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you need some slip. A locked differential will destroy itself if it isn't driven straight forward. When you turn, the outside wheels HAVE to spin faster then the inside wheels.
i have my front and rear welded and i wouldn't trade it for nothing (except of course free Detroits or ARB's ) course this is on my trail rig that sees as much pavement as a squirrel sees the inside of a volcano! (that means never)
if it is a street driven truck you can do it but you will need to constantly rotate your tires and have an extra set of tires at home so when they go bald you can swap them out. i had my rear welded for a while on my DD and i loved it but it goes through some tires. also remember i am running 1 ton equipment, i dunno how hard it is on 1/2 ton trucks but i can imagine it ain't good!
regarding your question....that is relative to your axles! if it is a corporate 14 bolt of a Ford 9" (or any other carrier that is hard to get to) then you are better off buying the $30-$50 spool and saving your carrier. you can't get in to weld good with those axles b/c of tight spaces and small holes. if it a sterling 10.25" or Ford 8.8" axle then ya it is way easier b/c it is mostly open and you can weld a good bit.
so it really depends, throw some more info at us and let's see what we can do.
Hey Cutts, since you have done it, which is the strongest way of welding a diff, welding the spiders themselves or the carrier way? I've come to determin that welding the spiders is stronger, but more work intensive as the whole carrier must be dissamsembled.
I'm asking this cause this is what i want to do to the rear on my 81 when i swap in the dana 70 that i'm planning on getting (or the 60 if I don't get the donor truck as it will be in a neighbors auction).
I dont have much more info really...me and dad went for a hack in the 95 the otehr night...and its all stock and we couldnt make it up this hill cuz only one side would spin and I didnt want that to happen to mine..so I was wondering if weldign them up would be the easiest way around it
Hey Cutts, since you have done it, which is the strongest way of welding a diff, welding the spiders themselves or the carrier way? I've come to determin that welding the spiders is stronger, but more work intensive as the whole carrier must be dissamsembled.
I'm asking this cause this is what i want to do to the rear on my 81 when i swap in the dana 70 that i'm planning on getting (or the 60 if I don't get the donor truck as it will be in a neighbors auction).
it is definitely stronger welding the spider gears to the side gears but i have always done both! i weld to the carrier and then to the gears! that way it is doubly sure to get something to stick!
i've had 2 welds break in a welded diff but it didn't matter b/c it still didn't go anywhere. i just removed the chunk and re-welded!
I wouldn't weld a lsd take it out get an open diff, and weld it, then sell the LSD on evilbay to someone that still thinks they are the best thing since sliced ham.
when I welded up the 9" in my Bronco, I just welded everythingto everything, w/o geting any slag in the splines for the axles of course, I've fed it a hot supper or too and she's still holding good w/ that 390 raw power!...lol....but it's SOO fun, the rear end will come around effortlessly on rainy roads, and it will come around w/o warning on icy/snowy roads :/ .......but overall, it's FUN!
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