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Advanced Fabrication and Engineering For when your build is going off the charts. Wildly modified vehicles and straight up buggies welcome.

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  #1  
Old August 15th, 2005, 22:26
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Lucas Lucas is offline
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Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

Here is a busted 8.25 shaft compared to my new favorite axle, the Ford 9"


And the only thing better than a niner is a shaved and trussed nine inch:


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  #2  
Old August 15th, 2005, 22:27
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

It took some time, but I experimented with different styles of welding depending on how big the gap in the housing was or what angle it was at. Here are the obligatory bead pictures.
For straight welds I used the dime style:

I did a Z-link type pattern for vertical/upside down welds:

If the gap got big, which it did, I did the push pull technique:

There was a piece of crap that fell into the gap as I was laying it down and it blew that top bubble into the bead.
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  #3  
Old August 15th, 2005, 22:27
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

Now that the housing is done, this can go into it:

Detroit Locker, Yukon 5:13s, 1330 yoke, new everything. Here is a pattern:

Backlash at .007, Pinion preload right at 16 in/lbs. Took extra time to get the tolerances that low, but I wanted to make sure it was done right.
Tomorrow I'll get a crackalakin' on the front HP fohteefour.

Let me know what you think. If this belongs in a different forum, please move it. Thanks.



More pics on this thread:
http://jeepin.com/cgi-bin/ultimatebb...;f=10;t=004908
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  #4  
Old August 15th, 2005, 22:38
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

Damn man, now I have to wipe up the drool.
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  #5  
Old August 16th, 2005, 01:48
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

Quote:
Originally Posted by theslacker
Damn man, now I have to wipe up the drool.
Thanks Any other comments/suggestions are appreciated. I'm so wrapped up in this swap I'm afraid I'll lose perspective.
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  #6  
Old August 16th, 2005, 03:00
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

I am by no means a master fabricator/welder, but those welds looks real clean. I also HATE welding upside down, but you did a damn good job. I like the truss, looks clean, and i cant tell you how many times i wish i had the knowledge to gear/lock a 9". Looks real good, definately post up more pictures as you make progress. I do have a couple of questions...

What thickness steel did u use for the truss?

Did u preheat the cast pumpkin prior to welding?


-Will
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  #7  
Old August 16th, 2005, 05:56
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

looking good man. thats what the plan is for my jeep just with 40spline and a spool. and whos disk breaks are you using?

FYI Ford 9" aint got cast iron on the housing just the 3rd member. its all steel baby!!!

Will
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  #8  
Old August 16th, 2005, 08:08
gearwhine gearwhine is offline
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

looks very cealn, but my question is...why did you have to weld upside down if the housing was bare and pulled out?

I don't like the dime style, all it is is tack welds overlapping each other, almsot no heat, the others looks very nice though. _nicko_
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  #9  
Old August 16th, 2005, 08:16
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

Nice work, good choice of tech for the welds, but is it just me or did the axle housing/tubes warp, it looks like it in the first pic
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  #10  
Old August 16th, 2005, 08:22
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Wil Badger Wil Badger is offline
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

your pinion seems to be a bit inbound from the swipe pattern i see.should be fine but i also thought shooting for the center of the tooth was your best bet and you seem to be just a bit off.sometimes you just can't bring it in and have the backlash the way you need it so there are trade offs.the rest looks good from what i see
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  #11  
Old August 16th, 2005, 08:22
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

Must be an optical illusion because of the truss. The housing looks bent.


to late
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  #12  
Old August 16th, 2005, 09:03
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

Quote:
Originally Posted by Jeepkid8037
I like the truss, looks clean, and i cant tell you how many times i wish i had the knowledge to gear/lock a 9".
What thickness steel did u use for the truss?
-Will
The nine is a super easy axle to work with. If you're ever going to gear an axle, this is the one to learn on.

Quote:
Originally Posted by Gearwhine
why did you have to weld upside down if the housing was bare and pulled out?
Not exactly parallell to the ground upside down, but depending on where on the pumpkin I was welding, if I was in a rhythm and didn't want to stop laying down the bead I had to get into some weird angles before I stopped and repositioned the housing.

Quote:
Originally Posted by COXJ
plan is for my jeep just with 40spline and a spool. and whos disk breaks are you using?
I read that some don't like the 40 splines b/c you give up bearing strength for uneccesary shaft strength. The guys at true hi-nine alloy have 35 spline FF kits.
It's sad, but I'm still using drums for now. It only cost 25 dollars to completely redo them, so for now, that's what I'll be running. I *almost* tried an explorer swap, but I think in the near future I'll try out the Maxima caliper with the built in parking brake. http://www.naxja.org/forum/newreply....eply&p=537642#

Quote:
Originally Posted by David Taylor
Must be an optical illusion because of the truss. The housing looks bent.
Yes, ummm, your eyes are decieving you. You are getting very sleepy....



Quote:
Originally Posted by Wil Badger
your pinion seems to be a bit inbound from the swipe pattern i see.should be fine but i also thought shooting for the center of the tooth was your best bet and you seem to be just a bit off.sometimes you just can't bring it in and have the backlash the way you need it so there are trade offs
This isn't an illusion. The pattern is a little towards the toe but the important part is getting centerd face to flank. As you said, it's probably a little toeside b/c the BL is so low. Also I should point out that the contact pattern on the nine inch is HUGE, as in bigger than a Dana 60.
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  #13  
Old August 16th, 2005, 09:34
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David Taylor David Taylor is offline
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

On my old nine I had the 11" drums. they worked great. The new axle has
explorer disk and I can't tell any difference.
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  #14  
Old August 16th, 2005, 10:35
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

This definatly looks warped, you should have taken your time on the welding to prevent the warping, have to keep it cool

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  #15  
Old August 16th, 2005, 17:51
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Re: Pics Pics Pics of more nine inch stuff. How's my welding/setup/etc?

Quote:
Originally Posted by Lucas
And the only thing better than a niner is a shaved and trussed nine inch:
And why did you truss you nine?
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