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How much front driveshaft slip?

Mastiff said:
The very first post of this thread has my fuzzy math (if you're not up for tearing apart your spring pack). It doesn't take much to exceed the standard shaft limits with soft leaf springs. What I realized/learned is that front leafs are the worst because as the suspension articulates with the rear shackle, it pulls the pinion down and away. Coils can have huge travel without the shaft changing much. The back of our trucks is like this because the shackle location helps keep the pinion in an arc.
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Thank you, this is the info I needed!
 
Tom Woods won't sell parts, due to liability issues.
 
climbing a dune. I had to hit it kinda hard and the transition at the bottom seems to have bottomed out the suspension and driveshaft. Not really sure what happened apart from that. Sucks. I went with this driveshaft builder due to his reputation and so far ......
 
so got off the phone with my builder. He is asking what parts people are using to get the 8 + inches of slip. He only wants to use Spicer and tells me he doesn't know where to get that slip without using agricultural or Chinese parts.
 
This is the response I got from Woods when I asked about replacing my worn slip with their X to XB setup:

splines.jpg


To the best of my knowledge, there are no manufacturers that do not use the ‘plastic’ coating on their spline stubs and they have not done so for decades. Truthfully, tests have shown that if the slip yoke & spline stub is well lubricated, the ‘plastic’ coated splines last much longer than bare steel. Ultimately though, I don’t really think the manufacturing decision was based on much more than cost, as the bare steel splines were very expensive to make.


It is for liability considerations that we do not sell any weld in components other than to qualified drive line shops. Our products liability insurance does not allow us to do so.


Assuming everything else in your drive shaft is in good working order and allowing for; the slip yoke, the spline stub, 1 universal joint, in the slip yoke, rebalancing the drive shaft and returning to you (UPS Ground, lower 48 states), the total charge for the work you request would be $185.00.
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That's probably the same slip joint I've been running. Maybe I didn't grease it often enough and being more diligent would net longer life? I can get another shaft just like I'm running brand new shipped for $300, compared to probably $210 to have Woods re-use the C/V and tubing. A local shop says they're aware of the longer blue-coated spline and can replace mine for about $150.
 
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