Moser M9 F Body Installation Instructions

M9 installation instructions

The standard Moser 9 inch weighs approx 50lbs more than the 10 bolt
The Moser fabricated 9 inch (M9) weighs about the same as the 10 bolt

The brake backing plates need to be reused from your 10 bolt rear.  This means that the axles have to be pulled out, and the wheel bearings removed, to slip the backing plates off. The 10 bolt axles are held in with c clips.  Sometimes you have to push in on the axles to get the c clips to pull out.

The factory driveshaft can be reused but a conversion u joint will need to be installed.  Napa pn 447 is the one we have always used.  Keep in mind the factory driveshaft isn't much stronger than the 10 bolt rear.  It can turn into a pretzel under the car, taking out the exhaust system and puncturing the floorboard.  The driveshaft should also be an inch longer when used with the Moser nine inch, although a lot of people have gotten by with the stock driveshaft.  I have seen twice where the stock length driveshaft caused a vibration that was resolved by going to a one inch longer driveshaft.  I have sold and used the PST 3.50 aluminum driveshafts for years, and they have handled all the punishment my Camaro threw at them.



                   How tight should I tighten my u-bolts?

1310 series and 1330 series should be tightened to 17 ft/lbs and 1350 series to 20 ft/lbs. You should never tighten the nuts on any u-bolt excessively. This will cause the cap to distort and the u-joint will fail prematurely.



Heavier Duty Pinion Seal

CR-547785 uses Viton instead of natural rubber ($8.50 each). The fit is the same although the seal design is a little more robust. They ship these seals for multiple end uses including NASCAR. This seal should eliminate any pinion seal leaks.

Moser M9 F Body Installation Instructions
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  • Item #: Moser M9 F Body Installation Ins
  • Manufacturer: Moser Engineering
  • Condition: New
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Price $99,999,999.00

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