diff welding write ups??
02-28-12, 10:31 PM
#3
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yea i had to ask around to figure this out myself.. especially since i just tried welding the spider gears only to realize it still didnt act like a welded diff, LOL you need to weld the spiders to the casing it sits inside of. here's a picture my friend drew for me (pardon the ms paint skills)
basically i took the diff housing, put the gears/gear housings inside of it (to make sure things were lined up) tack welded the housing to the gear (outside where you see the splines) flipped it over, did the same, made sure everything fit right, and welded it up, again inside of the housing to make sure things didnt get misaligned. everything is a tight fit so i imagine if you let things get moved around you're boned and it wont fit.
basically, take the clutch discs out, and welded where the discs were.
basically i took the diff housing, put the gears/gear housings inside of it (to make sure things were lined up) tack welded the housing to the gear (outside where you see the splines) flipped it over, did the same, made sure everything fit right, and welded it up, again inside of the housing to make sure things didnt get misaligned. everything is a tight fit so i imagine if you let things get moved around you're boned and it wont fit.
basically, take the clutch discs out, and welded where the discs were.
02-28-12, 10:51 PM
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yea i had to ask around to figure this out myself.. especially since i just tried welding the spider gears only to realize it still didnt act like a welded diff, LOL you need to weld the spiders to the casing it sits inside of. here's a picture my friend drew for me (pardon the ms paint skills)
basically i took the diff housing, put the gears/gear housings inside of it (to make sure things were lined up) tack welded the housing to the gear (outside where you see the splines) flipped it over, did the same, made sure everything fit right, and welded it up, again inside of the housing to make sure things didnt get misaligned. everything is a tight fit so i imagine if you let things get moved around you're boned and it wont fit.
basically, take the clutch discs out, and welded where the discs were.
basically i took the diff housing, put the gears/gear housings inside of it (to make sure things were lined up) tack welded the housing to the gear (outside where you see the splines) flipped it over, did the same, made sure everything fit right, and welded it up, again inside of the housing to make sure things didnt get misaligned. everything is a tight fit so i imagine if you let things get moved around you're boned and it wont fit.
basically, take the clutch discs out, and welded where the discs were.
02-28-12, 11:20 PM
#7
talking head
our diffs are front loading banjo type so the have to come out and sit on the floor
the rear loading type of diffs like the are much more of a pain in the setup though
the trick is to leave axles in when you drop in the plate else it may drop low,,, or spatter may get into the splines
and you also have to spot weld the back of the spider shaft to the case and be sure the weld is not so high to stop it rotating in the case
PS welding is messy no matter whet due to oil the contamination
you can choose a strong mig or and arc
and using some penetrene spray ( oil based ) will help the weding process and help the spatter not to stick
hilux toyo G diff is pictured ,, our diffs are very similar inside
the rear loading type of diffs like the are much more of a pain in the setup though
the trick is to leave axles in when you drop in the plate else it may drop low,,, or spatter may get into the splines
and you also have to spot weld the back of the spider shaft to the case and be sure the weld is not so high to stop it rotating in the case
PS welding is messy no matter whet due to oil the contamination
you can choose a strong mig or and arc
and using some penetrene spray ( oil based ) will help the weding process and help the spatter not to stick
hilux toyo G diff is pictured ,, our diffs are very similar inside
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03-06-12, 05:22 PM
#10
I finally got a weld on my rear end haha. So is it gonna break easier with a welded rear end or something orrr any drawbacks really to this... aside the fact that it drags the other tire when turning of course.
03-12-12, 10:24 PM
#12
zoom zoom go boom
If you can't weld or are just inexperienced have someone else weld it up cause proper heat penetration is important doing this. Weld fails are catastrophic.
03-19-12, 09:08 PM
#13
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I purchased an old auto diff 3.8 ratio I think that had been sitting round for years by the looks of it no axles etc. Pulled the back off it welded the spiders with an arc and haven't had any issues 3 years later of alot of track work
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