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what do you make of this?

Drone637 said:
When you cyro treat a gear set, it is more likely to shatter. You are increasing the strength but you also make it more brittle then before.

But hey, I've cracked gears with 45hp and 33's on a Sammy front end, so what do I know. :P
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zukkev said:
Drone637 said:
When you cyro treat a gear set, it is more likely to shatter. You are increasing the strength but you also make it more brittle then before.

X2; This is true....
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Thats why they are tempered after the cryo. Bobbys gears- heat treated AND cryoed. I bet the reason bobbys gears are not for street use is that they are likely softer and less brittle, therefore able to take more impact and shock like a comp rig. Cryo= wear resistance, stress relief, very slight increase in hardness if not tempered.

Another thing to consider is that gears that are treated for impact are going to wear out more quickly. 2000 miles are a lot of miles for gears that are really not meant to be on the street, your old gears were hard and had good wear properties for the street. Were those gears broke in? What does the pattern on the remaining teeth look like up close, smooth surface finish?

Some reading: http://www.thefabricator.com/ToolandDie/ToolandDie_Article.cfm?ID=277
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24 posts and still trying to Blame someone.. get over it

Gears Break :wtf:


and toyota gears at that, there tiny
 
With that much damage you can't pin this on the install. It may or may not have been put in right. Bottom line is it's a toyota diff with 38's trying to pull another rig when it's marginal that it could pull itself. Breaking parts is part of wheeling, fix it and get over it.
 
why dont you fullsize kids shut your mouths about how week toyota parts are? just cause you have to compensate for your small parts doesnt meen i have to listen to your ****.
 
Oh gimme a fawkin break..... Im a yota guy to the core so you can't call me a full size kid. Hell I run 42's on my yota stuff so I totally expect stuff to break. You should too, shiat happens obviously so get over it. Oh and yota r&p's are retardedly weak compared to a lot of axles out there especially with anything above 35's....:kiss:
 
been runnin bobbys yukins for 3 years and i beat my ****. 38's 529s welded rear and locked fron i aint ever broke even when pullin on a full size rig. :Acheers:
 
uhohhotdog151 said:
why dont you fullsize kids shut your mouths about how week toyota parts are? just cause you have to compensate for your small parts doesnt meen i have to listen to your ****.
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You're in denial. If your yota junk wasn't so weak then you would never hear about it. Fix your junk and get over it or better yet sell your junk and your computer so we never have to hear you again.:rolleyes:
 
Toyota components weak? You guys don't know what the hell you're talking about. Issuing such a blanket statement is pretty retarted.

Say I had to save my life by completing a difficult trail, in terms of it being possible to finish with a stock 4x4. Give me a choice of the "best" 15-25 year old completely STOCK off-roader (truck, Jeep, SUV) from every manufacturer and I'll take a ****ing Toyota any day of the week.
 
mthompson223 said:
Toyota components weak? You guys don't know what the hell you're talking about. Issuing such a blanket statement is pretty retarted.

Say I had to save my life by completing a difficult trail, in terms of it being possible to finish with a stock 4x4. Give me a choice of the "best" 15-25 year old completely STOCK off-roader (truck, Jeep, SUV) from every manufacturer and I'll take a ****ing Toyota any day of the week.
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Right... but that's stock. He's running large tires, aftermarket gears with a small pinion, putting the truck through things it wasn't ever designed by Toyota to do. The parts aren't weak, and I'm not gathering from the responses that anyone's saying that. Breaking stuff when you're wheeling and/or driving a wheeling rig on the road or anywhere else is a fact of life... it's not stock, it's usually modified beyond what it was originally engineered for, and **** happens.

Oh yeah, and the gears are 5.29's :redneck:

TO ALL: I left all the comments in this thread, but you guys need to settle down on the insults and attacks. Chill out, it's just the Internet... not everyone agrees with everyone elses opinion.
 
I'll be the last one to say yota stuff is weak. Hell other than a handfull of parts I can walk into a yota dealership and buy my stuff directly from them. But its just a fact of life that putting THAT much strain on such a small surface area on a ring & pinion will break it. Sorry it happened but its the way it goes.

Ive busted well over a dozen sets of yota gears so I know what it takes to bust them for a fact. So I dont want anyone to think Im talking out my ass on this one...


Matt my opinion is the only one that matters here, havent you figured that out yet? :redneck:
 

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