How do you find the gear ratio on a GM rear end?

How do you find the gear ratio on a GM rear end?

Count the teeth on the small gear in the forward part of the axle housing, called the pinion gear. Count the number of the teeth in the big ring gear attached to the differential. Divide the number of teeth on the pinion into the number of teeth on the ring gear. This is the gear ratio.

How much horsepower does a 1955 Chevy have?

The 1955 Chevy is a classic and marked a turning point for Chevrolet as they introduced the first successful small-block V-8 engine. With a displacement of only 265 cubic inches it still was one of the most powerful engines ever produced making up to 180 HP….Admission:

What is a 3.42 rear axle ratio?

Axle ratios may be expressed in notation as something along the lines of “3.42:1,” or a “3.42 rear axle.” In either case, it essentially means the drive shaft and pinion need to rotate 3.42 times in order to rotate the axle shafts once.

What is a 1955 Chevy Bel Air worth?

Data based on 1,331 auction sales. note: The images shown are representations of the 1955 Chevrolet Bel Air and not necessarily vehicles that have been bought or sold at auction….Chevrolet Models.

How much did a 1955 Chevy Bel Air cost in 1955?

4 The Price In 1955 In 1955 the Chevy Bel Air V8 was priced only $2,166. Converted to modern USD, its price was about $21,000.

What is the difference between 3.08 and 3.42 axle ratio?

The 3.08 will give you slightly better highway mpg’s. In town and avg. mpg’s – the 3.42’s are 1.5mpg better. The 3.08 gears lug the motor and make it a slug.

What is a good diff ratio?

Differential Gear Ratio determines the number of times the drive shaft (or pinion) will rotate for each turn of the wheels (or ring gear). So if you have a 3.73:1 gear ratio the drive shaft turns 3.73 times for every turn of the wheel. Lower ratios are generally desirable when going off-road.