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  IR005 - ADJUSTIBLE PINION ANGLE ADAPTOR
 
 
Our Price: $549.95


Availability: In stock soon. Order now to get in line. First come first served.
Product Code: IR005


Description
 
The adjustable pinion angle adaptor, machined out of chromoly with a 1 ½ heim joint. The unit is completely bolt in. This provides for the fastest and easiest way to adjust your pinion angle.

Pinion angle is one of the more important measurements on a lifted vehicle. The wrong angle can lead to drive line vibration and premature failure of U-joints, drive shafts, pinion bearings and even transfer case output bearings.

What happens when the pinion angle is off?

As mentioned above, improperly set pinion angle causes vibration that can lead to early parts failure. The vibration results from unequal velocities at the opposite ends of the drive shaft. When a U-joint is run at an angle the drive shaft will actually speed up and slow down twice during each revolution, due to the changing angular velocity of the U-joint ends.

The U-joint caps connected to the pinion yoke spin around the pinion without moving forwards or backwards, when viewed from the side. The U-joint caps on the drive shaft move forwards and back quite a bit when viewed from the side, causing a change in the speed that the drive shaft rotates.

There will be no vibration if the angles are the same at both ends of the drive shaft because both ends will speed up and slow down at the same time and in the same amounts. If the angles are off the U-joints will still cause the speed to change at the same time (unless the drive shaft is twisted) but in different amounts, causing vibration. Keeping the pinion parallel with the output of the transfer case will keep the angles the same, avoiding vibrations. Patent Pending

FITS:
Defender 90
Discovery I
Range Rover Classic
 

Average Customer Review: Based on 3 Reviews. Write a review.

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  4 of 4 people found the following review helpful:
 
Review August 21, 2009
Reviewer: Joseph Pfeiffer from Irvine, CA United States  
I am really amazed at the workmanship and attention to detail that went into Inland Rovers Pinion Angle Adapter.  The rear axle is now centered in the wheel well and looks great.  The road manners are perfect.  I would definitely recommend this to anyone with a lift.


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  2 of 2 people found the following review helpful:
 
Adjustable Pinion Angle Adaptor January 21, 2009
Reviewer: David Hobbs from Burbank, CA United States  
I have been using the adjustable pinion angle adaptor for the last four months.  My RRC is used daily in the performance of my work as a Land Surveyor.  I had it installed to take care of a couple of issues, due to vibration  from a lift and extended trailing arms, and also for a very worn ball joint which created a loose rear end.  It took care of both in one operation.  It also allowed for removal of my worn out boge unit.   At some point I may lift it a little more and I will be ready.  Gordon really came through on this new development.

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  2 of 2 people found the following review helpful:
 
Vibrations are gone! November 11, 2008
Reviewer: Scott Brady from Prescott, AZ United States  
While it is typical for OHV enthusiasts to focus their dollars and attention on the most visible modifications, it is really the foundation of the vehicle, the things that cannot be easily seen that lend the greatest improvement to performance.

While researching the "best of breed" components to build the very first Overland Journal project vehicle, we started the modifications by specifying all of the necessary components to improve road and high-speed dirt handling, increase load capacity and improve technical terrain compliance and stability.  

With the short wheelbase, and subsequently short prop-shaft, the Discovery vibrated once the ride height was increased with the OME springs.  A wide range of adjustability, increased strength and no limit to articulation sold me on the P.A.C.  The vibrations are now 90% gone.  Great product!


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