37 ring gear teeth and 9 pinion teeth) but your rear axle has 4.09 gears (45 ring gear teeth and 11 pinion teeth) the ratios don’t match exactly.

Are front and rear diff gears the same?

In front wheel drive vehicles the differential is in the front and called a transaxle. In rear-wheel drive vehicles, the differential is in the back. Four wheel drive vehicles have differentials in both the front and back. The differential contains fluid that lubricates and cools the gears.

How can I tell what rear end is in my Chevy truck?

You can typically find your RPO code on driver side door panel or glove box. General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. 7.5 inch, 8.5 inch, 10.5 inch.

How do I know what size rear end I have?

Measure the diameter of the ring gear. This measurement equals the size of your rear end. Count how many bolts are on the inspection cover. If you have 10 bolts, then your Ford has a 7.5-inch or an 8.8-inch rear end.

How do I know what axle ratio I have?

Method 1: Count the number of teeth on the ring gear and the pinion. Divide the number of the ring gear’s teeth by the number of the pinion’s teeth. This will give you the axle ratio.