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Unread 05-29-2013, 02:49 PM   #1
beerly
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Gear pattern - opinions please

Just set up this rear D35 with 4.56's. B/L is .006" with about 30-40 ft/lbs of resistance when rotating the pinion to get the pattern. Just looking for some input. Good to run? Thanks!

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Unread 05-29-2013, 03:31 PM   #2
pcoplin
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Your pics aren't as close as I'd like, but looks real good from what I can see.
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Unread 05-29-2013, 05:50 PM   #3
Knuckelhead
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Quote:
Originally Posted by beerly View Post
" with about 30-40 ft/lbs of resistance when rotating the pinion to get the pattern.
Did you mean "in/lbs"?...
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Unread 05-29-2013, 06:06 PM   #4
orangetj05
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Looks a little deep to me I would try removing about 3 thousands of pinion shim
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Unread 05-29-2013, 06:49 PM   #5
freeskier93
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Quote:
Originally Posted by Knuckelhead View Post
Did you mean "in/lbs"?...
Probably not because you need to get a lot of resistance in the gears to get a clean pattern. I like to use an axle shaft to spin everything as there is a torque reduction and it takes a lot of force, easier than trying to turn the pinion and loading up the ring gear with your forearm or a board.

Also the pattern looks good, I'd run it. Could be a tad deep but it's hard to say when your not setting up he gears and see the progression.
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Unread 05-29-2013, 07:31 PM   #6
beerly
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Sorry, could have been more clear, I was talking about resistance on the ring gear and pinion, not pinion preload. I can pull a few thousandths but won't the pattern move toward the heel once under normal driving loads, being much more than I'm putting on it to take the pattern?
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Unread 05-29-2013, 08:20 PM   #7
WhiteMtnJeep
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I too would go a couple thousandths shallower with the pinion. It's a touch deep right now. See this from the FSM:



Your pattern should be centered, even slightly shallow is acceptable, but not more on the deep side.
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Unread 05-29-2013, 08:55 PM   #8
beerly
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I'll pull .002" and see how it goes. Thanks guys
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Unread 05-29-2013, 09:14 PM   #9
beerly
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I'll pull .002" and see how it goes. Thanks guys
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