I have a 78 f250 extended cab with a 6" soft ride lift. I gust swapped the C6 for a 4speed with a NP 205. I had a drive line made. When I put the drive line in it binds up and wont rotate the drive line hits the yolk on the transfer case. Does any one have any advise?
Front drive line
Started by
shiz a flyin
, Jul 31 2007 10:27 AM
3 replies to this topic
#2
graygost79
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F-Series Newbie
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Posted 31 July 2007 - 06:26 PM
I have a 79 f-150 and i also put a 6in superflex kit on. When i put my front driveshaft in i could not
turn it.So i talked to some driveshaft guys they said to take a die grinder and cut some of the yoke where it hits.
I did that and found out that i also had to grind some of the inside of the doublejoint on the driveshaft.I don't know if
this i right but it worked.
turn it.So i talked to some driveshaft guys they said to take a die grinder and cut some of the yoke where it hits.
I did that and found out that i also had to grind some of the inside of the doublejoint on the driveshaft.I don't know if
this i right but it worked.
#3
77 F-250
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It's Only Money, Right?
Posted 09 August 2007 - 09:06 AM
noooooo do not grind off anything. that will just make weak points. is the front axle a high or a low pinion? in the 1st half of 77 and earlier these trucks were low pinion with divorced trannys, in the later half on, they were high pinion and married. I have 9 inches on 44's and I have a high pinion married case with no probs. if you have a low pinion rear then that's your problem, you need a high pinion. but if u still have a problem, the only other thing you can do is run a divorced case. your angles will be great. I personally don't like to run a divorced because it's another drivshaft and 2 more u-joints to worry about, but if it's what you gotta do then do it.
#4
shiz a flyin
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Where's My Hammer!?!
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Posted 09 August 2007 - 02:15 PM
My truck has a married transfer case and a high pinion so it should have worked. What I ended up doing was getting a drive line with a CV joint (out of a Chevy blazer) and that cured the problem at the transfer case. But the driveling was still hitting the yolk on the third member. I thought about putting pitch blocks in the front but really didn't want to. So I was standing in my yard wandering what the f to do, and one of my buddies stopped by in his 76 Chev whit 6" of lift. I crawled under his truck witch has a fairly sever drive line angel, his truck had a deeper yolk. So I went to the junk yard and found the yolk I needed and now every thing is just peachy 
PS: I had to change the yolk on the transfer case, and the housing that holds the front seal, It had a larger diameter. (wish I would have known before driving all the f-in way home.)
PS: I had to change the yolk on the transfer case, and the housing that holds the front seal, It had a larger diameter. (wish I would have known before driving all the f-in way home.)
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