Chevy gear ratio chart
Using the chart first cross reference your current gear ratio and tire diameter to find your approximate RPM at 65 MPH. A simple formula to calculate Gear Ratio or Axle Ratios.
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The chart shown below shows RPMcalculations at 55 MPHfor various combinations of final Gear RatioandTire Diameter.
. To find the axle gear ratio of any GM vehicle locate the RPO sticker typically located in the glove box and write down any codes starting with F G or H. If you take a few moments to study the gear chart for your transmission and rear end ratio combination you will see why this product is so popular. You will need to know that there are different series of differentials series two and three.
4L80E 1991-Later bellhousing pattern - Chevrolet 6L80E 2006-Later w removable bellhousing 6L90E 2006-Later w removable bellhousing Splines output shaft Pan Bolts number of. If your looking for more power or performance you would switch to a lower ratio. The chart below will assist you in finding your new gear ratio needed to give you optimal performance.
55-57 Ratio Calc Gear ratio calculator for your Chevrolet Vehicle Information Numbers must be entered as decimals example 71 14 would be entered as 7125. 152 rows GM RPO Codes or General Motors Regular Production Option codes contain lots of valuable information about your GM vehicle. We can demonstrate this with the simplified formula.
The axle ratio is derived from dividing the number of teeth on the ring gear by the number of teeth on the pinion gear. June 27 2022 Amazing Chevrolet Small Block 283. Find all of the gear ratios available for your vehicle in our Application Guides or call our staff of differential experts at 800 510-0950 for LIVE help.
Then reference your new tire diameter with your choice of RPM. All Chevy back ends may be recognized by referencing the gasket form to a chart identical with the one available on Drivetrains differential recognition site. This is a very helpful guide to.
Identify your GMC or Chevrolet rear end gear ratio. Gear Calculatoris available on RICHMOND website. Then find those codes in the table.
Drivers switch rear-end gear ratio to improve gas mileage and overall power performance. For a 373 ratio there may be 41 teeth on the ring gear and. West Coast Differentials stocks a huge.
Dustin Rowe June 23 2022 Chevrolet. With the exception of truck. Rpm mph x final gear ratio x 336 tire diameter see Formulas for Success sidebar.
Originally gear ratios ranged from 241 through 410. Finally Type-4 differentials have the thickest. Type-3 carriers have a thicker ring gear-mounting location and are designed for use with original gear ratios ranging from 308 to 373.
Transmission Gear Ratio Chart Gear Ratios are listed for many popular transmissions. This chart is based on a drivetrain running at a 11 gear ratio at 65 MPH using a. Newest April 24.
For example given 65 mph a tire. Its just backwards from the way we think if you have a 410 ratio and need better fuel mileage you. Where Athe first number static reduction BiGear diameter BfRing Gear diameter Cf Crown Wheel dia final.
The gear ratio codes are located on the front passenger side of the differential as. The Final Drive Ratio shows you how. Chevy Rear End Gear Ratio Chart.
Using the charts below you will be able to learn alot about the rear differential in your classic full size Chevy.
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