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05-07-2009, 02:16 PM
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#1 |
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Post Whore
 
Join Date: Feb 2000
Location: Rose Hill, KS, USA
Posts: 12,689
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Re: Gear oil
I always use 80W90 in my axles, manual tranny and transfer case.
I'll let some one who knows advise if the gov-lock needs an additive - I don't believe it does, but someone will know for sure.
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1970 Blazer with a 400 sbc and 4" lift 1980 Pontiac Trans Am, 455 Oldsmobile 2012 Kawasaki Concours 14 |
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05-07-2009, 02:29 PM
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#2 |
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Registered User
Join Date: Apr 2007
Location: Meridian, Idaho
Posts: 316
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Re: Gear oil
Interesting because when i did the Front 60 and rear sterling 10.5 in my superduty the manual called for 70w90 in front and 70w140 in the rear, or something to that effect.
I remember I didnt have to use the slip additive in rear due to the open diff. but it called for so many ounces of something if it had a posi.
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71  Jimmy: D60/14BFF, 9"F/11"B Lift, 350-350-203-205, Crossover Hydro steering, Beadlocks, Tube stuff and the bottomless cooler
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05-07-2009, 03:33 PM
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#3 |
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20' Daredevil (Ret)
Join Date: May 2003
Location: Jefferson State
Posts: 13,824
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Re: Gear oil
I run synthetic 75W-90, D44 front and Eaton rear. Always thought 140 was only required in trucks larger than pickups...
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay |
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05-07-2009, 05:42 PM
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#4 | |
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Chevys Kick A$$
Join Date: Jan 2005
Location: Zootown, MT
Posts: 12,699
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Re: Gear oil
Quote:
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*HOODS is what I answer too* -'79, '77, '88 Pickup Sold, '85 Camaro, '83 T/A, '81,'83,'90 K5 Blazer All Sold  -'79 3/4 ton "Big Yellow Bananna" Lifted 4spd. 39.5 TSL Swampers, The money Pit   -'86 K5 Blazer Silverado 6.2 4" lift 35"s -'95 Ext. Cab Shorty 4" Tuff Country rolling 35" M/T's -'83 Monte Carlo T-Tops. 126,500 Original Miles -LATER  I would rather push a Chevy then drive a ford!!
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