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06-11-2011, 09:05 AM
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#1 |
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Just like to part out trucks!!
Join Date: Nov 2001
Location: Meriden, Ks-North of Topeka 10 miles
Posts: 27,396
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will a posi out of a 67 1/2 ton fit in a 71-72 1/2 ton
Will he need the axles too, or any other problems he may have? Thanks for any help, Randy
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67 Chev swb stepside 4x4 283 4 speed SOLD 72 blazer 4x4 4 speed Cheyenne 72 GMC swb 4x4 fleet 4 speed, original paint 1958 Cameo (one of 1405 built, it was my dads) 2020 chevy Apex 4x4 crew cab 1969 Z28 with the 302 1980 chevy swb 4x4 1964 chevell Malibu SS 1976 K20, sold new originally out of my dads chevy dealership Members that I've met, over 200 probably closer to 300 in the 12 years I've been on this site, everyone I met "It was a pleasure" Last edited by teeitup; 06-11-2011 at 09:05 AM. |
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06-11-2011, 09:40 AM
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#2 | |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: will a posi out of a 67 1/2 ton fit in a 71-72 1/2 ton
The differential itself will swap as long as they are both of the same "series" There are different units for the variation of gear ratios.
The axles are a different story though. There is a length issue. The newer axles are longer than the early ones, so that's a no-go. This is not a simple bolt-in procedure though, you really need a pro to do this kind of installation. You can turn your parts into scrap quickly...
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Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right. 
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06-11-2011, 11:27 AM
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#3 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: will a posi out of a 67 1/2 ton fit in a 71-72 1/2 ton
i would not think it is worth the effort to swap in a 40 year old posi
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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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06-12-2011, 02:24 PM
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#4 |
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Restoration Virgin!
Join Date: Jan 2008
Location: Huntersville, NC
Posts: 8,298
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Re: will a posi out of a 67 1/2 ton fit in a 71-72 1/2 ton
Randy....as Longhair mentioned, my understanding is that the carrier will swap in, but they need to grab the pinion gear too (ring and pinion gear should stay together), obviously like cdowns says, someone should look both gears over really good too, and replace/ rebuild if possible
 might as well replace all bearings and seals while they are there too....
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Geoff with a G 1968 Chevy C10 SWB The Mistress 1972 Custom Deluxe C20 Suburban A Suburban Named Isabella 1966 Ford Mustang Mama's High School Graduation Present |
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06-13-2011, 12:56 PM
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#5 |
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Just like to part out trucks!!
Join Date: Nov 2001
Location: Meriden, Ks-North of Topeka 10 miles
Posts: 27,396
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Re: will a posi out of a 67 1/2 ton fit in a 71-72 1/2 ton
Thanks guys for info, ring gear and pinion is all with it. Randy
__________________
67 Chev swb stepside 4x4 283 4 speed SOLD 72 blazer 4x4 4 speed Cheyenne 72 GMC swb 4x4 fleet 4 speed, original paint 1958 Cameo (one of 1405 built, it was my dads) 2020 chevy Apex 4x4 crew cab 1969 Z28 with the 302 1980 chevy swb 4x4 1964 chevell Malibu SS 1976 K20, sold new originally out of my dads chevy dealership Members that I've met, over 200 probably closer to 300 in the 12 years I've been on this site, everyone I met "It was a pleasure" |
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06-26-2011, 11:39 PM
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#6 |
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Just like to part out trucks!!
Join Date: Nov 2001
Location: Meriden, Ks-North of Topeka 10 miles
Posts: 27,396
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Re: will a posi out of a 67 1/2 ton fit in a 71-72 1/2 ton
Here ya go Travis
__________________
67 Chev swb stepside 4x4 283 4 speed SOLD 72 blazer 4x4 4 speed Cheyenne 72 GMC swb 4x4 fleet 4 speed, original paint 1958 Cameo (one of 1405 built, it was my dads) 2020 chevy Apex 4x4 crew cab 1969 Z28 with the 302 1980 chevy swb 4x4 1964 chevell Malibu SS 1976 K20, sold new originally out of my dads chevy dealership Members that I've met, over 200 probably closer to 300 in the 12 years I've been on this site, everyone I met "It was a pleasure" |
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06-26-2011, 11:44 PM
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#7 |
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Account Suspended
Join Date: Nov 2007
Location: San Diego ca
Posts: 717
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Re: will a posi out of a 67 1/2 ton fit in a 71-72 1/2 ton
Thanks Randy thats what i needed.
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