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Discussion Starter · #1 ·
hey all

my buddy (awesome welder) is going to do up my spider gears for me but he has a Mig Welder (nice Lincoln)

out of all the reasearch i have done it says to use 7018 rod.

can a MIG do it?

i dont know many people with a stick welder anymore

thanks
 

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everyone told me to use 7018's also..and havn't regreted it..yet to fail me!! They say you cant get the strength with MIG! <IMG SRC="smilies/usa.gif" border="0">
 

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Discussion Starter · #4 ·
Originally posted by 1BDYJ:
<STRONG>everyone told me to use 7018's also..and havn't regreted it..yet to fail me!! They say you cant get the strength with MIG! <IMG SRC="smilies/usa.gif" border="0"></STRONG>

its one of those really big and bad MIG though (i dont know much about welding but this thing cost him $$$)
 

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I'm no welder but I think it has to do with the size of the wire <IMG SRC="smilies/confused.gif" border="0">
I think the 7018 has a 70,000lb load rating(not sure) and I'm guessing you would need a large size wire to get that rating. <IMG SRC="smilies/confused.gif" border="0">
 

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Discussion Starter · #6 ·
Well i am running a 2.5L with 44's

Nothing Monsterish here.

I guess i should prep for the future though huh?
 

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GO FOR IT!!!!
when ya break it....GO 60,60,60,60,60,60!!
 

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Carnk up the heat and melt it in there good it should work... Good luck and be careful for splatter. <IMG SRC="smilies/thefinger.gif" border="0">
 

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I have a miller 185 that I used to weld up the spider gears in one of our demolitian derby cars a couple of years ago. It is still going strong despite being repeatedly slammed back and forth between reverse and drive usually at full throttle.
by the way you get the strength rating of a rod from its compositionnot its size. as an example the 7018 mentioned above is available in sizes from 3/32 up to at least 1/4 but they are all rated at the same strength.
 

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Somebody's smokin' crack. I used a miller 130 with .030 innershield and melted the shiat out of spiders. Just make sure you clean up well after your finished and don't arch across the bearings <IMG SRC="smilies/smile.gif" border="0">
 

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Originally posted by MAD COW:
<STRONG>Somebody's smokin' crack. I used a miller 130 with .030 innershield and melted the shiat out of spiders. Just make sure you clean up well after your finished and don't arch across the bearings <IMG SRC="smilies/smile.gif" border="0"></STRONG>
Exactly! Weld the crap out of the spiders, clean up every thing and go wheelin'
 

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I'm about to be doing this with my rear 60 and through searching i have found.
I've heard to use a 3/32 6013 at first for a small deep pass then a 1/8 7018 to fill it in. And only make 2 passes at a time and let it cool. And you weld up the 8 places where the spiders meet each other. and place the ground clamp on the carrier or closer so you don't arc the bearings or ring and pinion. and don't weld the spiders to the carrier just to themselves
This Sound right to yall.
thanks
just confirming
 

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Originally posted by RockReadyXJ:
<STRONG>And you weld up the 8 places where the spiders meet each other.
</STRONG>
Then weld the side gears to the diff case in 4 places the the spiders to the cross pin (as long as its not c-clip) then the cross pin to the diff case.
I have used MIG, TIG and ARC and the MIG is what I prefer, clean and efective. The TIG cracked along the side gears to the case and the pin to the spiders, and ARC is just too damn messy.
Just my 3.78 cents

Jon
 

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You have some tough choices. Multiple suggestions on rod. Multiple choices on method MIG,TIG, and ROD. I am surprised no one suggested gas or super glue. Some say weld side and spiders together only, not to case. Some say weld to case. I will be no help, I always assumed that a Lincoln Locker was from welding the side gears to case, who knows? The best choice from shear logic would seem to be welding the gears together, therefore not destroying the case. However, welding to the case would seem stronger. Oh well, good luck.
 

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From my personal experience, welding only the gears usually amounts to the carrier getting trashed anyway from fragged gears.The inherent slop from the gears are still depending on only the center pin to hold it together...Those pins can take out whole pigs!!! Got one to prove it!! Weld the side gears to the case and then the spiders at all connecting points Mig/tig/rod, it doesnt matter as long as you do a good job!
 
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