How much difference does weight reduction make?

A general rule of thumb is for every 10 percent reduction in weight has a comparable 10 percent reduction in the force required to accelerate or decelerate an object. The same applies for an automobile. To break it down in quarter-mile drag racing, every 100 lb removed from a vehicle equals [approx.]

Does weight reduction increase horsepower?

Roughly for every 100 lbs, it will equal 10rwhp for cars weighing 3000-4000 lbs.

How do I make my car weigh less?

  1. Remove or swap heavy electrical components.
  2. Fit lighter body panels.
  3. Replace glass windows with polycarbonate.
  4. Lighter wheels.
  5. Put less fuel in your tank.
  6. Lose bodyweight/friends. Image source: Magnus D on Flickr.

How do cars reduce race weight?

An easy way to lose weight is by swapping out interior parts of the car for lighter versions better suited to racing. Removing the back seats and passenger seat, as well as replacing your own with a lightweight racing seat, removes a good 200 pounds from the weight.

How much faster does weight reduction make you?

Experts note that you’ll be able to run about two seconds faster per mile for every pound that you lose. This means that if you lose 15 pounds, you’d run about 30 seconds per mile faster, cutting a 5k time by a minute and a half just from your weight loss or a marathon time by 13 minutes.

How many horsepower is 100 lbs?

100 lbs = 10 hp = one tenth (0.10) of a second off of the 1/4 mile time.

Does weight reduction improve MPG?

The EPA says that for every 100 pounds taken out of the vehicle, the fuel economy is increased by 1-2 percent. Eliminating ten percent of the weight provides a 4.1 percent mileage boost and a dramatically significant twenty percent weight decrease improved fuel economy by 8.4 percent.

How many pounds equal a horsepower?

100 lbs = 10 hp = one tenth (0.10) of a second off of the 1/4 mile time. Therefore, 10 lbs = 1 hp = 0.01 of a second off of the 1/4 mile time. Quote: I remember someone saying 1hp loss per 10lb of weight, so 180lb passenger equal to 18 HP loss net effect.

Are lighter cars faster?

It’s clear that a lighter car requires less force to accelerate than a heavier one. With a heavier car of the same power you have to accelerate for longer to cover the same distance so you use more fuel.

Is it easier to run after losing weight?