drive shaft length

1997-12

1997-12

Rookie to this game
Joined
Jan 20, 2009
Messages
168
i put a hd transfer case in my truck and was wondering how much to shorten the drive shaft
 
do you have a 1 pc or 2 pc, i think the rule is about 6 ft max for a single, when i did that same change i stuck my yoke in my trans leaving it about 1 in. out and measured from the center of the joint in the front yoke to the rear yoke center, mine worked out to 5 ft, but it was a cab and chassis truck.
 
Valair1 said:
do you have a 1 pc or 2 pc, i think the rule is about 6 ft max for a single, when i did that same change i stuck my yoke in my trans leaving it about 1 in. out and measured from the center of the joint in the front yoke to the rear yoke center, mine worked out to 5 ft, but it was a cab and chassis truck.
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its a one piece i cant measure like you did because i dont have the engine back in the truck yet and i need to get the drive shaft made so i can hopefully have it running by saturday
 
I'm not 100% sure, but aren't the driveshafts the same length if you just swapped from an LD to an HD? I thought the cases were the same size - just the internals were bigger?
 
Not sure about the length. I done a d70 to d80 swap the same time I done my dld to dhd swap. But you will need a different slip yoke for the dhd.
 
j-rod said:
I'm not 100% sure, but aren't the driveshafts the same length if you just swapped from an LD to an HD? I thought the cases were the same size - just the internals were bigger?
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Nope they are different. If you go from the ld to the hd they have to be shortened. On my ext cab long bed, I shortened it 1"-1 1/4". Should be the same for you Tyler I would think. Dont think it matters if its a 1 piece or 2 piece. While your at it though, I would go ahead and have that 1480 yoke put in the rear. TRUST ME IT WILL BREAK!
 
I have all the 1480 yokes for it, i had to get the 1480 slip yoke from haisley machine.
 
2Tone12V said:
Nope they are different. If you go from the ld to the hd they have to be shortened. On my ext cab long bed, I shortened it 1"-1 1/4". Should be the same for you Tyler I would think. Dont think it matters if its a 1 piece or 2 piece. While your at it though, I would go ahead and have that 1480 yoke put in the rear. TRUST ME IT WILL BREAK!
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Thanks for clearing that up - I did not know that.
 
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