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Drive shaft questions
I'm installing a t176 soon and will need new driveshafts. My rear pinion is
pointing slightly under the t-case output at the moment, but might change with the new tranny. Either way, I'm going to get a tom woods ds made. > With a CV type(including double Cardan), pointing the pinion directly at > the > T case is theoretically correct for the least amount of vibration, however > the needles in the U joint would never move in this case and you would > quickly get a Brinell failure. By pointing the pinion a couple of degrees > off (above or below) there is some needle bearing movement and everything > stays lubed and smooth. The price you pay for bearing life is a little > vibration. -- _____________________ HomeBrewer 76-81-85CJ7 http://85cj7.blogspot.com/ All in one Jeep |
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#2
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Tom Woods recommended that I get the double cardan and point the pinion on
the rear end just below the transfer case ( I have a HEFTY traction bar that keeps the rear from wrapping under acceleration). I will have to change the output yoke on the dana 300. They sell the required yoke for $60. The booted driveshaft was $329 and Until Dec 31st they have a 10% off deal going. They custom made the drive shaft with 1310 u joints at the dana 300 end and 1350 u joints at the rear pinion so I would not need the "*******" u joint anymore. Now I just need the 176 shifter fixed and the dana 300s seals replaced and I can put it all together. > With a CV type(including double Cardan), pointing the pinion directly at > the > T case is theoretically correct for the least amount of vibration, however > the needles in the U joint would never move in this case and you would > quickly get a Brinell failure. By pointing the pinion a couple of degrees > off (above or below) there is some needle bearing movement and everything > stays lubed and smooth. The price you pay for bearing life is a little > vibration. -- _____________________ HomeBrewer 76-81-85CJ7 http://85cj7.blogspot.com/ All in one Jeep |
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