Quick Answer

Question: Is a 10 bolt rear end good?

That’s usually proven when used in high-performance, high-horsepower applications. But for all intents and purposes, the 10-bolt rearend is a great unit for a street/strip car, and can be stout enough to handle even the occasional abuse delivered by use at the racetrack.

How strong is a GM 14-bolt?

GM’s Strong &amp
Plentiful Axle

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.

What is a #10 bolt?

Hex bolts have hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.

How do I identify a 14-bolt rear end?

GM 14 Bolt Differential Explained – How to Identify

Why is the Ford 9 so good?

The Ford 9-inch is desirable because it has a removable carrier, which allows quick rear end changes. Many racers carry an extra carrier assembly with a different rear end ratio so they can try different combinations on the same day while at the track.

What is the best rear end for drag racing?

Ford 9″– The Ford 9″ is definitely the most popular of the rear ends in drag racing. It offers good strength characteristics and the largest variety of gear choices. The thirdmember type center section allows a racer to have multiple gear ratios available and is much easier to change than a rear loading type rear end.

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.

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.

Are all 14 bolt carriers the same?

14 Bolts Have a Carrier Break

For manufacturing and performance reasons, manufacturers often change the carrier at a midpoint in a gear ratio range to deal with the smaller and smaller pinion and the thicker ring gear. This means that there are two different carriers that come in a 14 bolt axle.

What is a GM 10 Bolt?

The GM 10-Bolt semi-floating rear axle has been in use for over 40 years. It’s been used in passenger cars, and light duty pickups and SUVs over the decades.

How do you tell if you have a 10 bolt or 12 bolt rear end?

Just like a 10-bolt rearend, there should be stamped numbers on the axle tube – on the passenger’s side. The numbers should let you know what gear-ratio came from the factory, the date of production, where the unit was assembled, and whether the carrier is Positraction or not (see charts).

What is a GM 10 bolt front axle?

The GM 10 Bolt front axle was used on Chevy and GMC 1/2 ton and 3/4 ton 4×4 pickups from 1977 to 1987 and on Blazer/Jimmy, and Suburban SUVs from 1977 through 1991. Identify a GM 10 Bolt Front Axle: Type: Iron beam 4×4 Front Drive Axle Front…

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 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.

Is a 14 bolt semi float 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. 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.

Which is stronger Dana 60 or Ford 9?

We know from long experience that a fully built 9-inch Ford is better and stronger than a Dana 60.” —Mark Williams, Mark Williams Enterprises. With its 2.250-inch offset, the 9-inch Ford’s hypoid distance is greater than popular competitors, most of which are at 1.5 inches or even less.

What is a good street strip gear ratio?

If we have a daily driver, 2.55 to 3.25 gear ratios typically work best, whereas a street/strip application we would usually use a 3.42 to a 3.90 gear ratio, and race applications most commonly use a 4.10 and above gear ratios.

How much horsepower can a Ford 8.8 handle?

Dead stock (31 spline version, which is what the Explorer has) it can handle up to about 400 rwhp as long as you’re not on DR’s or Slicks.

What’s the best gear ratio for speed?

In the real world, typical street machines with aspirations for good dragstrip performance generally run quickest with 4.10:1 gears. Lower gears are required if the car is very heavy, or if the engine makes its power at the upper end of the rpm scale.

What is the best gear ratio for torque?

indeed Does gear ratio affect horsepower? A higher numeric axle ratio (4.11:1) keeps the engine running in the higher horsepower range, thus improving performance.Are 3.73 or 4.10 gears better?

3.73 Ratio 4.10 Ratio
Lower Torque Higher Torque
Better Gas Mileage Decreased Gas Mileage
Higher Top Speed Lower Top Speed

Which gear ratio is faster?

A lower (taller) gear ratio provides a higher top speed, and a higher (shorter) gear ratio provides faster acceleration. . Besides the gears in the transmission, there is also a gear in the rear differential. This is known as the final drive, differential gear, Crown Wheel Pinion (CWP) or ring and pinion.

How do I tell what gear ratio my 14 bolt is?

Carefully count the number of full revolutions the driveshaft makes. This is your gear ratio. In other words, if the drive shaft turns 3 &amp
3/4 turns, you probably have a 3.73 gear ratio.

How wide is a 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″

What’s the difference between a Dana 60 and 70?

The Dana 60 has a 9.75″ ring gear, while Dana 70 has a 10.5″ ring gear. The variety of Dana 60 and Dana 70 applications is confusing: Dana 60 axles are available in front and rear fitments
Dana 70s are more likely to be rear, but front axle Dana 70 axles exist (International used them, as did Dodge for a time)

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 wide is a GM 14 Bolt axle?

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 a full floating rear end?

In a full-floating axle, the axle is not attached to the axlehousing at all
it is allowed to “float” inside the axlehousing
. A tubular shaft is mounted to the end of the housing and acts like your front spindle, only it is hollow to allow the axle to meet up with the wheel assembly.

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.

What did a Dana 70 come in?

The Dana 70 rear axle was first used in the Dodge W300 in 1958. The Dana 70 started out using 10 spline pinions and 23 spline axle shafts. The later, more current, Dana 70 axles use 29 spline pinions and 32 or 35 spline axle shafts.

How do I identify a Dana 60?

It can be identified by its 10-bolt rear cover, which appears to be lying on its side. Each Dana 60 has a build date and bill of materials numbers stamped into the back of the passenger-side axle tube. These numbers are fairly small but they are always on original axles.