How do I know what rear end is in my Silverado?
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 find the rear axle ratio on my Silverado?
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.
How many gears does a 2001 Chevy Silverado have?
Used 2001 Chevrolet Silverado 1500 Specs & Features
| Drivetrain | |
|---|---|
| Transmission | 4-speed automatic |
| Drive type | Rear wheel drive |
What rear diff 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.
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 size rear differential do I have?
Measure the ring gear diameter. The ring gear is the largest gear inside the differential housing and normally faces the driver’s-side rear wheel. Using a tape measure or machinist’s ruler, measure the ring gear diameter. This identifies the differential — a Ford 9-inch or GM 7.5-inch — for example.
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 is in my Chevy truck?
How much horsepower does a 2001 5.3 Vortec have?
285 hp @ 5,200
Used 2001 Chevrolet Silverado 1500 LT Specs & Features
| Engine | |
|---|---|
| Base engine size | 5.3 L |
| Cylinders | V8 |
| Base engine type | Gas |
| Horsepower | 285 hp @ 5,200 rpm |