Re: Anybody seen a gear pattern like this?
[Re: VernMotor]
#3037821
04/27/22 11:45 PM
04/27/22 11:45 PM
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Joined: Dec 2005
Posts: 11,621 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,621
Fulton County, PA
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Never seen that before.
I say run it. Where you going to move it to?
What's the pinion look like?
If the results don't match the theory, change the theory.
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Re: Anybody seen a gear pattern like this?
[Re: dvw]
#3037850
04/28/22 01:34 AM
04/28/22 01:34 AM
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Joined: Aug 2003
Posts: 43,230 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,230
Bend,OR USA
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New or used Ring and Pinion gears? What brand are they?
Last edited by Cab_Burge; 04/28/22 01:35 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Anybody seen a gear pattern like this?
[Re: Cab_Burge]
#3037867
04/28/22 07:44 AM
04/28/22 07:44 AM
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Joined: Mar 2006
Posts: 9,858 MI, usa
dvw
OP
master
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OP
master
Joined: Mar 2006
Posts: 9,858
MI, usa
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It is a 1 7/8" tapered pinion. The is a new factory gear set. Date 0- 25 -73 pn 2070684-2.76 There was no gear in the case when I got it. The gear wasn't in a box either. Both ring and pinion had a "D" painted on them in white. Doug
Last edited by dvw; 04/28/22 07:46 AM.
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Re: Anybody seen a gear pattern like this?
[Re: CMcAllister]
#3037880
04/28/22 08:28 AM
04/28/22 08:28 AM
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Joined: Jan 2003
Posts: 13,375 Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,375
Marion, South Carolina [><]
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I say run it. Where you going to move it to?
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 18 spline 4 speed, Dana 60 '71 Demon, 340, low gear 904, 8.75 '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: Anybody seen a gear pattern like this?
[Re: Stanton]
#3037900
04/28/22 09:44 AM
04/28/22 09:44 AM
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Joined: Jan 2004
Posts: 8,294 fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,294
fredericksburg,va
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The only time I ever had a rear end rebuilt the guy doing it smeared the grease on about 5 teeth, rotated the pinion about one turn and showed me the pattern was correct. In this case I think you've overdone it - turned it so often that the grease has spread out and erased the contact pattern. Wipe it all off and try it again on a small spot with only one rotation. I agree, to much grease on the gear, just put on the face of tooth, clean and do small area once around, won’t hurt
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Re: Anybody seen a gear pattern like this?
[Re: cudaman1969]
#3037958
04/28/22 12:47 PM
04/28/22 12:47 PM
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Joined: Dec 2005
Posts: 11,621 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,621
Fulton County, PA
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The compound should be used sparingly, not globbed on. However, if there is an area where the gears aren't in contact, the stuff won't be rubbed off. Rotating the assembly around a few times to catch clean teeth on the pinion will make the pattern more distinct.
Compound left on the pinion is also helpful to observe.
Last edited by CMcAllister; 04/28/22 12:48 PM.
If the results don't match the theory, change the theory.
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Re: Anybody seen a gear pattern like this?
[Re: CMcAllister]
#3037973
04/28/22 01:18 PM
04/28/22 01:18 PM
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Joined: Jan 2003
Posts: 1,607 westerly, ri. usa
440lebaron
top fuel
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top fuel
Joined: Jan 2003
Posts: 1,607
westerly, ri. usa
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use less compound and make sure you have a load on it
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