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Bskank 06-18-2013 08:58 PM

Read my gear pattern
 
1 Attachment(s)
Installing G2 4.88's in a 8.8. Backlash is .011 but I'm thinking I need more shim on the pinion, what do you think? This is my first regear and axle swap attempt.

Bskank 06-18-2013 09:01 PM

1 Attachment(s)
And

Macanator 06-19-2013 02:04 PM

Add .005 may even need a little more then that but that's where I would start.

Mac

WhiteMtnJeep 06-19-2013 08:28 PM

Here's the chart from the FSM.

http://www.jeepforum.com/gallery/dat...dium/Gear1.jpg

Evildriver-3 06-20-2013 12:26 AM

You're out to far on the pin, and you HAVE to check the pattern with the bl set right, you want to be .006 / .008 unless the ring gear itself says it wants a specific bl setting. then run the pattern

Bskank 06-21-2013 09:42 AM

Thanks guys, I added .010 and it looks pretty good.

freeskier93 06-23-2013 05:05 PM

27 Attachment(s)
Quote:

Originally Posted by Evildriver-3 (Post 15584568)
You're out to far on the pin, and you HAVE to check the pattern with the bl set right, you want to be .006 / .008 unless the ring gear itself says it wants a specific bl setting. then run the pattern

Backlash specs are not universal, depends on the axle and what the gear manufacture specifies. The 8.8 generally as a higher backlash spec, my Nitro gears had a specification of .011" to .016". I personally thought that was high and settled on .009".

Evildriver-3 06-23-2013 09:12 PM

The actual 8.8 acceptable specs are from 8 to 15, however I haven't set a 8.8 past 8 yet. however I did say if the ring gear has a specific bl # put on it then adjust it to that.
Also on a off-road use vehicle that is going to put load and unload issues on the gear you really don't want a bl beyond 10


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