GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

Pinion shim question (nbs)

Old Feb 3, 2014 | 07:29 PM
  #11  
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From: JunkYard
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Originally Posted by Mr. Trick
It's a mcgaughys flip kit with 1pc drive line. So measure the trans, drive line, and pinion angle with a magnetic angle finder?
Yes. Use a magnetic angle finder.

Originally Posted by Mr. Trick
Bump I really need help with this. my pinion angle is at like 13 and my drive line angle is at about 3
You want to get them as close to the same as posible.

Try about 6* and see if your within 3* difference.
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Old Feb 3, 2014 | 11:38 PM
  #12  
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Thank you. I did end up getting a magnetic angle finder and that how I got those measurements.

I was thinking about getting the 6* shims so you just confirmed my thoughts thanks
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Old Feb 3, 2014 | 11:44 PM
  #13  
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From: JunkYard
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Originally Posted by Mr. Trick
Thank you. I did end up getting a magnetic angle finder and that how I got those measurements.

I was thinking about getting the 6* shims so you just confirmed my thoughts thanks
Let us know how it turns out.
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Old Feb 3, 2014 | 11:47 PM
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I had a 6* on my 6" drop and it didn't vibrate.
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Old Feb 18, 2014 | 09:41 PM
  #15  
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Ok the major vibration is gone. It still has some slight vibration at around 70 but its not bone jarring like before. Now however the rear suspension is CRAZY stiff.
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Old Feb 19, 2014 | 12:15 PM
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Originally Posted by Mr. Trick
My truck right now has a 6" rear drop with no shims but it has a terrible vibration, I am pretty sure it needs shims. Does anyone know which degree of shims I need? Also I plan to drop the back 2 more inches in the back
What year and cab size is the truck?
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Old Feb 19, 2014 | 04:36 PM
  #17  
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2002 regular cab
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Old Feb 19, 2014 | 05:04 PM
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Originally Posted by Mr. Trick
2002 regular cab
I can't find why you would need one on a Reg Cab. Did you call McG's to see if they can assist you?
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Old Feb 19, 2014 | 10:34 PM
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I did not, but I will try that. I am using stock shackles from a 07 new body style truck so I don't know if that makes a difference.
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Old Feb 20, 2014 | 11:08 AM
  #20  
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Originally Posted by Mr. Trick
I did not, but I will try that. I am using stock shackles from a 07 new body style truck so I don't know if that makes a difference.
Shackles shouldn't make a difference.
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