Driveshaft Question

davbell22602 · Post by **davbell22602** » Tue Mar 20, 2012 2:30 pm

Are both 2 piece driveshafts on a manual 3psd column and automatic C6 completely different in length? Will one of the 2 piece driveshafts interchange with either transmission?

davbell22602 · Post by **davbell22602** » Wed Mar 21, 2012 5:39 pm

Anybody?

basketcase0302 · Post by **basketcase0302** » Wed Mar 21, 2012 6:57 pm

Dave,
I would have to guess that they are different in length.
Our automatics are usually longer than a standard tranny bolted behind a clutch.

davbell22602 · Post by **davbell22602** » Wed Mar 21, 2012 7:55 pm

Is the driveshaft on the rearend the same length? I was told the front driveshaft is the one thats different in length for automatic and manual.

BobbyFord · Post by **BobbyFord** » Wed Mar 21, 2012 8:14 pm

Lengths are listed here:
F-100...> http://www.fordification.com/partnos/driveshafts_01.htm
F-250 & 350...> http://www.fordification.com/partnos/driveshafts_01.htm

davbell22602 · Post by **davbell22602** » Thu Nov 29, 2012 11:48 am

What about using a driveshaft up to a 79 truck?

Whateverman · Post by **Whateverman** » Fri Nov 30, 2012 3:46 am

If i remember correctly the steady bearing mount is the same distance from the trans as in bumpside trucks so I'm pretty sure that 73-79 ones work ,i also think that's what i'm running in my truck right now ( with the front half shortened to work with my trans)but its been while .....

davbell22602 · Post by **davbell22602** » Fri Nov 30, 2012 4:46 pm

Is the splines the same on the C4 and C6 automatic when fitting a driveshaft slip yoke on it?

hazelnut · Post by **hazelnut** » Fri Nov 30, 2012 8:00 pm

I don't think a C4 ever came with a bolt on yoke.

davbell22602 · Post by **davbell22602** » Fri Nov 30, 2012 8:29 pm

Do they both have 28 splines?

Whateverman · Post by **Whateverman** » Sat Dec 01, 2012 7:30 pm

hazelnut wrote:I don't think a C4 ever came with a bolt on yoke.

there was a truck c4 with a bolt-on yoke,but they're pretty rare compared to the average slip yoke c4's

as far as i remember you can use the slip yokes from a c4 in a c6 and vice-versa ,however the spline count on the slip yoke changed a few times over the years so your best bet is to get the slip yoke out of your donor vehicle and use it with your driveshaft

davbell22602 · Post by **davbell22602** » Sat Dec 01, 2012 7:39 pm

I was told the output shafts are different in size in diameter.

Whateverman · Post by **Whateverman** » Sun Dec 02, 2012 5:20 pm

could,be i'm pretty sure i've used a slip yoke from one with the other before
...i could be wrong tho' its been quite awhile and i was more than likely drunk or stoned at the time
...... but like i said: if you can,get the slip yoke off whatever your trans comes out of and use it with your driveshaft,then you'll eliminate potential problems...

BobbyFord · Post by **BobbyFord** » Sun Dec 02, 2012 7:13 pm

davbell22602 wrote:I was told the output shafts are different in size in diameter.

If you look at the links that I posted, the "B" measurement is diameter size.

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