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07-06-2002, 11:45 AM
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#1 |
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Registered User
Join Date: Jun 2000
Location: Springvale,Maine
Posts: 201
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is this diff. posi???
how do i tell,glove box says so,vin matches glove box.diff cover bolts were hard to come off,like they were never off in 30 years
is'nt both tires suppose to spin at the same time when jacked in the air?? this one spins 1 wheel at a time.
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Springvale,Maine 71 3/4 GMC lwb |
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07-06-2002, 11:58 AM
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#2 |
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Registered User
Join Date: Nov 2000
Location: Victoria, Texas
Posts: 71
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That is an open differential. A previous owner could have swapped out the entire rearend assembly. Sorry.
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07-06-2002, 12:00 PM
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#3 | |
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Bloo
Join Date: Feb 2001
Location: Barren County Kentucky
Posts: 6,283
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if im nto mistaken, one wheel at a time means worn out posi.. posi both wheels should turn the same direction, and non they should spin opposite directions with the rear jacked up. i dont know what posis look like though so i dont know by the pic
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ASE Master Certified-GM Trained-Mechanic 1968 Chevy C30 157" WB Wrecker 1969 Chevy CST/10 SWB 1971 Chevy Custom/10 (first truck) 350, NV3500 5 speed 1971 Chevy K20 Custom Camper 4x4 350 TBI, SM465/NP205 1974 Chevy Custom Deluxe/10 1979 Chevy Custom Deluxe K10 farm truck beater 1989 Chevy K2500 Quote:
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07-06-2002, 01:21 PM
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#4 |
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Registered User
Join Date: Jun 2000
Location: Springvale,Maine
Posts: 201
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i thought maybe someone swapped rears!!! Dam
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Springvale,Maine 71 3/4 GMC lwb Last edited by mikegi; 07-06-2002 at 01:24 PM. |
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07-06-2002, 02:29 PM
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#5 |
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Registered User
Join Date: Feb 2001
Location: Ohio
Posts: 1,025
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looks like an open to me
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07-06-2002, 02:45 PM
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#6 |
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Account Suspended
Join Date: May 2000
Location: IL
Posts: 0
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the ultimate way to test for limited slip or locker unit short of burning rubber on gravel or pavement is to have someone hold a wheel in place and you turn the pinion yoke clockwise and if the assistant cant keep the wheel from turning then its a limited slip/locker, these units provide power to the wheel WITH most traction and not the least like in open diffs,
also with both wheels hanging, BOTH wheels will spin same directiona nd same speed if you turn the yoke, if you have limited or locker the pic above that you provide depicts a std open diff, not the lack of springs and clutch plate tabs on RH side in the unti good luck |
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07-07-2002, 12:44 AM
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#7 |
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Join Date: Dec 1999
Location: Eastern - Manitoba Canada, Winnipeg
Posts: 4,369
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Factory Posi looks like this type.
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Senior active founding member. 70 3/4 ton GMC Suburban 4x4 250/4 spd. 71 1/2 ton Suburban Chevy 4x4, 350/350 72 Chev 1 ton tow truck 402BB w/Holmes 440 wrecker on propane 2005 FLSTSCI Harley Springer 85 FXSB Harley Lowrider 72 Triumph 650 Bonneville 5spd "Poor people don't have hobbies" Quote from wife. |
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07-07-2002, 07:12 AM
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#8 |
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Registered User
Join Date: Jun 2000
Location: Springvale,Maine
Posts: 201
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thanks rod.pics help alot
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Springvale,Maine 71 3/4 GMC lwb |
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