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Ford 7.5 4.10 gears set-up help


jcwilliams

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I'm looking for a Lil help.
I've got a new ring and pinion with all new bearings and new bearings on the carrier as well.
I've got the pinion preload at 19-20 spec calls for 14-19 with a .025 pinion shim (OE depth)
Back lash at 11 spec is 12-16
And here's my pattern
Thanks in advance
uploadfromtaptalk1445998721917.jpg
uploadfromtaptalk1445998736730.jpg
 


4x4junkie

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TRS 20th Anniversary
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Aug 19, 2001
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Location
So. Calif (SFV)
Vehicle Year
1990
Make / Model
Bronco II
Engine Type
2.9 V6
Engine Size
2.9L V6
Transmission
Manual
2WD / 4WD
4WD
Tire Size
35x12.50R15
Hard to really see what's going on with the pattern on that (maybe pinion too shallow, but can't tell for sure).

Try rotating the carrier with a wrench on a ring gear bolt to get your pattern (putting some resistance on the pinion flange with your hand if necessary). This usually creates a higher-contrast pattern than turning it by the pinion.
 

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