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#1 |
Sleep-Deprived
Join Date: Sep 2002
Location: Tulsa, Oklahoma
Posts: 445
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Pulled my rear diff. cover tonight
Removed the rear differential cover to check things out tonight.
The ring gear read 381903 9.37 GM 3-69 2 37 divided by 9 = 4.11 This is behind a 292, 4 speed & 1 pc. driveshaft with "4x4 tires". Tires are 31 x 10.50 R 15 LT's which has to be throwing the speedometer off. (I'm guessing) What tire is closest to original on the 2WD 1/2 tons? Also, is this a posi? Gears have some pitting, so I may be in for replacing them ![]() |
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#2 |
Sleep-Deprived
Join Date: Sep 2002
Location: Tulsa, Oklahoma
Posts: 445
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ouch, what happened to the pic
Do photos get compressed on here?
One more time... ![]() |
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#3 |
Registered User
Join Date: Feb 2003
Location: Montana
Posts: 7
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Does appear to be an Eaton posi
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#4 |
PROJECT 7DEUCE
![]() Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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The 2nd pic look's to be a posi or limited slip of some sort.
__________________
GO BIG GREEN ![]() MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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#5 |
Sleep-Deprived
Join Date: Sep 2002
Location: Tulsa, Oklahoma
Posts: 445
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I'll try to get another shot tomorrow nite
Thanks for the replies, I'll take new photos and see if they get chewed up when post. I can barely see anything on these.
Any comments on wheel & tire size are welcome. |
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#6 |
Senior Member
![]() Join Date: Feb 2003
Location: WIS
Posts: 1,752
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pitting
Pitting on the gears won't hurt as long as it's not howling too loud. Pitting on the bearings is bad news.......Zoomy
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#7 |
Prestige Worldwide
![]() Join Date: Feb 2001
Location: Worldwide
Posts: 2,553
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Just for future reference, jack the rearend up and you can spin one of the axles forward, if the other side turns forward too then you have a posi. Thats just an easy way to tell if your not sure.
Jason |
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#8 |
SLICER AND DICIER
Join Date: May 2001
Location: Quuen Creek
Posts: 1,383
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Not true. I had a factory posi in my 72 and if you spun it forward the other would go oppisite. I was told this was a GOV lock posi that is factory and not all that great, so when I blew the spider gears in a million pieces
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__________________
01 Tahoe 22's 2/4 drop and tv's ![]() 68 chevy money pit 51 chevy belair 95 Honda 900RR 05 GMC Siearra (company truck) |
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#9 |
Prestige Worldwide
![]() Join Date: Feb 2001
Location: Worldwide
Posts: 2,553
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So your saying a true posi spins both forward huh...... how about that........
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#10 |
Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,403
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yup, thats an eaton unit. I agree with ZOOMY......the pitting on the gears wont hurt you ,as long as they arent howling. By the looks, it probably wouldnt hurt to have a look at & or replace bearings tho. good luck, crazyL
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__________________
69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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#11 |
Sleep-Deprived
Join Date: Sep 2002
Location: Tulsa, Oklahoma
Posts: 445
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Thanks All for the comments, I guess there may be a better test for a posi - involving high rpms and a lot of smoke
![]() I think I'll go with your recommendation CrazyL after some more looking at the steps in bearing replacement. I had some noise in the driveline somewhere and planned on just the u-joints. Bearings are cheap in the 1/2 ton, but how many tools will I have to buy to redo them? I really appreciate the comments on the pitted ring & pinion gears, that will save me $250 for now... |
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