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slight driveshaft problem....

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Old Dec 3, 2007 | 12:13 PM
  #1  
quadzjr's Avatar
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just another Rockwell looser
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slight driveshaft problem....

well, i just finished my truck but my drivline angle seems to be a bit steep....what do you guys think...




what should i do to fix my problem.....its pretty smooth till about 80mph....then i get a weird vibration....























 

Last edited by quadzjr; Dec 3, 2007 at 12:17 PM.
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Old Dec 3, 2007 | 12:24 PM
  #2  
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I have two suggestions...

1. Find a good driveline shop and inquire about other types of u-joints, check the balance of the shaft or possibly a mid-mount bearing to maintain the shaft position.

2. Go to a 2 piece unit.
 
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Old Dec 3, 2007 | 12:27 PM
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Bwahahaha!! Looks like it would be safe to me <note sarcasm>...

On a lighter note, sweet blocks and neon lights!!!
 
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Old Dec 3, 2007 | 12:29 PM
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From: Gilbert
sorry for the double post, stupid internet...
 
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Old Dec 3, 2007 | 12:30 PM
  #5  
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I have two suggestions...

1. Find a good driveline shop and inquire about other types of u-joints, check the balance of the shaft or possibly a mid-mount bearing to maintain the shaft position.

2. Go to a 2 piece unit.
 
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Old Dec 3, 2007 | 01:23 PM
  #6  
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so this is not how im supposed to set it up.....

lift blocks are the only way to lift a truck correctly....
 
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Old Dec 3, 2007 | 03:40 PM
  #7  
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just another Rockwell looser
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i wish they had a thornbird tire tall enough....i wish they came in a 54.....those are the baddest a$$ tire ever invented!!!!
 
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Old Dec 3, 2007 | 03:57 PM
  #8  
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did you guys see the fuel filter on the axle breather hose???
 
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Old Dec 3, 2007 | 05:54 PM
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Asking somebody >>> "That kinda vibration is normal over 80 RIGHT, if not im in a hole lot of ****!"
 
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Old Dec 3, 2007 | 05:56 PM
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Originally Posted by 1979f350inline6
did you guys see the fuel filter on the axle breather hose???
Thats so it can breath COOL, Filtered air, otherwise, she'd bLOW!
 
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Old Dec 3, 2007 | 06:00 PM
  #11  
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I don't see a problem......just add a turbo_dynamics semi-harmonic gyroscopic double pin stabilizer - they are rated to 140 mph @ sea level, 130 @10,000 feet (which is where you'll be at when it takes off).
 
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Old Dec 3, 2007 | 06:16 PM
  #12  
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From: Gilbert
You can actually use a throttle body spacer to help with that shudder...
 
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Old Dec 3, 2007 | 07:15 PM
  #13  
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just another Rockwell looser
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Originally Posted by zpmps2
Thats so it can breath COOL, Filtered air, otherwise, she'd bLOW!
i was told that would make my truck go faster....cleaner air in the diff.....
 
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Old Dec 3, 2007 | 07:16 PM
  #14  
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just another Rockwell looser
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Originally Posted by 2000silverbullet
You can actually use a throttle body spacer to help with that shudder...
thanks....ill give it a shot...
 
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Old Dec 3, 2007 | 07:50 PM
  #15  
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From: St George, SC I-95
My suggestion is weld a gear on the end of your xcase yoke and another on your pinion yoke and connect it with a bicycle chain. That way you can change the gear reduction by swapping yokes instead of changing gears in the axles or running a doubler. I just got off the phone with a big wig at Interco and he said if we could get enough people interested in a 54" Thornbird he'd mold them up. They will only be available in 15" rim so they will be easy to bolt up to D28 TTB and Ford 7.5 axles
 
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