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what am I doing wrong? pinion shims..

Old Feb 13, 2014 | 06:05 PM
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Exclamation what am I doing wrong? pinion shims..

so I got some 6° pinion shims and they came with longer bolts but I don't think I have them installed correctly because it doesn't give me any more lenth to locate my axle with the leafs...


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Old Feb 13, 2014 | 06:24 PM
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think I figured it out, I'll need to trim off the bolt and maybe some of the nut and then it gets flipped around so the nut is down in the spring perch hole
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Old Feb 13, 2014 | 06:36 PM
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Are you sure the angle is the cause of your problems? I see you have Belltech and the proper pinion angle should be built into the flip kit. 6 degrees of shim is a lot.
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Old Feb 13, 2014 | 06:38 PM
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It should have came with a spacer to move the pin down.


or A longer pin

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Old Feb 13, 2014 | 06:40 PM
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Originally Posted by GMCtrk
Are you sure the angle is the cause of your problems? I see you have Belltech and the proper pinion angle should be built into the flip kit. 6 degrees of shim is a lot.
I have shackles and hangers
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Old Feb 13, 2014 | 06:43 PM
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Unless I'm missing something, he doesn't have a flip kit. And I don't think Belltech flips compensate for pinion angle either.

I will agree that a 6* shim does seem a bit much assuming you're still at your old setup of 3/4 drop.


Do you have a 2pc or 1pc driveshaft?
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Old Feb 13, 2014 | 07:02 PM
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2 piece I moved my carrier bearing up 2"

when I measured my front yoke was 0° level and my rear yoke on the diff was pointing up 8°
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Old Feb 13, 2014 | 07:06 PM
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I didn't need to do my carrier on my 99 when I did a 2/4(spring, hanger and shackle)
I did have to use a 2deg shim though.
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Old Feb 13, 2014 | 07:08 PM
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Originally Posted by beastmode
Unless I'm missing something, he doesn't have a flip kit. And I don't think Belltech flips compensate for pinion angle either.

I will agree that a 6* shim does seem a bit much assuming you're still at your old setup of 3/4 drop.


Do you have a 2pc or 1pc driveshaft?
I saw the C-notch's and assumed flip. Obviously the axle is below the springs in the pic.

And Belltech flips have the proper pinion angle built into it. At least the NBS like mine. Can't comment on NNBS.
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Old Feb 13, 2014 | 07:16 PM
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here's what I have come up with

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