Gear pattern pics... should I run it?

[Stomis]

Take shims out

[FONT=Arial, Helvetica, sans-serif]Pinion Depth
Definition: Position of pinion-gear relative to the ring-gear centreline, expressed as either a mounting distance (measured from behind the pinion head to the centreline of the ring-gear) or a checking distance (measured from the face of the pinion head to the centreline of the ring-gear).
Think of it as: How close the head of the pinion is to the centreline of the ring-gear. Proper pinion depth makes sure the pinion teeth mesh with the middle of the teeth on the ring-gear – between the top and the root. Increasing pinion depth moves the pinion closer to the centreline of the ring-gear, moving the pinion “deeper” into ring-gear teeth and reducing the checking distance.
How Measured: The final determination of correct pinion depth can only be obtained by reading and interpreting the gear tooth contact pattern using gear-marking compound.
Adjusted Via: Shims placed between the axle housing and the pinion bearing retainer. Adding shims moves pinion further away from ring-gear centreline, moving the pattern from the root to the top. Removing shims moves pinion closer to ring-gear centreline, moving the pattern from the top to the root.
Note: When adjusting pinion depth, begin with a starting shim stack and make large adjustments at first until the correct setting is bracketed; then make progressively smaller adjustments until the final setting is achieved. Increasing pinion depth decreases backlash and moves drive pattern slightly towards toe, and coast pattern slightly towards the heel. The opposite is also true - decreasing pinion depth increases backlash and moves the drive pattern slightly towards the heel, and the coast pattern slightly towards the toe.

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[garydan]

http://www.ringpinion.com/Content/HowTo/TechnicalInstructions/Yukon_Installation_Kit_Instructions.pdf


Scroll to page 14. Looks like my pattern... on the first acceptable pattern box... doesn't it?

"Adding shims moves pinion further away from ring-gear centreline, moving the pattern from the root to the top"

"Increasing pinion depth decreases backlash and moves drive pattern slightly towards toe, and coast pattern slightly towards the heel."

If you remove shims... that would increase pinion depth right? That statement above is totally opposite of what I need. I need the drive side to move towards the heel.

 

[Stomis]

http://www.ringpinion.com/Content/H...tions/Yukon_Installation_Kit_Instructions.pdf


Scroll to page 14. Looks like my pattern... on the first acceptable pattern box... doesn't it?

"Adding shims moves pinion further away from ring-gear centreline, moving the pattern from the root to the top"

"Increasing pinion depth decreases backlash and moves drive pattern slightly towards toe, and coast pattern slightly towards the heel."

If you remove shims... that would increase pinion depth right? That statement above is totally opposite of what I need. I need the drive side to move towards the heel.

Like I said the 14bff is opposite. You want your coast side closer to the heel.

Therefore you want to remove shims.

 

[garydan]

You want your coast side closer to the heel. Therefore you want to remove shims.

Look I'm learning all this terminology... but don't I want the drive side closer to the heel? And the coast side closer to the top?

This opposite deal is making it fun..... and I'm an idiot so that doesn't help

 

[Stomis]

Look I'm learning all this terminology... but don't I want the drive side closer to the heel? And the coast side closer to the top?

This opposite deal is making it fun..... and I'm an idiot so that doesn't help

Yes you're correct. I got confused trying to remember the picture w/o looking at it while I was replying...

 

[Hogback Fabrication]

You're getting backwards advice here, the pinion is too deep. If this is a full floating 14 bolt you need to add more shim to get the pinion further away from the ring gear.

 

[garydan]

You're getting backwards advice here, the pinion is too deep. If this is a full floating 14 bolt you need to add more shim to get the pinion further away from the ring gear.

That's makes more sense to me... this pattern matches somewhat what I have and advises the same.

 

[garydan]

I think this is better (I increased the shims)

 

[sweetk30]

looks like the pattern come up to center a bit more.

i say used gears . go for it clean it / cover it / fill it / run it now.

 

[blazinzuk]

Run that drive side is hard to read on a used set