pulling someone out backwards

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Feb 15, 2010 | 09:26 PM

#46

Kirbys73F100

Elder User

Joined: Oct 2009

Posts: 933

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From: Lawrenceville, Ga

Quote:

Originally Posted by Pkupman82

I watched some dumba$$ kid blow the whole front diff assembly apart, case and all in his Chevy Z71 1500... pulling someone out in reverse.

In which case MOST people aren't running D60's front and rear and this is a perfect example of a front end (IFS) being much weaker than a rear (even though 10 bolts suck) And I do believe the OP has such a front axle. But now alpha's gonna tell us all how I'm wrong and IFS is in some BS way stronger than a straight axle rear.

Feb 15, 2010 | 09:30 PM

#47

hav24wheel

FTE Chapter Leader

Joined: May 2006

Posts: 11,273

Likes: 100

From: North Dakota

I've seen that happen on a Chevy IFS, most likely, that little stub shaft that engages the front axle into 4x4 mode broke, causing the housingg to split at the same time. It is funny to watch that's for sure.

Feb 15, 2010 | 10:00 PM

#48

fordman1090

Elder User

Joined: Nov 2006

Posts: 973

Likes: 2

From: Texas

vary well put pkupman. Its defiantly a hard subject to illustrate.

Duhh, ifs is stonger... i cant wait to do an ifs swap. im gonna run 44 boggers and have awesome flex. Its gonna be SWEEEEET!

Feb 15, 2010 | 10:05 PM

#49

Kirbys73F100

Elder User

Joined: Oct 2009

Posts: 933

Likes: 0

From: Lawrenceville, Ga

Quote:

Originally Posted by fordman1090

Duhh, ifs is stonger... i cant wait to do an ifs swap. im gonna run 44 boggers and have awesome flex. Its gonna be SWEEEEET!

Do it! Don't think, just do.

Feb 16, 2010 | 07:33 AM

#50

Kirbys73F100

Elder User

Joined: Oct 2009

Posts: 933

Likes: 0

From: Lawrenceville, Ga

Quote:

Originally Posted by alpha/omega

why not? Idiots have been putting 44s on TTB axles for years. I couldnt change their mind 5yrs ago so why try now.

That's what I'm sayin!

Technically, TTB isn't IFS though.. But you knew that.

Feb 16, 2010 | 08:28 AM

#51

Truckin4life

Street Queen to the extr3m3

Joined: Jan 2005

Posts: 4,554

Likes: 3

From: Lubbock, Texas

Quote:

Originally Posted by alpha/omega

why not? Idiots have been putting 44s on TTB axles for years. I couldnt change their mind 5yrs ago so why try now.

I keep removing sheet metal at this rate, ill let you know how it works next year. Hell ill bring the truck to sc, you borrow me some rubbers ill go drop em in some mud...

We can place bets and take vids, closest one to how many feet before the abortion of a front end gives way wins the pot...

Feb 16, 2010 | 08:53 AM

#52

alpha/omega

Post Fiend

Joined: Nov 2009

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5 lug or 8 lug rims, Don? I think I can hook you up either way.

Feb 16, 2010 | 12:52 PM

#53

Pkupman82

Postmaster

Joined: Feb 2003

Posts: 3,441

Likes: 5

From: Muskegon, MI (home)

Quote:

Originally Posted by hav24wheel

I imagine that would have something to do with it too. More than likely what grenades the case is the pinion deflecting away from the ring gear. It puts a bunch of pressure against the inboard case case half then... BANG!!! Parts go flying!

I don't know if many of you have been into one of these diffs before, they don't have bearing caps like a standard design diff. The case halves bolted together are what actually holds the diff carrier and ring and pinion in place. The case holds the preload on the carrier bearings, all the pressure under load (forward and reverse) is put right on the two case halves essentially forcing them to separate. To add to that they're cast aluminum, makes for a real strong piece huh?

I love arguing with Chevy guys about why their rail-dragging POS Z71s suck. It's really bad when you know more about their truck than they do, what can I say I've worked on enough of them! Ford TTB might not be the toughest animal out there, but I'd put it against a GM IFS anyday of the week.

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Feb 16, 2010 | 01:02 PM

#54

Truckin4life

Street Queen to the extr3m3

Joined: Jan 2005

Posts: 4,554

Likes: 3

From: Lubbock, Texas

Quote:

Originally Posted by alpha/omega

5 lug or 8 lug rims, Don? I think I can hook you up either way.

8 lugs kris....
I has a dana 50ttb... one step ahead of the 44. So how many feet should we start with?
Also are we makin runs after mass crown consumption or before?

Feb 16, 2010 | 02:59 PM

#55

housedad

Cargo Master

Joined: Mar 2005

Posts: 2,790

Likes: 24

From: Mount Royal, NJ

Quote:

Originally Posted by alpha/omega

why not? Idiots have been putting 44s on TTB axles for years. I couldnt change their mind 5yrs ago so why try now.

I just checked my book "differentials" from Randy's Ring and Pinion. They give a reccomendation of max tire sixe for a long list of axles. for the 44 tube and IFS axle as 33" for small Ujoint, and 35" for large U-joint.

These guys rebuild them by the ton,

After reading the secton on the 44's just now, I understand why Ford got away from the things and spec'ed up the Dana 50 axle for the Superduties and why so many people change them out for Dana 60's in even their Jeeps. The 44's are really weak housings.

The Superduties should never have even had the Dana 50, either.

Feb 16, 2010 | 03:02 PM

#56

Truckin4life

Street Queen to the extr3m3

Joined: Jan 2005

Posts: 4,554

Likes: 3

From: Lubbock, Texas

Quote:

Originally Posted by captain p4

crown is consumed 24/7 at the Kizer residence. Its hard to hang sometimes, but I'm pretty sure I out drank him last time down :flipoff2:

so what your saying is i need to intensify my training?
Karl, im not sure when maybe later in the summer...
My next concern is getting my junk back here when i break it...

Feb 19, 2010 | 12:32 AM

#57

nighthawk285

Posting Guru

Joined: Nov 2005

Posts: 2,442

Likes: 1

From: La Grande, OR

Well pulling someone out backwards (from the way they came in) is usually easier because they already have tracks that they can get out of. Going forwards drags them through stuff they havent been through yet, which sometimes causes all sorts of problems. Take this video for example, but there are soooooooo many things being done stupidly here, it just becomes funny. The really good part is about 2 minutes in

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