Quick Answer: What Gear Ratio Do I Have By Vin?

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…•.

What is my engine size by Vin?

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. Just tell the store clerk those two characters and you’re in business.

How do I find out what gear ratio My truck has?

Mark the wheel and the drive shaft with chalk or masking tape. Turn the wheel TWO revolutions and count the number of driveshaft turns. The number of driveshaft rotations will help you determine your rear axle ratio. For example, if it turned 3 and a half times, it’s a 3.50:1 ratio.

What does the 8th digit in a VIN number mean?

Vehicle Description Section The fourth through eighth digits describe your vehicle’s model, body type, restraint system, transmission type, and engine code. The ninth digit is the check digit, which is used to detect fraudulent VINs.

What does each digit in 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.

How do I know what rear end is in my truck?

There are several ways to identify the axle under your vehicle. Having a visual reference is probably the easiest way. Please open the attached documents to see pictures of the cover gaskets, and differential covers for many popular rear ends.

How do I know what gear ratio my front differential is?

Pull off the diff cover and count the ring gear teeth and the pinion gear teeth, then divide the pinion gear into the ring gear. That will give you the exact ratio.

Can you tell gear ratio from Vin?

Each number and letter contained within a VIN reveals information about the vehicle, such as the make, model, production year and engine size. … The VIN will not give you gear ratios in most cases.

How do you know what gear ratio you have?

The gear ratio is calculated by dividing the output speed by the input speed (i= Ws/ We) or by dividing the number of teeth of the driving gear by the number of teeth of the driven gear (i= Ze/ Zs).

What do the last 6 digits of a VIN mean?

serial numberThe last six digits of a VIN reveal the vehicle’s regular production options (RPO) and is also commonly referred to as its serial number. … These last six digits identify all of the factory fitted options, as provided by the manufacturer—imagine it as the vehicle’s ‘DNA.

Can gear ratio be less than 1?

Typically, gears 5 and sometimes even 4 have ratios less than 1, which means that engine RPM will be less than wheel RPM in those gears. For example, gear ratio for 5th gear can typically be 0.9. Such gears (with gear ratios of less than 1) are called overdrive gears.

What is a good gearing ratio?

A gearing ratio higher than 50% is typically considered highly levered or geared. … A gearing ratio lower than 25% is typically considered low-risk by both investors and lenders. A gearing ratio between 25% and 50% is typically considered optimal or normal for well-established companies.

How do I know what gear ratio My Chevy has?

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 my car color code?

Most cars and trucks will have their color code displayed on a sticker in one of 3 places: Toward the bottom of the driver’s side door jam. At the bottom right of the windshield (stand outside looking in), next to your VIN number. In the glove box.

How do I know what rear end my Chevy has?

All Chevrolet rear ends can be identified by comparing the gasket shape to an identification chart similar to the one found on Drivetrain’s differential identification page (see References). A visual chart of different GM/Chevrolet rear ends is found on Ring & Pinion’s differential types web page (see References).

Are 3.73 or 4.10 gears better?

Vice versa, if the gear ratio is lower it has worse acceleration but a higher top speed. So, by changing your gear ratio, no power levels are being changed, just the torque….WHICH GEAR RATIO IS FOR YOU?3.73 RATIO4.10 RATIOBetter gas mileageWorse gas mileageHigher top speedLower top speed2 more rows

How can I tell what options my car has by Vin?

How to Find Factory Options With a VIN NumberFind your vehicle’s vehicle identification number. The VIN will be stamped on various locations throughout the car, including the dashboard and inside the doorjamb. … Enter the VIN into an electronic VIN decoder (see Resource section). The fourth through eighth digits of the VIN will contain factory options information.

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

With the transmission in neutral, rotate the rear driveshaft by hand. Count the number of driveshaft revolutions required for one revolution of the tire. If the driveshaft turns approximately 3-1/2 times, you have a 3.54 ratio, etc.

What is the difference between 3.42 and 3.73 gears?

The 3.42 is fine for towing smaller boats, plus you will get better gas mileage for everyday driving. If I were towing frequently on hilly roads, I might would go for the 3.73 for better gas mileage while towing, but the 3.42 should be fine with a 205.