call local driveshaft shop find out how much it cost to retube the driveshaft using exsisting u joints at the trans and at the diff it cost me 150 for it so a viable option. and its serviceable but not really worth it when the bearing is $40 and the headache of trying to change it.
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As for the 12-pack, I noticed your 18...be careful cause a 12-pack of those energy drinks and you'll be shaking like a dog shitting razor blades.