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12-15-2006, 11:54 PM
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#1 |
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Alright Alright Alright
Join Date: Mar 2004
Location: Midland, Texas
Posts: 1,672
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rearend fluid question
i was wanting to change my rearend gear fluid this weekend and i was wondering how much fluid it took and what the specifications are on the oil. its a 72 cheyenne with a 12 bolt rear.
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1972 Cheyenne Chevrolet red and white 357ci, Vortec heads, GM Performance high rise intake, Comp 268H .454/.454 218/218 110 LSA Quadrajet carb, Flowtech headers, 2.25 40 series HEI, Curve kit, TH 350, 3.07 gears 275/60/15s on 15x8 rallies |
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12-16-2006, 02:24 AM
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#2 |
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Senior Member
 Join Date: Mar 2003
Location: Colfax-California
Posts: 8,596
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Re: rearend fluid question
Buy 3 quarts, you may have a little extra left over
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12-16-2006, 06:35 AM
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#3 |
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Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: rearend fluid question
Capacity of the 12 bolt differential is 3 1/2 pints. 90 gear lube was originally used but there are other lubes available.
Jim |
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12-16-2006, 08:39 AM
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#4 |
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Senior Member
Join Date: Apr 2005
Location: Joppa, Maryland
Posts: 4,408
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Re: rearend fluid question
I bought 2 qts. and had a little left over......
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1997 GMC Sierra Ext 1965 Mustang |
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12-16-2006, 09:44 AM
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#5 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: rearend fluid question
2quarts is more than enough for a 12bolt rear spend the extra and go synthetic // don't over tighten the cover bots only about 10-15ftlbs are required
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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12-16-2006, 02:05 PM
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#6 |
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Alright Alright Alright
Join Date: Mar 2004
Location: Midland, Texas
Posts: 1,672
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Re: rearend fluid question
thanks for the info guys. ill get on it this weekend.
__________________
1972 Cheyenne Chevrolet red and white 357ci, Vortec heads, GM Performance high rise intake, Comp 268H .454/.454 218/218 110 LSA Quadrajet carb, Flowtech headers, 2.25 40 series HEI, Curve kit, TH 350, 3.07 gears 275/60/15s on 15x8 rallies |
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12-16-2006, 03:14 PM
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#7 |
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I am a Referee of life.
Join Date: Jun 2000
Location: Greensboro N.C.
Posts: 13,993
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Re: rearend fluid question
crm check to see if it is a limited slip.Someone (hopefully) will chime in and tell you how to tell.Some limited slip rears require a special additive to work.I don't know much about it but I remember seeing some info in a historic post.
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The 47-present Chevrolet and GMC Truck Message Board Network,it's owners,moderators,members,and associates of any type should not be held responsible for my opinion. You can't fix stupid,not even with duct tape. "My appearance is due to the fact that "GOD" does punish you for having too much fun!" Barrett-Jackson has perfected alchemy,they make rust into gold! "You can lead a horse to water but you can't saddle a duck" "Cleverly disguised as a 'Responsible Adult' "Sometimes your Knight in shining armor is just a retard in tinfoil" |
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12-16-2006, 03:32 PM
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#8 |
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Alright Alright Alright
Join Date: Mar 2004
Location: Midland, Texas
Posts: 1,672
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Re: rearend fluid question
its an open 3.07. (wish i had a posi though)
__________________
1972 Cheyenne Chevrolet red and white 357ci, Vortec heads, GM Performance high rise intake, Comp 268H .454/.454 218/218 110 LSA Quadrajet carb, Flowtech headers, 2.25 40 series HEI, Curve kit, TH 350, 3.07 gears 275/60/15s on 15x8 rallies |
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