Driveshaft: One piece or two?
New User
Joined: Jun 2000
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Driveshaft: One piece or two?
My '79 f150 2wd, 460, 8ft bed came with a two piece drive shaft which was causing severe vibration at speeds over 55. After attempting to balance the thing I realized that the real problem was the center bearing. I bought one but couldn't get the old center bearing off. I glanced at my '79 f150 parts truck with a one piece driveshaft and swapped it instead of repairing the two piece. Vibration is gone.
What am I giving up by going one piece instead of two? I haul some snowmachines around once in a while but nothing heavy. Can I get away with this?
Thanks in advance,
Bob
What am I giving up by going one piece instead of two? I haul some snowmachines around once in a while but nothing heavy. Can I get away with this?
Thanks in advance,
Bob
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Driveshaft: One piece or two?
What was good for the parts truck ought to be good for the good truck. I went to a one piece when I converted to automatic.
John
jowilker
66 F100s
In the still cool hours of the night, you can hear chevys rusting away.
John
jowilker
66 F100s
In the still cool hours of the night, you can hear chevys rusting away.
New User
Joined: Mar 2000
Posts: 19
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Driveshaft: One piece or two?
I've got a 79F100,460&c6. When I put this setup in my truck, I had a new driveshaft(one piece) built. I was told by the leading man within 25 miles that the thing you need to look at is the shaft diameter vs the length, that the smaller diameter tubing is not rated to make a very long span. Because I put a tranny out of a 78 Gran Marquise, it had a short tailshaft. I believe knuckle to knuckle my new shaft is 70 inches and the diameter is 2 5/8 to 2 3/4 inches. The man told me that a smaller diameter shaft might come apart at high speed over that span. Hope this helps, Dave
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