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02-10-2004, 12:33 PM
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#1 |
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Registered User
Join Date: Jan 2002
Location: Houston, TX
Posts: 2,144
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posi
does a posi replace the carrier in the rear end or does it just attach to it.
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'51 F100, backhalf with a narrowed 9 and coil overs, 18.5" mickeys, monte front clip, +400" sbc in the works '05 1500 Crew Cab RIP '84 swb 5/7 drop, solid cammed 408 w/ fully ported dart heads, th350 w/ 10 inch hughes, 12 bolt w/ 3.73 richmonds and a locker '80 swb 4x4 in progress: 7" lift, 350 th350/np205, d44 and 1.5" ORD tie rod, 14BFF w/discs , armored diff covers, 40" MTR's |
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02-10-2004, 12:58 PM
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#2 |
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Registered User
Join Date: Feb 2004
Location: Hodgenville, Ky
Posts: 735
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Yes, a posi replaces the carrier. You're ring gear bolts to the posi unit just like it did to the carrier. All the other parts contained in the carrier are removed as well.
Mike |
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02-10-2004, 02:56 PM
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#3 |
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Registered User
Join Date: Jan 2002
Location: Houston, TX
Posts: 2,144
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so is there a 3 and 4 series posi? or just one posi and 3 and 4 series rings will both attach?
__________________
'51 F100, backhalf with a narrowed 9 and coil overs, 18.5" mickeys, monte front clip, +400" sbc in the works '05 1500 Crew Cab RIP '84 swb 5/7 drop, solid cammed 408 w/ fully ported dart heads, th350 w/ 10 inch hughes, 12 bolt w/ 3.73 richmonds and a locker '80 swb 4x4 in progress: 7" lift, 350 th350/np205, d44 and 1.5" ORD tie rod, 14BFF w/discs , armored diff covers, 40" MTR's |
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02-10-2004, 05:00 PM
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#4 |
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www.73-87chevytrucks.com
 
Join Date: Dec 1999
Location: Birmingham, AL
Posts: 6,935
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There are 3 and 4 series carriers regardless of type.
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Chris Lucas 1973 Chevy C-10 1978 GMC Jimmy (2WD) - SOLD 1987 R10 twin turbo LS 1991 R3500 SRW CrewCab 1985 K5 diesel swapped project 1989 K5 2WD conversion w/ Vette susp Project Captkaos Customs 73-87chevytrucks.com |
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02-10-2004, 07:05 PM
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#5 |
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Registered User
Join Date: Jan 2002
Location: Houston, TX
Posts: 2,144
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ok, last question. if i buy a 4 series posi and 4 series R&P that is all i need to change my 12 bolt to 4 series if it was originaly 3 series open 3.07, correct? like there aren't any other parts that are different that i must change?
__________________
'51 F100, backhalf with a narrowed 9 and coil overs, 18.5" mickeys, monte front clip, +400" sbc in the works '05 1500 Crew Cab RIP '84 swb 5/7 drop, solid cammed 408 w/ fully ported dart heads, th350 w/ 10 inch hughes, 12 bolt w/ 3.73 richmonds and a locker '80 swb 4x4 in progress: 7" lift, 350 th350/np205, d44 and 1.5" ORD tie rod, 14BFF w/discs , armored diff covers, 40" MTR's |
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02-10-2004, 07:28 PM
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#6 |
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www.73-87chevytrucks.com
Join Date: Dec 1999
Location: Birmingham, AL
Posts: 6,935
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 sure it is your last question..  Yes, when your order the gears and the differential (carrier) that will be all you need. They will(should) match your gears with the carrier. The differential (carrier) is different due to the size of the pinion getting smaller/larger base on the gear change. A 4.10:1 ratio has a MUCH smaller pinion gear diameter than a 3.07:1 ratio, so the carrier flange that the ring gear bolts to is posistioned closer to the centerline of the pinion to make up this difference.
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Chris Lucas 1973 Chevy C-10 1978 GMC Jimmy (2WD) - SOLD 1987 R10 twin turbo LS 1991 R3500 SRW CrewCab 1985 K5 diesel swapped project 1989 K5 2WD conversion w/ Vette susp Project Captkaos Customs 73-87chevytrucks.com |
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02-10-2004, 07:29 PM
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#7 |
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Registered User
Join Date: Jan 2002
Location: Houston, TX
Posts: 2,144
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__________________
'51 F100, backhalf with a narrowed 9 and coil overs, 18.5" mickeys, monte front clip, +400" sbc in the works '05 1500 Crew Cab RIP '84 swb 5/7 drop, solid cammed 408 w/ fully ported dart heads, th350 w/ 10 inch hughes, 12 bolt w/ 3.73 richmonds and a locker '80 swb 4x4 in progress: 7" lift, 350 th350/np205, d44 and 1.5" ORD tie rod, 14BFF w/discs , armored diff covers, 40" MTR's |
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