1955 Driveshaft
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From: Gleason, wi
1955 Driveshaft
I posted this thread in the clutch and transmission forum but got no response, so I thought I would try it here. I am looking for ideas. I put a ZF 5 speed in a 1955 F100. It has a fixed yoke and of course so does the 9" rearend I put in. I am looking for for a driveshaft with a slip joint that would work. I know I might have to take it to a shop and shorten or lengthen it, but does anybody have any opinions?
old and in the way
Joined: Jul 1997
Posts: 5,921
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From: Lovely Hueytown Alabama
Hey,
usually with any transmission/engine or even rear end swap... drive shaft length is going to change... sometimes a little and sometimes a lot. If you're an extremely lucky guy and the moon is in the right phase you might hit a point where your original shaft will work... you have a few inches of play in the fit at the transmission joint... but since you say it's a fixed... well Publishers Clearing house ain't coming.
Best and easiest fix is to go to an reputable axle/sprint/driveshaft shop and have one built... or then can use your original and shorten it. It's not terribly expensive and will save you money in the long run... built for your truck without any jury rigging to get it to work...
You just need the matching yokes for each end and the correct measurement... there are several places on the net and on this forum that show how to get the right measurement..
later
John
usually with any transmission/engine or even rear end swap... drive shaft length is going to change... sometimes a little and sometimes a lot. If you're an extremely lucky guy and the moon is in the right phase you might hit a point where your original shaft will work... you have a few inches of play in the fit at the transmission joint... but since you say it's a fixed... well Publishers Clearing house ain't coming.
Best and easiest fix is to go to an reputable axle/sprint/driveshaft shop and have one built... or then can use your original and shorten it. It's not terribly expensive and will save you money in the long run... built for your truck without any jury rigging to get it to work...
You just need the matching yokes for each end and the correct measurement... there are several places on the net and on this forum that show how to get the right measurement..
later
John
Fleet Mechanic
Joined: Dec 2014
Posts: 1,932
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From: Beaumont Texas
If the trans has fixed yolk and the rear also has fixed yolk, you will need a 2 piece drive shaft with slip yolk after the carrier bearing . Both ends fixed without play will not work. Three quarter tons have 2 piece shafts . Maybe you can get the shaft from the zf trans doner and have it fitted to your required length. You will need to fab a cross member to hold the carrier bearing. the rear shaft can be fitted with the matching size u joint or you could use a crossover joint, 2 size cups.
Tuned
Joined: Oct 2013
Posts: 433
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You could use a 80-96 4WD Ford truck driveshaft, they have a slip yoke at front where bolts to fixed yoke of transfercase. You will need to have sized for your truck. This will give you a one piece drive shaft with no carrier bearing needed. Probably others like bronco would work also.
Cargo Master
Joined: Oct 2013
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From: in a barn
S10 extended cab 2wd pickups have two piece driveshafts with a slip yoke, and the included must have carrier bearing. Dirt cheap in the bone yard, just have to shorten as needed.
If you plan on beating on the truck at all I think I would see if the trans can be converted to a slip yoke. I dont trust carrier bearings for HP use, but some aftermarket polyurethane bearings are out there.
If you plan on beating on the truck at all I think I would see if the trans can be converted to a slip yoke. I dont trust carrier bearings for HP use, but some aftermarket polyurethane bearings are out there.
Lead Driver
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From: AKRON ohio
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From: Gleason, wi
Thanks for all the info. I think I will look for one from a 4x4, whether it is a F series or Bronco. I did not want a carrier bearing. The truck is going to be mostly for show but the motor is almost 500 HP. So I might get on it once in while. I will be posting pictures soon.
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Hotshot
Joined: Oct 2004
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From: Durham NC
In the 50s, 60s Chrysler products had a flat drive plate on the tranny output shaft, and a driveshaft with a splined slip front yoke on the driveshaft that bolted to it. The driveshaft did not use a carrier bearing and it held up to the race hemis.
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