Question: How Do I Find Out What Gear Ratio My Truck Has?

How do I find out what gear ratio my Ram truck 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 does the 8th digit of a VIN mean?

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 you decode a VIN?

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…•

How do I find out what gear ratio my f150 has?

Locate the axle identification tag on the rear axle on the differential cover bolt in the 12 o’clock position. The number in the lower left-hand corner is the gear ratio, for example, “3.08.” If the number has an “L” in it, for example, “3L08,” it is a limited-slip axle.

Is it better to have a higher or lower gear ratio?

The higher the number the better the car will accelerate, but at the expense of high speed cruising. Now for the confusing part of the story. A high numerical gear ratio is called a low gear or low rear end, and vice versa. Low gears give fast acceleration, high gears give better cruising.

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.

How do you read a Chevy VIN number?

How to Decode GM VIN CodesLocate the VIN number, which can be found on the plate attached to the left side of the instrument panel and is visible by looking through the windshield from the outside. … Identify the first three digits of the VIN. … Find the next five digits. … The next three digits represent production numbers.

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.

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.

How do I find out what gear ratio my Ford truck has?

How to Find Out the Axle Ratio on a Ford PickupOpen the front door on the driver’s side.Locate the Truck Safety Compliance Certification Label on the door pillar near the door latch.Locate the two-digit code in the box labeled “AXLE,” which is just below the bar code.Match the code on the label to the corresponding rear axle ratio.

How do I know what gear ratio My rear end is?

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. For better accuracy, turn the wheel 20 times and divide by 2 for your rear axle ratio.

What size engine do I have 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.

Is the 5.7 Hemi good for towing?

5.7L HEMI® V8: Maximum towing capacity – 13,910 lbs. 6.4L HEMI® V8: Maximum towing capacity – 16,480 lbs. 6.7L Cummins® Turbo Diesel I-6: Maximum towing capacity – 31,210 lbs. Fifth Wheel Configuration (w/Cummins® engine): Maximum towing capacity – 30,000 lbs.

How do I know what Differential I have?

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 identify my Chevy rear axle?

The rear cover’s shape and the number of bolts are identifying features for GM rear differentials. The round 10-bolt cover with a bulge for the ring gear identifies this axle assembly as an 8.5-inch 10-bolt. The two lugs on the lower case at the 5 and 7 o’clock positions are also identifying features.

How do I know what Ford Axle I have?

The differential carrier tag contains the Dana model number and is located next to the driveshaft mount, facing forward on the passenger side of the housing. The model number is located on the top right hand corner of the tag, J210-S, for example. Locate the identification tag on Ford manufactured rear end units.