disciplerocks's B2 build thread

[RangerSVT]

Have you pulled the cover yet?

SVT

 

[disciplerocks]

Gonna look tomorrow

 

[dangerranger83]

Okay, it's tomorrow, crack that baby open.

I don't see how you broke a 8.8 setup.

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[Hahnsb2]

I don't see how you broke a 8.8 setup.

Mini spool...

It certainly wouldn't be the first.

 

[kris97ranger]

Not to mention all the torque from a 4.0 and a doubler

 

[dangerranger83]

But just driving to work... Hopefully a ring or pinion gear didnt bite the dust.

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[disciplerocks]

Settle down people. I just got off work.

I snapped the cross pin. I have spares and would only be a 20 minute fix, but I don't have a spare diff cover. Mine won't hold fluid anymore. Plus I'm not sure if the carrier is compromised. I'll grab another since I will be diff shopping for the Focus as well on my next junkyard run.

And yes this was done at 40 mph on a straight road.

 

[kris97ranger]

Stock cross pin or a hardened one?

 

[disciplerocks]

Stock 7/8.

 

[Hahnsb2]

But just driving to work... Hopefully a ring or pinion gear didnt bite the dust.

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Mini spools put a lot of stress on the cross-pin and never unlock to relieve the stress. This is why a properly welded diff is encouraged over a mini spool, it transfers most of the force through the side gears welded to the carrier instead.

 

[dangerranger83]

I say weld it then. Yes I know it's not as easy to reverse the process if deciding to go open diff and whatnot but if your are sure you want it to stay locked, then weld it up.

Now I did read a thread awhile back on TRS about, if I remember right, a fuzzy locker or fuzzy spider gears. Should look it up.

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[kroussinoffroad]

icka. i did a similar thing to my old 27 spline 8.8 unsure of my cuase of failure since it was an open diff but the rear tire's locked uptight at 60mph on a 2 lane road. scary ride for sure and I was sure ide have to clean the drivers seat. glad you an the truck faired good.

 

[disciplerocks]

Root cause seems to be the cross pin bolt. Which caused the pin to slide and one block to fall out. Then the carrier hit the loose block locking it up and putting all the force on one end of the cross pin.

 

[RangerSVT]

You could have used duct tape around the carrier to hold the blocks in Seriously tho, did you use locktight on the pin bolt? I always use locktight just for that reason...


SVT

 

[disciplerocks]

I will from now on!