Quick Answer

Quick Answer 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.

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.

Is a GM 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.

What gear ratio is a 10 bolt Chevy rear end?

The Yukon Ring &amp
Pinion (PN YG GM8. 2-355) is a standard 8.2 3.55 gear ratio that is made of 8620 steel.

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 Regear a GM 10 bolt?

how to re-gear a GM 8.6″ 10-bolt axle

How do you narrow a GM 10 Bolt?

Dave, You can narrow a 10 bolt by getting a donor rear (8 3/4 Mopar works good) and narrow the donor axles and put the chevy spline on the end. Then use the donor axle housing ends, brakes, etc and you have a much stronger rear and bigger brakes.

Is a 12 bolt rear end better than a 10 bolt?

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 I identify my GM rear end?

Locate the GM manufactured rear-end casting date on the housing. It is located at the base of the housing, on a flat surface facing upwards. It consists of a letter and three numbers, i.e., A141. The first position, “A” represents the month of manufacture, in this case, January.

What size is the pinion nut on GM 10 Bolt?

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

How do I know if my 10 bolt is posi?

Locate two lugs, or ears, extending out from the bottom of the gear casing approximately in the 4 o’clock and 8 o’clock position. This will firmly identify the unit as having come with Positraction from the factory.

Will a Tahoe rear end fit a Silverado?

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

How much gear oil does a GM 10 bolt take?

Little rears like the 7.5 take about 2 qts, larger ones like the 9 inch and Dana 60 take 3 or so. Fill it to within half an inch of the bottom of the fill plug hole, and you should be fine.

Does Ford have a 10 bolt rear end?

There are two headings, one for Ford-manufactured units and a separate one for Dana/Spicer units. Ford 7.5 and 8.8-inch units both have 10 bolts, however, the cover and gasket shapes are different. Similarly, the Dana 35 and 44 models have ten bolts with different cover and gasket shapes.

What year s10 has 8.5 rear end?

According to Chevy High Performance, the 7.5-inch was standard until 1993, when the previously optional 7.625-inch became standard. 1995 and newer S-trucks equipped with the high-output V6 were equipped with the 8.5-inch rear end.

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.

Do both tires spin with limited slip?

The easiest way to tell if you have an open differential is to jack up the car and spin one of the rear tires. If the other wheel spins in the opposite direction, you have an open differential. If it spins in the same direction, you have a limited slip differential, or LSD.

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.

Can you rebuild a rear end?

A complete rear differential replacement includes replacing the housing, gears, bearings, and seals. The average time it takes a certified mechanic to perform a differential rebuild at a shop is usually three to five hours. A rebuild on a commercial vehicle by someone without prior experience could take much longer.

How much does it cost to rebuild a rear differential?

If new gears are needed the price can be at least $1,500. Going to the worst-case scenario, if the differential is beyond repair, you’ll need the component to be replaced altogether. You can expect a rear differential replacement to cost up to $4,000.

Is rebuilding a differential hard?

A complete rear differential rebuild is much more in-depth
it involves replacing the housing, gears, bearings, and seals. Even for a certified technician, this process can take anywhere from three to five hours. Of course, it would take someone with less experience much, much longer.

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 wide is a Chevy 10 bolt rear end?

MEASURED ACROSS WHEEL MOUNTING SURFACE

Year Classic Vehicles Width Rear
55-64 Chevy car
65-67 Nova
68-72 Nova 60″
78 & up Monte Carlo, Regal, etc. with 10 bolt axle 58″

Are all GM 12-bolt rear ends 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.

Can you tell the gear ratio by the VIN number?

The gear ratio is usually listed in the VIN code located on driver’s door, the glove box, or the ID plate on the dashboard. Count the times a rear wheel goes around for one driveshaft turn: if its 3 1/2 it’s a 3.50:1. Divide the number of teeth on the ring gear by the number of teeth on the pinion gear.

What rear end came in a 57 Chevy?

Automatic 57 cars (both 6 and V8) came with 14inch tires and 3:36 rear gears. Stick shift 57 cars came with 14 inch tires and 3:55 gears.

How can you tell if a bolt is 8.5 10?

GM 8.2 10 Bolt vs 8.5 how to tell the difference