'87 TII LSD Rear Differential Broke During Shipping - Please Look and Comment
#1
'87 TII LSD Rear Differential Broke During Shipping - Please Look and Comment
Okay, I bought a nice low mileage rear end and the shipper wrapped it in plastic wrap.
Here's the damage-
I am pissed but this thread is more about moving forward.
Could this be fixed with a welder, I can't weld aluminum myself so I would be paying to have it done, but is it possible to just weld it back together. The break is clean, no missing metal.
Or the other option is to swap some pieces from my other LSD. What would be the easiest way to fix it with a spare LSD, should I swap all of the internals into the old housing or can I just replace the broken rear section and leave the internals together??
Thanks for any advice or input.
Here's the damage-
I am pissed but this thread is more about moving forward.
Could this be fixed with a welder, I can't weld aluminum myself so I would be paying to have it done, but is it possible to just weld it back together. The break is clean, no missing metal.
Or the other option is to swap some pieces from my other LSD. What would be the easiest way to fix it with a spare LSD, should I swap all of the internals into the old housing or can I just replace the broken rear section and leave the internals together??
Thanks for any advice or input.
#4
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Im sure it could be welded. You would want to make sure it got welded all the way through and then smooth it up. Dont really know about strength but it should almost make it stronger. Also who shipped it as i have one in the mail right now? I really hope mine doesnt show up like that. That really sucks. Thats why i hate shipping ****. Just got my tokicos yesterday and the damn boxes were all beat to hell. Its amazing how they handle some stuff.
#5
Yani. yeah I just read here:http://www.teamfc3s.org/main/factory...REAR_AXLES.pdf
and realized that it does indeed come apart like I was hoping. I already have another casing with new Mazdatrix competition bushings already pressed in, I guess I'll just switch the casings when I swap the diff this weekend.
I might very well buy the aluminum kit for my wire feed and try to weld it myself, more as a learning project than anything else, I can weld steel okay now and have been wanting to try aluminum but I haven't had a reason until now. The diff I will be getting the donor casing from is supposedly rebuilt but it has been whining so I might try to fix this casing and use with the other whining diff if I ever get around to it.
EDIT- I have actually heard of this very thing happening on here before.
and realized that it does indeed come apart like I was hoping. I already have another casing with new Mazdatrix competition bushings already pressed in, I guess I'll just switch the casings when I swap the diff this weekend.
I might very well buy the aluminum kit for my wire feed and try to weld it myself, more as a learning project than anything else, I can weld steel okay now and have been wanting to try aluminum but I haven't had a reason until now. The diff I will be getting the donor casing from is supposedly rebuilt but it has been whining so I might try to fix this casing and use with the other whining diff if I ever get around to it.
EDIT- I have actually heard of this very thing happening on here before.
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#10
I'm just gonna switch the casing for right now, it'll be quick and my donor casing already has my new competition mounts pressed in.
But I would eventually like to try to fix it as my first real aluminum welding job, that is after some practice with the aluminum kit though/
But I would eventually like to try to fix it as my first real aluminum welding job, that is after some practice with the aluminum kit though/
#11
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oh man was that a shitty day, we must use the same shipping company, or buy from the same seller
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/rear-end-no-like-being-packed-peanuts-684669/
Matt
https://www.rx7club.com/2nd-generation-specific-1986-1992-17/rear-end-no-like-being-packed-peanuts-684669/
Matt
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I talked the guy I bought it from into giving me half back, it was like 220 shipped and a hundred to ship it (think i got a pretty good deal anyway) although he spent about four dollars of that hundred in actual shipping.
Anyways got like sixty bucks back and at the moment its chilling in the garage while I contemplate trying to find just a "housing" for it or try to see if anybody can weld it strong enough to hold up. After talking to a few welders it seems with a good welder and maybe some gusseting it will be as strong if not stronger.
Hope that works out for you though, sucks people don't use common sense sometimes.
Matt
Anyways got like sixty bucks back and at the moment its chilling in the garage while I contemplate trying to find just a "housing" for it or try to see if anybody can weld it strong enough to hold up. After talking to a few welders it seems with a good welder and maybe some gusseting it will be as strong if not stronger.
Hope that works out for you though, sucks people don't use common sense sometimes.
