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# What is a good rear axle ratio for towing?

## What is a good rear axle ratio for towing?

The 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 should be considered when selecting rear end gear ratio?

A number of factors must be considered when selecting a rear-end gear ratio (ring & pinion set). Tire diameter, transmission choice (with or without overdrive) and desired highway cruising speed.

Why is it important to know rear axle ratio?

The rear axle ratio of your car is instrumental in determining which transmission gear set is best suited for your car. It is also important to know the ratio as well as tire size to determine which speedometer gear you need so your speedometer reads accurately. By following these directions, you can determine what the axle ratio is in your car.

Where do I find the gear ratio on my car?

How to Find Out the Gear Ratio With the VIN Number. It can be found on the sticker on the inside of the driver’s side door or on a stamped metal plate embedded in the dashboard above the steering wheel. It also is on your vehicle’s title. Identify the VDS section, the fourth through eighth digits of the VIN.

### Where do I find my rear end ratio?

The table below will help you determine what rear end ratio you have by using your RPO code, answering the question: What rear end ratio was in my Chevrolet or GMC vehicle when it left the factory. You can typically find your RPO code on driver side door panel or glove box.

### How do you calculate rear end ratio?

Step 1 How to Calculate Your Rear End Ratio. Here is the formula to calculate rear end ratio: =(60*RPM)/(Tire Size*Xmission Final Ratio*Road Speed) Here’s what you need to know: Your Tire size in a number represented as “revolutions per mile”.

What is the best gear ratio?

A slow reel is the ideal choice for most crankbaiting. A reel with about a 5:1 gear ratio is going to help you get your baits to their maximum depth and also give you superior feel, so you know exactly what’s going on with your lure. My favorite cranking reel is the new Lew’s BB1.

How do I determine my axle gear ratio?

When attempting to find the axle ratio of an unknown gear set-up, it is possible to count the teeth on both the ring and pinion gears and divide the number of teeth on the ring gear by the number of teeth on the pinion gear. The result is the final gear ratio of the axle.

#### How do you determine axle gear ratio?

• Slide a floor jack under the rear of the vehicle and raise it until the rear wheels are off the ground.
• Crawl under the vehicle and locate the drive shaft where it attaches to the front of the rear axle.
• Place a piece of masking tape on the edge of one of the rear tires.

Ruth Doyle