How do I identify my Chevy rear differential?
If the ID tag or stamp is missing or unreadable, differentials can be identified by the number of cover bolts, the distinctive shape of the cover, the number of ring gear bolts, and ring gear diameter. They can also be identified by whether the center section is an integral or dropout design.
How do I know what GM rear end I have?
Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box.
What size is a 55 Chevy rear end?
Products specifications
| Vehicle Fitment | 55-57 Chevy Tri-5 (120, 210, Bel Air and Delray ) Call for Station Wagons, Nomad and Sedan Delivery |
|---|---|
| Brake Space | 2.5 inches (axle standoff) |
| Width | 60 inches (between wheel mounting surfaces) |
| Fluid Capacity | 3 quarts of 85w-140, non-synthetic (API GL-6 rated only) |
What rear end does a 57 Chevy have?
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.
What rear differential do I have?
Stamped Number on the Axle
To figure out exactly what axle you have, you can look for the Dana stamped bill of materials number. This stamped number can usually be found on the righthand side or on the longer axletube on the same side of the tube as the differential cover, facing the rear of the truck.
What type of rear differential do I have?
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.
How do you tell if you have a 8.5 or 8.6 rear end?
While the 8.5-inch rearend was used on vehicles up to 1999, The 8.6-inch (8.625) was used on 2000 and later-year trucks. The easiest way to tell the difference is by looking at the brakes. All 8.6-inch rears have disc brakes, and 8.5-inch units have drum brakes.
How wide is a Chevy 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″ |
How wide is a 55 Chevy?
Dimensions
| Exterior | |
|---|---|
| Length : | 195.6 in | 4968 mm. |
| Width : | 73.0 in | 1854 mm. |
| Height : | 59.0 in | 1499 mm. |
| Wheelbase : | 115.0 in | 2921 mm. |
How wide is a 57 Chevy rear end?
55-57 Chevy is 60-1/4″.
What rear end do I have in my Chevy truck?
To determine the type of rear-end your Chevy has, you need to check the number of the cover bolts, the cover, and the gasket. Then locate the rear end casting date.
How do I know my Chevy gear ratio?
Where To Find Your Chevy Or Gmc Truck Gear Ratios, GU4, GU6, GT4 …
Is limited slip the same as posi?
Positraction is what General Motors called its limited slip differential, the term has come to refer to LSDs in general.
Are GM 8.5 and 8.6 the same?
The easiest way to tell the difference is by looking at the brakes. All 8.6″ axles have disc brakes and 8.5″ have drums. Both axles use the same ring and pinion gears so that means a ring and pinion set from a present-day 8.6″ will install into a 1980’s 8.5″ and vice-versa.
What is the difference between a 10 bolt and 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 wide is a 62 Nova rear end?
Products specifications
| Vehicle Fitment | 62-72 GM X-body vehicles (Nova, Chevy II, Super Sport, Apollo, Omega, Ventura) with single or multi-leaf rear springs |
|---|---|
| Brake Space | 2.5 inch axle standoff |
| Width | 62-67 = 57.875 inches / 68-72 = 60.250 inches (between wheel mounting surfaces) |
How wide is a 12 bolt Chevy rear end?
The rearend cover on passenger car 12-bolt rearends is oval, measuring 10-15/16-inches wide by 10-5/8-inches tall.
How heavy is a 55 Chevy?
Features
| Engine Location : | Front |
|---|---|
| Drive Type : | Rear Wheel |
| Production Years for Series : | 1953 – 1957 |
| Price : | $1,634-$2,238 |
| Weight : | 3175 lbs | 1440.156 kg |
How fast can a 1955 Chevy Bel Air go?
1955 Chevrolet Bel Air Runs 202 mph on an Art Morrison Chassis.
How wide is a GM 10 bolt rear end?
The 8.5-inch 10-bolt rearend was used in cars and trucks over a wide range of years. It first appeared in 1970 production cars as a corporate replacement for the 8.2-inch 10-bolt rearend.
How do you tell if you have a 7.5 or 8.5 rear end?
The 8.5 rearend will have a round cover, and part of the cover will extend rearward to make room for the ring gear. You will also notice the large, flat, cast-in protrusions at the five and seven o’clock positions. These protrusions are larger than those on the 7.5 rearend.
What gear ratio is a 10 bolt Chevy rear end?
2-355) is a standard 8.2 3.55 gear ratio that is made of 8620 steel. We decided to go with middle of the road gears like the 3.55s, though these diffs were fitted with up to 4.11s from the factory.
…
| Price Breakdown | |
|---|---|
| Master Power 11-in. drum brakes | $495.00 |
| Axle bearings and seals | $10.48 per side |
| TOTAL | $1,557.81 |
Are 3.73 or 4.10 gears better?
3.73 VS 4.10 Ratio
| 3.73 Ratio | 4.10 Ratio |
|---|---|
| Not as fast off of the line | Quicker Off The Line |
| Lower Torque | Higher Torque |
| Better Gas Mileage | Decreased Gas Mileage |
| Higher Top Speed | Lower Top Speed |
Do both wheels spin with limited-slip?
Can you do a burnout with a limited slip differential?
So going back to your question yes it is possible to perform a burnout with a limited slip differential and infect it would be a better burnout as both drive wheels would be getting equal amounts of power, it will prevent you spinning up just one single wheel and looking like an amateur.