Matt
#15
My job is to blow **** up
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8 cardboard boxes( cut and resized) and a roll of duct tape always did wonders for me, i shipped out 2 and shipped one from myself to myself 1000 miles, came back fine.
the one time let ups package a rotor iron, packing peanuts in the water jacket and oil inlet, ******* dumb asses i sware.
the one time let ups package a rotor iron, packing peanuts in the water jacket and oil inlet, ******* dumb asses i sware.
#18
Yeah I'm not touching the guts, they will stay intact in the carrier. I'm only going to pull out the stub shafts and unbolt the casing. I'll put some sealant on and bolt my other casing on, reinstall stub shafts and install the new rear end in the car.
I do not think back lash is affected by simply switching the rear casing.
I do not think back lash is affected by simply switching the rear casing.
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Here is a picture of an NA diff & a T2 diff. Yours does not look like it has all the ribs that this shows and all my T2 diffs have. I'm am not familiar with what anything beyond 87 looks like though since all I've had are 87s.
#21
I wish I was driving!
I might very well buy the aluminum kit for my wire feed and try to weld it myself, more as a learning project than anything else, I can weld steel okay now and have been wanting to try aluminum but I haven't had a reason until now. The diff I will be getting the donor casing from is supposedly rebuilt but it has been whining so I might try to fix this casing and use with the other whining diff if I ever get around to it.
EDIT- I have actually heard of this very thing happening on here before.
EDIT- I have actually heard of this very thing happening on here before.
For Welding aluminum with a MIG (without a spoolgun), use 100% argon shield, 0.035" wire with 0.045" tips (aluminum expands a lot when heated and will get jammed in a 0.035" tip, causing bird-nesting), replace the liner with a teflon coated 0.045 liner, set the tensioner as low as possible, ensure the aluminum is spotlessly clean (use something like alumibrite and an aluminum-dedicated stainless steel wire brush) and crank up the shielding flowrate. You will want to preheat to 350 degrees, and use the push gun technique to put in as much preheat as possible. I have had success with 24V@ 450-500 IPM.
You will also want to have some form of post-flow system attached if your welder does not allow it. Pulsed MIG is also a huge help, as is a spoolgun.
#22
It's supposed to be an '86 TII LSD, it has the LSD tag.
I don't recall the GXL having a tag on it's diff but I can't be sure.
Now you got me worried about something else.
I'll measure the axle stub bolt pattern when I get home.
scathcart, thanks for the heads up on the welding. I will admit that I'm only proficient in flux cored wire fed welding on steel, I do not even have the gas rig for my Lincoln yet. Do they make flux cored aluminum wire or is the only way to do it with gas? I'm open to learning the full MIG way but I am not there yet.
#24
ebdyguy, I think you may be right but I am confused.
From Kevin Landers website theres a pic where you can see the turbo and NA diff sitting side by side. You can clearly see the difference in the bolt pattern on topside of the carrier. The TII diff has four bolts while the NA has three.
The turbo diff is on the left -
Close up Turbo-
Close up NA-
Here is the differential that I was sold, same bolt pattern on the topside of the carrier and the rest of the diff even looks the same as the NA:
But the casing looks different than the NA casing.
So based on all the evidence here, I am drawing the comclusion that this is a NA diff.
It was sold as a "S4 Turbo II rear end - low miles (approx. 50k), LSD"
Here's the for sale thread in the Classified section.
https://www.rx7club.com/showthread.php?t=734680
It even says 86 on it.
again please. This is crazy.
From Kevin Landers website theres a pic where you can see the turbo and NA diff sitting side by side. You can clearly see the difference in the bolt pattern on topside of the carrier. The TII diff has four bolts while the NA has three.
The turbo diff is on the left -
Close up Turbo-
Close up NA-
Here is the differential that I was sold, same bolt pattern on the topside of the carrier and the rest of the diff even looks the same as the NA:
But the casing looks different than the NA casing.
So based on all the evidence here, I am drawing the comclusion that this is a NA diff.
It was sold as a "S4 Turbo II rear end - low miles (approx. 50k), LSD"
Here's the for sale thread in the Classified section.
https://www.rx7club.com/showthread.php?t=734680
It even says 86 on it.
again please. This is crazy.