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Old 02-06-2008, 05:16 AM   #1 (permalink)
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12 bolt rear-end diff question.

I have a 79 12 bolt rear diff with some sort of traction device in it (which doesn't work), I believe it's factory "gov-loc" limited slip. Haven't had the lid off in years, but I wonder if anyone knows If I can insert a MINI-SPOOL inside the Gov-Loc, or diff carrier at all?
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Old 02-06-2008, 05:17 AM   #2 (permalink)
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no. open carrier only.
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Old 02-06-2008, 05:43 PM   #3 (permalink)
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no. open carrier only.
shit. That's what I thought. thanks.
Anyone have much luck welding them up?

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Old 02-06-2008, 06:12 PM   #4 (permalink)
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yup
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Old 02-06-2008, 06:28 PM   #5 (permalink)
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You could weld the spiders but I'd be careful. What sized tires are you running? Lot of HP? I wouldn't start dumping money into the 12 bolt. Search around and see what is available for upgrades within your budget.
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Old 02-06-2008, 06:30 PM   #6 (permalink)
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Buying a red star will help in the searching and help the site.
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Old 02-06-2008, 08:31 PM   #7 (permalink)
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Thanks you guys. I am of the mind to not spend lotsa bucks into either the front nor rear axle. Right now my sits at around 4000 lbs & I plan on keeping it as light as possible. I have also switched to a very narrow rim to work with narrow tires. Currently running 34x9.5 ss.narrow super swampers. may go taller (35.5"x10.5").

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yup
Would you mind sharing any advice as to where to weld? Perhaps filling me into what tires you run & type of wheeling you've tried?
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Old 02-07-2008, 05:12 PM   #8 (permalink)
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weld the gears together, weld the gears to the carrier.

what gear ratios ?

i have a fully welded 3.08 carrier, i think 3.54 3.42 also use this carrier, not 3.73
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Old 02-07-2008, 06:02 PM   #9 (permalink)
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weld the gears together, weld the gears to the carrier.

what gear ratios ?

i have a fully welded 3.08 carrier, i think 3.54 3.42 also use this carrier, not 3.73
Hey Man,

That would be really cool. I'll give ya a PM.
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