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Old 10-06-2015, 09:34 PM   #1
OlSmokey
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Driveshaft shortening

hello so i have a 72 c10, and i have a long bed with a 2 piece drive shaft, and I am converting it into a shortbed. i am also cutting the frame under the cab. so my question is, should i just remove the front piece of the two part drive shaft, and take it somewhere professional to have it shortened, or should i take out the entire driveshaft and get a shorter 1 piece drive shaft? thanks!
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Old 10-06-2015, 09:50 PM   #2
Robznob11
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Talking Re: Driveshaft shortening

Probably the same price either way. Your better off with a new one piece....
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Old 10-06-2015, 09:53 PM   #3
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Wink Re: Driveshaft shortening

The reason I say this is because my drive shaft shop won't reuse the tube .They only use the ends so they get a perfect, balanced bullet proof shaft.
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Old 10-06-2015, 10:15 PM   #4
OlSmokey
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Re: Driveshaft shortening

ohhh okay that's smart, i didn't know if they had a machine where they could easily just shorten the tube thing on it, thanks
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Old 10-06-2015, 10:21 PM   #5
brad_man_72
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Re: Driveshaft shortening

You have to take both pieces, it balanced as an assembly.
Its pretty easy to shorten a shaft, I don't know why they would need to retube the shaft.
Strip the shaft, cut the weld yoke out with a lathe, cut the tube, renstall the weld yoke, time, straighten, weld, reassemble and balance. I've done it a few hundred times.
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Old 10-06-2015, 10:30 PM   #6
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Re: Driveshaft shortening

Quote:
Originally Posted by brad_man_72 View Post
You have to take both pieces, it balanced as an assembly.
Its pretty easy to shorten a shaft, I don't know why they would need to retube the shaft.
Strip the shaft, cut the weld yoke out with a lathe, cut the tube, renstall the weld yoke, time, straighten, weld, reassemble and balance. I've done it a few hundred times.
Why run a two piece on a short bed? And a reliable shop like the one we have in Lubbock won't reuse a tube because they know the integrity of their tube and guarantee it to hold more power than you can throw at it. I mean your talking 300$ with new better than you can get at the parts store non greasable USA made sealed u joints installed , and painted pretty. A good builder also will want to use new good u joints to achieve the best balance. Just saying this is not the place to pinch a dollar. Do it right the first time and save the headache.
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.........________//__{\_____
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Old 10-06-2015, 11:27 PM   #7
OlSmokey
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Re: Driveshaft shortening

so you're saying that a brand new shortbed 1 piece driveshaft would be about $300?
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Old 10-06-2015, 11:34 PM   #8
Robznob11
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Re: Driveshaft shortening

That's what they run here. they use your yoak and ends only everything else is new
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.........________//__{\_____
,,,,,,,/__(⊙)___//___/__(O)_/

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Old 10-06-2015, 11:39 PM   #9
OlSmokey
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Re: Driveshaft shortening

oh, i might do that then, that's way less expensive than what i was expecting
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