Close

2018-10-20

How do I tell what gear ratio my Ram 1500 has?

How do I tell what gear ratio my Ram 1500 has?

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. Simply plug your Vin number into that link.

How do I find the axle ratio on my f250?

Open 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.

Can I find my axle ratio by Vin?

Your vin tells you what gear ratio came with the truck. Your axle will have a tag that agrees, IF its original and not removed.

What axle ratio does my RAM have?

3.21

What is Ram premium axle ratio?

Ram will offer three axle ratio choices: 3.21:1, 3.55:1 and 3.92:1. The last one is packaged with the Max Tow Package and it’s the gear set attached to the configuration with the highest gross combined weight rating of 18,200 pounds; as a consequence, the largest max trailing weight listed is 12,750 pounds.

Is 3.21 axle ratio good for towing?

5) Speed range that 3.21 is better at towing: 31-38 MPH, 48-57 MPH. 6) Speed range that 3.92 is better at towing: 0-30 MPH, 39-47MPH, 58-70 MPH. 2) 3.21 has “an extra” overdrive gear: The 8th gear in 3.92 is the 7th gear in 3.21, thus effectively mean the 8th gear in the 3.21 is an extra gear to the 3.92.

What is the difference between 3.21 and 3.92 axle ratio?

From the speed 48-57 MPH, 3.21 has higher final drive ratio over 3.92 (10.10 vs 8.23) until it has to shift to 3rd gear at 57 MPH. From the speed 58-70 MPH, 3.92 has higher final drive ratio over 3.21 (8.23 vs 6.74) until it has to shift to 4th gear at 70 MPH.

Does 3.73 gears make a difference?

So, a truck with optional 3.73 gears will tow a heavier trailer than one with 3.55 or 3.21. But it will also use more fuel in all situations because the engine’s rpm will be higher. Four-wheel-drive trucks will have a ratio in the front axle’s differential that closely matches that of the rear axle.

What gear is best for fuel economy?

All cars are designed to start at the lowest gear, as that’s where you get the most power for acceleration, but driving at the highest gear will increase fuel economy. Fuel consumption will increase when you stay long at lower gears. Driving slow at the highest gear will also increase fuel consumption.

What happens if you shift from 5th gear to 1st?

It is possible you could over-rev your car to the point that some critical component lets go, which could mean a new engine. Or, you could break something in the transmission. Or, you could break a drive axle or driveshaft.

Which gear is best for driving uphill?

When you’re driving uphill, change down to a lower gear to avoid the engine struggling to give enough power. Driving downhill, you can use a lower gear to increase the effect of engine braking and reduce the risk of overheating the brakes.

Does missing out gears save fuel?

Missing out some gears saves fuel by reducing the amount of time you spend. Missing out intermediate gears helps to reduce the amount of time you are accelerating. Because fuel consumption is at its highest when accelerating this can save fuel.

Can you miss out gears?

Engineering Explained tackled the common practice in its latest episode and the short answer is yes, it’s perfectly OK to skip gears when upshifting or downshifting. When skipping a gear with a manual transmission, it should be noted the revs will take slightly longer to drop from the high revs to the lower revs.

Which driving technique will help save fuel?

Fuel-saving tips

  • Stay aerodynamic. Wind resistance increases fuel consumption.
  • Slow down. According to the AA, dropping from 80mph to 70mph could save you up to 25% in fuel.
  • Maintenance.
  • Sensible driving.
  • Drop the revs.
  • Look after tyres.
  • Reduce weight.
  • Speed bumps.

What’s most likely to increase fuel consumption?

Parts of Your Car that Affect Fuel Consumption

  1. Oil.
  2. Oxygen sensors, air filters, spark plugs, and fuel injectors.
  3. Tires.
  4. Air Conditioning.
  5. Idling.
  6. Using the Wrong Gear.
  7. Aggressive Driving.