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Old 03-03-2014, 11:36 AM   #1
TobyArnot
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Driveshaft confusion

Is the length of a driveshaft different between a long bed and a short bed? 350 vs. 400 turbo? I need some clarification quick ! !

Thanks
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Old 03-03-2014, 11:56 AM   #2
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Re: Driveshaft confusion

Yes, and yes.

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Old 03-03-2014, 12:18 PM   #3
TobyArnot
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Re: Driveshaft confusion

O.K. - What is the length of a short-bed d/shaft for a 350 vs. a 400 turbo trans???
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Old 03-03-2014, 03:22 PM   #4
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Re: Driveshaft confusion

The main housing dimensions without tail shafts are:

TH350 21.75"

TH400 24.37"

So driveshaft should be about 2.6 inches different. Hope this helps.
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Old 03-03-2014, 05:59 PM   #5
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Re: Driveshaft confusion

Quote:
Originally Posted by chiefcfd View Post
The main housing dimensions without tail shafts are:

TH350 21.75"

TH400 24.37"

So driveshaft should be about 2.6 inches different. Hope this helps.
I'm confused, a normal state for me it seems, but what's the driveshaft length for a TH350 and TH400 in a SWB C10?
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Old 03-03-2014, 06:15 PM   #6
'68 Newtricks
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Re: Driveshaft confusion

No one is going to know exactly other than yourself after you measure.
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Old 03-03-2014, 06:28 PM   #7
theredmeadow
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Re: Driveshaft confusion

I'm currently trying to replace my shaft on a longbed 350. what's the typical length for a 70 c10 350 tranny longbed front shaft coming off the tranny?
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Old 03-05-2014, 12:22 AM   #8
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Re: Driveshaft confusion

There's about a dozen places the engine and transmission can be mounted using factory parts. Unless you and another person have the same engine stands, in the same mount holes that have or have not been swapped side to side to ask.

Its best to just measure your truck.

A driveline shop can modify your shaft or build you a new one for a lot less time and money that trying to make a junkyard shaft work.
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Old 03-05-2014, 06:25 PM   #9
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Re: Driveshaft confusion

Quote:
Originally Posted by brad_man_72 View Post
There's about a dozen places the engine and transmission can be mounted using factory parts. Unless you and another person have the same engine stands, in the same mount holes that have or have not been swapped side to side to ask.

Its best to just measure your truck.

A driveline shop can modify your shaft or build you a new one for a lot less time and money that trying to make a junkyard shaft work.
Hey Brad_man_72,

Those are some points I had not considered! Thanks for the response, it was helpful!

Danny
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