Why do car and truck manufactures make brake rotors so thin now?

Question

I remember back when you could have your rotors turned 4 or 5 times before you had to have them replaced, now it's like you have to replace them on your first brake change. I don't know about you, but I smell a rat here.

Answer 1

its called wear out fast replace fast.

Answer 2

Less expense in manufacture, - more frequent replacement (increased profit again). When you buy replacement,- you may not notice any price diffeence in retail price though!

They will tell you less vehicle weight ( as if they weighed much to begin with) which makes quicker acceleration (hp/weight ratio), -and better gas mileage. Hey,- just think how much more mileage you get by making the car about 2 pounds lighter!

Answer 3

If you have a Ford, its probably made from the cheapest parts that will do the job. The Dodge Rams parts are about twice as big as the competitions. Otherwise, I guess its just to make more money.

Answer 4

Less rotating mass. Lower unsprung weight. Lower cost.

Answer 5

Lighter weight for higher MPG and lower cost.

Answer 6

dodge man is right with the addition that thinner means better heat dissapation reducing break fade

Answer 7

there making them out of better metal these days,,so there can make them a little thinner..if you,ll notice the pads are a little thicker,,in the end it all balances out good,hope this help,s.

Answer 8

You are right - it's a rat. His name is MONEY.

Answer 9

to make less rotating mass makes it easier for you to accelerate, less fuel- better mpg....