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

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How do I know what gear ratio My rear end 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.

How do I find the right gear ratio?

Starts here2:24Find Your Effective Gear Ratio With This Equation – YouTubeYouTubeStart of suggested clipEnd of suggested clip56 second suggested clipIt by the size of the old tire and multiply it by the stock ratio. That is in your truck. And thatMoreIt by the size of the old tire and multiply it by the stock ratio. That is in your truck. And that will tell you what gear ratio you need to change the axles to in order for the vehicle to act.

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How do I know what gear ratio My bike is?

Gear Ratio is the ratio of revolutions of the cranks to revolutions of the rear wheel.

  1. Gear Ratio = Number of Teeth in Chain Ring ÷ Number of Teeth in Rear Cog.
  2. Gear Inches = Diameter of Rear Wheel x (Number of Teeth in Chain Ring ÷ Number of Teeth in Rear Cog)

How do you calculate gear ratio in inches?

To determine gear inches when riding, you need to perform a simple mathematical equation. Gear Inch Value = Number of Teeth on the Front Ring / Number of Teeth on the Rear Cog x Diameter of the Wheels.

How do I know my Chevy gear ratio?

Starts here2:41Where To Find Your Chevy Or Gmc Truck Gear Ratios, GU4, GU6, GT4 …YouTube

How do I know my axle gear ratio?

Method 1: Count the number of teeth on the ring gear and the pinion. Divide the number of the ring gear’s teeth by the number of the pinion’s teeth. This will give you the axle ratio.

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How do you calculate rear differential ratio?

The calculation uses the number of teeth in the ring gear and divides it by the number of teeth in the pinion gear to provide you with a “[result] to 1” ratio. For example, if the pinion gear has 41 teeth, and the ring gear has 11 teeth, the ratio would be calculated as 41/11, which is equal to 3.73 = 3.73:1.

How do I know my tire gear ratio?

Here’s the formula for calculating gear ratio: (RPM x Tire Diameter Inches) / (Final Drive Ratio x Transmission Gear Ratio x 336) = Actual numerical gear ratio to the ground from every revolution of the engine.

How do you calculate rear end gear ratio without overdrive?

FIGURING REAREND GEAR RATIO (Ring & Pinion) FORMULA: Engine RPM @ Cruise / Tire Revolutions Per Mile = Rear-end Gear Ratio EXAMPLE Without Overdrive: 1800 RPM / 656.93811 = 2.73:1 EXAMPLE Without Overdrive: 2000 RPM / 656.93811 = 3.04:1. EXAMPLE With Overdrive (30\%): 1800 RPM / 656.93811 = 2.73:1 x 130 = 3.54:1

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What is the diameter of a GM rear end differential?

General Motors rear end differentials are referred to by the diameter of the ring gear, i.e. 7.5 inch, 8.5 inch, 10.5 inch. Our experts will help you find the correct ring and pinion set for your particular application.

Should I change gear ratios?

If your looking for more power or performance, you would switch to a lower ratio. It’s just backwards from the way we think, if you have a 4.10 ratio and need better fuel mileage you would switch to a 3.42 or 3.73 gear ratio. If you have a 3.42 rear end ratio and need more towing power you would switch to a 4.10 ratio.

What is the best rear end ratio for towing?

If you have a 3.42 rear end ratio and need more towing power you would switch to a 4.10 ratio . If you have installed larger tires, they rob performance, and you would want to go to a lower ratio like a 4.56 or 4.88 depending upon your tire diameter.