Question: How Do I Know What Gear Ratio I Have?

What is the best rear end gear ratio?

3:55The most popular rear end ratio in trucks today is the 3:55, which sort of averages towing power and fuel economy.

This is a good ratio for the occasional towing or hauling individual.

For a person who tows more often, and heavier loads, the 3:73 or 4:10 may be more appropriate..

What gear ratio do I need for 35 inch tires?

Gear Ratio And Tire Size Calculator3.315.7134″2126366835″2065356336″2008346437″1954337014 more rows

How do you find out what packages My car has?

The VIN or Vehicle Identification Number can be used to determine many facts for a vehicle. The 17-digit number has been used since 1980 to identify the make, manufacturer, model year and package information.

What gear ratio do I have by Vin?

Identify the VDS section, the fourth through eighth digits of the VIN. This section typically includes information such as the vehicle model, engine size and body type. While not every vehicle manufacturer includes gearbox ratio information in the VDS, this will be where the information is found if it was included.

What does the 8th digit of a VIN mean?

The 8th Eighth Digit in the VIN Vehicle Identification Number Indicates Engine.

What do the first 3 digits of a VIN mean?

The first group of three numbers and letters in a VIN make up the world manufacturer identifier (WMI). In this group, the first digit or letter identifies the country of origin. … The third digit, when combined with the first two letters or numbers, indicates the vehicle’s type or manufacturing division.

Can a VIN number be 13 digits?

A vehicle’s identification number (VIN) is a unique identifier. … Vehicles manufactured prior to 1981 may have as few as 5 digits to as many as 13 digits. Within the standard 17 digit VIN, each digit or group of digits identifies certain aspects of the make, model, manufacturing plant, and the order it was manufactured.

Can a vin be 16 digits?

A vehicle’s vehicle identification number (VIN) is like its birth certificate, a unique identifier that sets it apart from all others. Older vehicle models carry 16-digit VINs, while newer VINs are made up of 17 digits/characters. … By 1983, ISO Standard 3779 introduced a standard VIN system for all manufacturers.

How do you tell the year from a Yamaha Vin?

Look at the 10th figure of the VIN. This stands for the year of the vehicle model. From the years 1988 to 2000, the tenth VIN figure would be “J” to “Y” and thereafter the 10th figure was changed to reflect a number.

How do I know my Chevy gear ratio?

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 is the difference between 3.73 and 4.10 gear ratio?

Use this rule of thumb: The higher the gear ratio, the easier it is to get the vehicle moving and better accelerating, but lowers top speed. Vice versa, if the gear ratio is lower it has worse acceleration but a higher top speed….WHICH GEAR RATIO IS FOR YOU?3.73 RATIO4.10 RATIOHigher top speedLower top speed3 more rows•May 12, 2020

How do I find out my engine code?

Find it in the lower corner of your windshield on the driver’s side. Your VIN number is your vehicle identification number and you can find your engine size by VIN number. In the series of numbers and letters, the tenth from the left denotes the model year and the eighth is the engine codes.

How can I tell what gear ratio I have without pulling cover?

So an easy way to determine your actual gear ratio is to check the tag attached to the differential cover by the cover bolts. On the tag there should be some numbering such as 3.54 or 3.73, either of those numbers will give you the stock axle ratio.

Is a 3.42 gear ratio good?

Lower numeric axle ratios may help reduce how much an engine has to work while cruising at highway speeds, and can potentially help improve fuel economy. … For instance, the 3.42:1 ratio included on many Canyon V-6 and Sierra 1500 models offers a good all-around blend.

How do you read a VIN code?

How to decode a VIN?Digits 1 through 3 combined is the WMI, (World Manufacturer Identifier).Digits 4 through 8 represent the vehicle descriptor section.Digit 9 is a check digit.Digits 10 through 17 is the Vehicle Identifier Section.The 11th digit is the manufacturer’s plant code.More items…•

Is 3.42 or 3.73 better?

The difference in towing mpg between the 3.42 and 3.73 gears at highway cruise speed, under the same conditions, should be less than 1 mpg because of the slightly higher rpm running 3.73s. Vehicle speed actually plays a bigger role in fuel economy than engine rpm.