Does VIN Number Tell Gear Ratio?

What each digit means in a VIN?

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 gear ratio my rear differential is?

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. If it turned 4 and a quarter times, it’s a 4.25:1 ratio.

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 get a Dodge build sheet?

You can pull your own build sheets on the Dodge site with your VIN. Click the link below and go to “Equipment Listing” on the left. It will generate a PDF with your build info.

How do I identify my differential?

Without an ID tag, differentials are 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 size rear end I have?

Measure the diameter of the ring gear. This measurement equals the size of your rear end. Count how many bolts are on the inspection cover. If you have 10 bolts, then your Ford has a 7.5-inch or an 8.8-inch rear end.

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

Can I lookup my vehicle specs by VIN number?

Write the VIN down on a piece of paper. Go to a VIN decoder website, such as AutoCheck.com, DecodeThis.com or DMV.org. You can use any of these websites to decode your VIN and reveal the meaning of each character to find vehicle specs. Enter the VIN in the search box on any of these sites, then press “Enter.”

How do I find out what gear ratio my Ram 1500 has?

Active Member. You can always look at the tag on the differential. It has the ratio printed on it. You can also get your build sheet which is specific to your truck and lists all components used to build your truck.

What is the difference between 3.42 and 3.73 gears?

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.

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.

How do I find the rear axle ratio on my Ram 1500?

Rotate the rear tire 2 times and count the number of times the drive shaft turns. Close to 4 times = 3.92. Close to 3 1/2 = 3.55 Close to 3 = 3.21.

What is the 8th digit in a VIN number?

Digits in position 4 through 9 make up the Vehicle Description Section (VDS). 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.

How do I check a VIN number for free?

Here’s Where to Get a Completely Free VIN Check! Have you heard of the National Insurance Crime Bureau (NICB), VehicleHistory.com or iSeeCars.com/VIN? Just pop in your car’s digits and these sites will do the VIN lookup and give you information on the vehicle.

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 gear ratio should I use for 33 inch tires?

So if our truck had 30-inch tires stock, and a 3.73:1 axle ratio, that calculation would tell us we need a 4.103:1 (which rounds off to the readily available 4.10:1) gear ratio to get us back to stock with 33-inch tires.

What is a 3.21 rear axle ratio?

Understanding Axle Ratios The term refers to the gears in the truck’s differential, which is a mechanical device that links the rear axle to the driveshaft and then the engine. … So, a truck with optional 3.73 gears will tow a heavier trailer than one with 3.55 or 3.21.

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).