How do I know what Ford differential I have?
How do I know what Ford 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 find out what gear ratio my Ford truck has?
How Do I Find the Axle Ratio and Limited Slip of My Ford Vehicle?
- Locate the Safety Compliance Certification Label on the driver’s side front or rear door panel.
- Find the word AXLE under the bar code.
- Find the two-digit code under AXLE.
What axle does my f250 have?
For the 2017-2019 F-250, the front axles are still a 35 spline Dana 60 axle. In the back, the 10.5” is still standard but trucks fitted with the Heavy Duty Towing Package are set up with a Dana M275 axle.
What do differential numbers mean?
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. Technically, the number should be expressed as a ratio, such as 3.55:1, meaning the drive shaft turns 3.55 times for each turn of a wheel.
What do the numbers on a differential mean?
What gear ratio is best for towing?
FACT: A 4.10 axle ratio is ideal for towing heavy loads in a mix of city and highway driving and when towing on varied or steep grades. A 4.10 axle ratio will provide improved acceleration in stop and go city traffic.
How do you read Dana axle tags?
The BOM stamp (2) or Axle Identification Tags (2A) are used to identify Dana axles / differentials. The BOM will identify the model number, the gear ratio, the type of axle / differential, and component parts. Traditional BOMs are 6 digits followed by 1 or 2 digits, and start with the numbers 60 or 61.
How do you read a Dana tag?
DANA SPICER BOM NUMBERS
- Traditional BOMs are 6 digits followed by 1 or 2 digits, and start with the numbers 60 or 61. On some tags, the first 2 digits won’t appear on the tag, but they must be used to identify the axle.
- Later BOMs can start with the first 3 digits 200, but these are not typically dropped from the tag.
Are 410 gears good for highway?
Installing 4.10 gears improves the car’s performance on the track but with negligible effects to the highway driving. If your car is equipped with an overdrive, you may not even notice a difference in gas mileage with the new higher gearing.
What gear ratio is the fastest?
In the real world, typical street machines with aspirations for good dragstrip performance generally run quickest with 4.10:1 gears.
What does the Ford differential tag look like?
Ford differential tags are very straightforward, as indicated above. The Month of Manufacture uses the following format: GM Vehicles come with a RPO code tag, usually located in the vehicles glovebox or door jamb. These tags have a wealth of information about your specific vehicle’s equipment and specifications.
How do you identify a Dana rear differential?
The most accurate differential identification is provided by the bottom line of the tag number or axle tube stamp. Differential tags can easily be used to identify Dana and Ford differentials. The Bill of Material (BOM) number is used to identify Dana differentials.
What does sterling mean on the rear axle tag?
The “Sterling” means it was manufactured in the Ford axle plant in the little town of Sterling, Michigan. The only numbers on the axle tag that mean anything to most of us is the “3L73 10 5″ at the beginning of the second line. That tells you that you have a 3.73 axle ratio with limited slip and a 10.5” ring gear.
What is a BOM number on a Dana differential?
The Bill of Material (BOM) number is used to identify Dana differentials. The BOM will identify the model number, the gear ratio, the type of differential, and all component parts. Traditional BOM’s are 6 digits followed by 1 or 2 digits and start with the numbers 60 or 61.
