Quick Answer

Quick Answer: What’s better 10 bolt or 12 bolt rear end?

First, the 10-bolt’s pinion shaft diameter is 1.438 (25 splines) while the 12-bolt is 1.625 (30 splines) which makes the 12-bolt 13 percent larger in diameter and therefore stronger.

How do you do a rear end swap?

How To Do A Rear Axle Swap – RA24 Toyota Celica Project

What’s the difference between a 10 bolt and a 14 bolt rear end?

A 14 bolt is a monster of an axle compared to a 10 bolt or 12 bolt – larger housing, larger axle shafts, larger ring gear, etc. If you’re doing any serious off-roading, for example, you’ll appreciate the upgrade. Lots of upgrade options.

Are all GM 12 bolts the same?

A different 12-bolt differential was used for light truck applications, but those 12-bolt units are not directly interchangeable. You can identify a truck differential by the smaller, 1.438-inch diameter pinion shaft and the size of the rear cover, measuring 10.875 inches by 10.875 inches.

Why is a 12-bolt rear end good?

The 12-bolt positions the pinion-gear higher on the ring gear, which reduces the load on the pinion. This results in less parasitic loss from the friction caused as the gears mesh. Introduced in 1964, the 12-bolt rearend became a staple for Chevrolet racers.

How strong is a Chevy 10-bolt rear end?

The smaller 7.5- and 8.2-inch 10-bolt rear axles can’t transmit horsepower loads in excess of 400 hp. However, the 8.5- and 8.6-inch 10-bolts are extremely stout and effective rear differentials that can transmit up to 1,000 hp to the rear wheels.

Will a Tahoe rear end fit a Silverado?

No. You shouldn’t try fitting a Silverado differential into a Chevy Tahoe.

What is a posi Trac rear end?

Positraction units prevent loss of traction by sending power to both driven wheels. At the same time, each wheel rotates independently when necessary, preventing the non-slipping wheel from losing power. A slipping wheel loses power with the conventional rear end design.

What vehicles have a Ford 8.8 rear end?

Common Applications

  • 1986-2014 Ford Mustang.
  • 1982-2012 Ford F-150.
  • 1982-1996 Ford Bronco.
  • 2001-2005 Ford Explorer Sport Trac.
  • 1991-2011 Ford Ranger 4.0L models.
  • 1991-2001 Ford Explorer (Solid axle)
  • 1985-2011 Ford Panther platform vehicles.
  • 2012–Present Ford F-150 (Super 8.8, depending on engine and other options)

How do I identify a Chevy 10 bolt rear end?

The easiest way to identify the 8.2-inch rearend at a glance is by the shape of the housing and the spacing between the lower bolts on the cover. The 8.2-inch 10-bolt has a smooth, round, lower-case area (no cast-in protrusions), with an 11-inch cover that has a diagonal protrusion at the top.

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.

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…

How much horsepower can a 8.2 10-bolt handle?

Roughly 550 to 600 HP total. No slicks, drag radials. No problems with the 8.2 at all. I used the stock diff., the Auburn would be better.

What size is a GM 12-bolt rear end?

12-Bolts to Glory The GM 12-bolt debuted in 1965 and was mass-produced until 1972. It features an 8.875-inch ring-gear carrier held in place with two internal main caps.

Did Pontiac make a 12-bolt rear end?

Although Buick, Pontiac and pre-’67 Oldsmobiles used the same basic 8.2-inch 10-bolt differential (1967-’70 Oldsmobiles used the Olds-specific 12-bolt 8.5-inch differential), these are different from the Chevrolet 8.2 10-bolt offerings.

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 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.

How can you tell a 12 bolt posi?

The easiest way to identify a 12-bolt rearend is obviously by the 12 bolts holding the rear cover onto the axle housing. The pinion shaft on passenger-car differentials is 1-5/8-inch in diameter and the cover is oval, measuring 10-15/16-inches wide by 10-5/8-inches tall.

What size is the pinion nut on GM 10 bolt?

PYN10 – 10-Bolt 8.5″
Pinion Nut (30 Spline Pinion)

Is Posi the same as limited slip?

Registered. Posi and limited slip are both the same thing. Standard rear end “Peg leg”, both back wheels always propel the car but the power goes to the wheel that spins the fastest. So if one side spins out, all the power goes to that wheel..

How do you adjust the gears on a GM 10 bolt rear end?

GM 8.5 10 bolt gear setup and final assembly

Are Yukon and Tahoe parts interchangeable?

The exterior carries the most difference in the two models, while the interior design is almost identical. That is a big disappointment for both the Yukon and Tahoe buyers. We assume GM wants to save the manufacturing and design cost on those parts, so most of the interior parts are interchangeable.

What year Tahoes are compatible?

The safest Tahoe year models to purchase are 1995 – 1998, 2000, 2006, 2010, 2012, 2013, 2014, and 2017 – 2020. There’s very little to worry about with all of these year models, as all have garnered very few complaints over the years.

How do I find the axle ratio on my Silverado?

To find the axle gear ratio of any GM vehicle, locate the RPO sticker (typically located in the glove box) and write down any codes starting with F, G, or H.

Is Posi Trac better?

In a positraction differential, the unit senses which wheel has the greatest traction, when one tire is slipping or stuck, and sends power to that wheel. Power to the other wheel continues until equal control is returned to both tires. Positraction is beneficial when road conditions are wet or muddy.

Which is better limited slip or locking differential?

Limited slip differentials provide your vehicle with the best traction around. Locking differentials might give you good traction too, but the traction that you will experience with limited slip differentials is better. For starters, they will make it easier to turn on roads which are slippery and wet.

What is the difference between a locker and posi?

With a locker both wheels will spin at the same speed. With a posi it allows the wheels to turn at differenthe speeds. When turning the inside wheel needs to turn slower than the outside .

How much power can 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.

How strong is a Ford 8.8 axle?

Adding a 31-spline axle to a Ford 8.8 rearend means you are increasing the strength of that axle by 30 percent (19.3 + 10.7 = 30 percent increase in strength).How To Spot, Build, And Swap In the Ford 8.8 Mustang Rearend.

AXLE-STRENGTH CHART
Rear Spline Strength
Ford 8.8 28 – 19.3 % (weaker)
GM 12-bolt 30 Baseline

Is Ford 8.8 limited slip?

Ford 8.8″ 10 Bolt, 28 spline, 1979-Current. Limited-Slip-to-Locked, Select-able Locking Differential. Limited-Slip-to-Locked, Select-able Locking Differential.