Blown up rear end-video

Some one forgot to tell the kid at the end of the road with the 84 Olds that's been doing doughnuts on dry black top for the last couple years (a lot) that what he is doing is abuse and he is sure to end up with a pinion gear up his ass. I'm not going to hold my breath waiting for that to happen.

Drop a drive shaft before blowing a diff. Any one been to a truck and tractor pull? Some of you folks have very low expectations of your truck.

 

OK that makes 4 but still statistically insignificant. Now the howling diff...that is certainly statistically significant.

 

That wasn't abuse by no means. Shit my grandmother does better doughnuts than that in her subaru.

 

Chinese steel is plagued with impurities.Chinese steel, like most products manufactured in that country, is pure junk.When rotors were predominantly made with US steel, warped rotors were not nearly as common as it is today. I tried to find US made rotors to replace my Toyota Chinese steel ones but they don't exist.

Japanese and US steel is superior to Chinese steel.Start sourcing high quality Japanese steel and these problems go away.

 

Hard to believe that is all it took to destroy the rear diff. It's not like he was towing a skid loader while doing donuts on pavement.

 

no different than with knives.
I laugh when I see people say things like chinese made Tac force knives or the cheap chinese made gerbers are good haha.
Rather have american made steel like S30V on a spyderco.

 

That should of been nothing for that truck. Weak man, just weak

 

Common street vehicle rotors are made from cast iron, not steel.

And regarding warpage, you might enjoy reading this article.

 

I believe they are made with both. Some steel, some cast.

 

I agree, steel exists. Aluminum exists. Layered steel exists. Various specialty applications and aftermarket bins for sure.

But I've never seen any of those on common street vehicles from the factory.

My experience is limited though, because all I've ever worked on is Japanese or US. Maybe some Euro stuff comes with it?

 

Yeah that's videos been posted a while ago

 

Ummm... I looked everywhere on my '96 Miata and I can't seem to find my front diff anywhere... I must have a lemon.

Spoiler

Miatas are longitudinal RWD, dude Always have been, hopefully always will be. It's why they're so damn fun!

Anyways back on the topic of Taco diffs: I haven't seen any 4 cyl autos complain of whine (unless I missed it), and the lowly 2.7 with auto's are the only 8" rear that has 10/43 instead of 11/43... maybe it has to do with those teeth on the pinion?

 

I see what you're saying.

 

Nice catch, I submit
I don't know anything about miatas I was tryna be a dick. Maybe I should stick to cars I actually know something about
I assumed Miata was front wheel drive

 

Found this randomly online, figured it was relevant

http://www.onallcylinders.com/2012/03/30/quick-guide-to-diagnosing-differential-driveline-noises/

 

Cast iron is no longer made, what's now called "cast iron" is cast mild steel. Cast iron was very inconsistent with too much carbon.

 

From Wiki (and a pile of other places) when you Google SAE J431. AFAIK it is still the standard for brakes, and that is grey cast iron.

Gray iron, or grey cast iron, is a type of cast iron that has a graphitic microstructure. It is named after the gray color of the fracture it forms, which is due to the presence of graphite.[1] It is the most common cast iron and the most widely used cast material based on weight.[2]

It is used for housings where the stiffness of the component is more important than its tensile strength, such as internal combustion engine cylinder blocks, pump housings, valve bodies, electrical boxes, and decorative castings. Grey cast iron's high thermal conductivity and specific heat capacity are often exploited to make cast iron cookware and disc brake rotors.[3]

There's no mention of steel in any article I can find. Would enjoy reading your source.

 

Cast iron or steel the main point is in order to save a few dollars per unit auto manufacturers are sourcing less reliable base materials from China.

Stock prices go up,bonuses go up and quality continues to deteriorate.