C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Ring and pinion

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Old Jun 19, 2022 | 06:18 PM
  #1  
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DanZ51
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Default Ring and pinion

Just putting this info out there. I'm attempting to re-gear my Dana 44 with the Mopar P5007043 4:10 gear set. I've got the new bearing and shim installation kit XL-1074-1, supposedly made for the 85-96 Vette D44 . But the shims in the kit look nothing like what's in my diff. They look more of what's used on a straight axle D44 - where the shims sit on the (outer) race side of the bearing, instead of the between the carrier and cone of the bearing.

So Denny's Driveshafts to the rescue. Looks like I need Dana/Spicer 72922-1x for my pinion shims. The carrier/ring shims take Dana/Spicer 706757x (with a Corvette specific cover gasket) or 701005x (w/o)

The bearing/shim installation kit doesn't include the side yoke (stub axle) bearings or seals, but I already knew that. Dana/Spicer 566002 bearing and Timken 473227 seals. The Mopar gears use a crush sleeve for preload, so I'm good there.



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Old Jun 19, 2022 | 10:50 PM
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Does the gear use a 5/8" +/- crush collar OR maybe the taller actual crush sleeve?

The XL-1074-1 if packaged correctly should have generally been complete with the short-axle bearings and seals.

Denny's to the rescue? Never - you were had I believe maybe by the outfit that sold you the kit.

*** I'd confirm everything in the kit and if you had time let the vendor correct the buy you made. Who sold you the kit?

Last edited by WVZR-1; Jun 20, 2022 at 12:00 AM.
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Old Jun 20, 2022 | 05:01 AM
  #3  
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Default Old gear ratio ?

If your Dana 44 had 3.45,3.54 or 3.73’s I would be happy to buy a prime set to help ease that $$$$ bite$$$$ for the 4.10’s project 😝 please PM me if this applies.
GOD bless ,
Robert
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