JBA Steel D30 - Break-in update

dgeist · **Posted:** Tue May 11, 2010 5:05 pm

bugnout wrote:

tommudd wrote:

If you look the original hole in the cover would not be accessible due to the mount being in the way, so a second fill hole was added to be easier.
Or at least thats what I am seeing :wink:

Thats correct. The new extended bung on the left is the new fill. A new drain was added to bottom.

I can see it now on my "big screen" PC. That's what I get for asking questions about photos after viewing them on the netbook

bugnout · **Posted:** Wed May 12, 2010 10:26 pm

should be back on the road this weekend. Stay tuned.

dieselenthusiast · **Posted:** Thu May 13, 2010 12:26 am

Subscribing to learn.....

bugnout · **Posted:** Fri May 14, 2010 10:58 pm

2mopar_diesels · **Posted:** Sat May 15, 2010 12:43 am

Gee, something about that looks vaguely familiar??? Looks good!!!!! It still takes a slight mod of the mounting bracket for the oil fill though, not much of a big deal. How did it clear the oil pan and cross member?

MojaveKJ · **Posted:** Sat May 15, 2010 1:07 am

That thing is beautiful, plain and simple.

bugnout · **Posted:** Sat May 15, 2010 9:37 am

2mopar_diesels wrote:

Gee, something about that looks vaguely familiar??? Looks good!!!!! It still takes a slight mod of the mounting bracket for the oil fill though, not much of a big deal. How did it clear the oil pan and cross member?

Both spots look like they have enough clearance, We will see once I've put some miles on it. My mechanic said the install was a breeze. The only issue was having to cut the front bracket to clear the fill.

I won't get it back until Monday, needed a new drivers side front wheel bearing.

67Customs · **Posted:** Sat May 15, 2010 10:28 am

dieselenthusiast wrote:

Subscribing to learn.....

Same for me.

Diggerfreek · **Posted:** Sat May 15, 2010 11:36 am

looking sharp :mrgreen:

2mopar_diesels · **Posted:** Sat May 15, 2010 1:24 pm

bugnout wrote:

2mopar_diesels wrote:

Gee, something about that looks vaguely familiar??? Looks good!!!!! It still takes a slight mod of the mounting bracket for the oil fill though, not much of a big deal. How did it clear the oil pan and cross member?

Both spots look like they have enough clearance, We will see once I've put some miles on it. My mechanic said the install was a breeze. The only issue was having to cut the front bracket to clear the fill.

I won't get it back until Monday, needed a new drivers side front wheel bearing.

About the same as what my mechanic said!!!

bugnout · **Posted:** Mon May 17, 2010 6:03 pm

Its in

Got about 40 miles on it, runs quiet and smooth. Now I've got to put some break-in miles before I use the locker.

stumpjumper_09 · **Posted:** Mon May 17, 2010 7:22 pm

67Customs wrote:

dieselenthusiast wrote:

Subscribing to learn.....

Same for me.

i'll take that for an excuse

STINGN · **Posted:** Tue May 18, 2010 12:23 pm

can't wait to see this thing!!! hope you goto fudruckers or my m&g on july 31st

bugnout · **Posted:** Tue May 18, 2010 4:30 pm

STINGN wrote:

can't wait to see this thing!!! hope you goto fudruckers or my m&g on july 31st

I plan on being there. :CAMPING:

bugnout · **Posted:** Mon May 31, 2010 9:45 am

Put about 1500 miles on the new diff, changed the gear oil at 900 miles and took it off road a little bit.
my observations :
Gears have smoothed out significantly after break-in and the whole diff is rotating with little resistance. The initial tightness from a freshly built diff is no longer noticeable.

2WD - absolutely quiet and smooth under no-load

Full Time 4WD - Smooth and quiet up to 65 mph, got a little gear noise above 65. Discovered I was running the front tires about 5 psi lower than the rear. Once that was corrected, no longer heard any gear whine.

Part Time 4WD and 4LO - absolute confidence that this chunk is not going to blow up.

JBA Steel D30 - Break-in update

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