slip and bolt ?

hotrod ford · Post by **hotrod ford** » Fri Feb 22, 2008 9:24 pm

what exactly is the differance bewteen the two driveshafts? i was talkin to fordman and he brought it up. i started to think about it and never knew there were different types. can someone show the difference betewwn the two? thanks

fordman · Post by **fordman** » Fri Feb 22, 2008 9:30 pm

the slip shaft has a shaft that goes into the transmission. the bolt on yoke is a ujint that bolts to the yoke already sticking out of the transmission.

hotrod ford · Post by **hotrod ford** » Fri Feb 22, 2008 9:50 pm

so this should be the slip yoke then?

http://i180.photobucket.com/albums/x115 ... 1203734976

fordman · Post by **fordman** » Fri Feb 22, 2008 10:18 pm

no thats a bolt on yoke. because it has the bolts on it. the slip in yoke just has the ujoint that holds the yoke to the driveshaft. and that yoke slids into the transmission. here is a slip joint shaft.

hotrod ford · Post by **hotrod ford** » Fri Feb 22, 2008 10:33 pm

so how does the slip work? when i looked at the pic i did not see any teeth for the yoke to catch in the tranny. how does the tranny turn the driveshaft when its slick?

wt4speed#2 · Post by **wt4speed#2** » Fri Feb 22, 2008 10:43 pm

The slick area is the seal srface the slip yoke is splined on the inside.If you look raelly close at the bottom of the pic you can see a slight sign of the splines in the yoke.

hotrod ford · Post by **hotrod ford** » Fri Feb 22, 2008 10:47 pm

gotcha. thanks wt4speed.

basketcase0302 · Post by **basketcase0302** » Sat Feb 23, 2008 7:11 am

Always liked the "slip-yoke" much better.

You can loosen 4 nuts on the rear u-bolts and drop the drive shaft a lot quicker.

Basketcase

sargentrs · Post by **sargentrs** » Mon Feb 25, 2008 10:19 am

Long bed, 2 pc shaft, carrier bearing. PITA to drop and put back.

MaxKlinger · Post by **MaxKlinger** » Mon Feb 25, 2008 11:33 am

Do certain transmissions use certain yoke types (bolt vs slip?) For example, do all NP435's use the bolt on kind? Do all C6's use a slip kind? What about the 3.03 and the T18?

fordman · Post by **fordman** » Mon Feb 25, 2008 8:26 pm

no all long bed orginally came out with a bolt on yoke and a two piece driveshaft. the short beds used a slip in youke and a single driveshaft. the dentsides started using a single driveshaft in the longbeds. but i dont know what year they started. i dont think it was 73.

hotrod ford · Post by **hotrod ford** » Mon Feb 25, 2008 8:29 pm

i would think that if the u joint does'nt wear out that two piece drive shafts would be stronger.

convincor · Post by **convincor** » Tue Feb 26, 2008 3:59 am

my 71 sb has bolt on at the trans.

BobbyFord · Post by **BobbyFord** » Fri Feb 29, 2008 8:45 am

Short beds use bolt-on yoke. If it's got a slip yoke, someone swapped out the trans.

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