rear end swap options - The 1947 - Present Chevrolet & GMC Truck Message Board Network

tommie · 11-01-2005, 01:46 AM

what rear ends will swap out into my 70' 1/2 ton?

i wanted to go to the junk yard and but another rear end, with some 3.08's or something. i have the wide (71-72) housing, so if there are any rear ends with 5 lug axles and backing plates i could use that would be a plus, just looking for a 12 that i can take the guts out of and put in my housing, what 12 bolt rear ends can i use? or does any one have a rear end with some 3.08's for sale?

thanks
tommie

jsbgump · 11-01-2005, 02:08 AM

I have a 71-72 5 lug rear end with 3.08's in it that worked fine under my truck before I put the 3.73 posi in it. Id take 300 for it.

73737373 · 11-01-2005, 02:25 AM

Wouldn't it be easier to just buy a new ring and pinion than completley swap out rear ends? I'm asking because I don't know, but I do know it's a pretty significant job to replace the entire rear...axle and everything.

dwaite72lnghrn · 11-01-2005, 07:28 AM

The cost of the new ring and pinion along with having it setup if your not familiar will cost more than a junkyard. Down side of junkyard is not sure what you are getting and you should put new bearings and seals in it before you use it. A complete rear end swap is an easy weekend job.
A ring and pinion is a weekend job also if you know what you are doing.

11-01-2005, 01:46 AM	#1
tommie 97' Tahoe 2dr/2wd Join Date: Jul 2002 Location: Huffman,TX Posts: 1,168	rear end swap options what rear ends will swap out into my 70' 1/2 ton? i wanted to go to the junk yard and but another rear end, with some 3.08's or something. i have the wide (71-72) housing, so if there are any rear ends with 5 lug axles and backing plates i could use that would be a plus, just looking for a 12 that i can take the guts out of and put in my housing, what 12 bolt rear ends can i use? or does any one have a rear end with some 3.08's for sale? thanks tommie

11-01-2005, 02:08 AM	#2
jsbgump Gone Fishing Join Date: Aug 2005 Location: Fort Worth, Texas 76135 Posts: 12,361	Re: rear end swap options I have a 71-72 5 lug rear end with 3.08's in it that worked fine under my truck before I put the 3.73 posi in it. Id take 300 for it. __________________ 68 Chevy Short Fleetside LSX Swap Under Way 3.73 posi 2.5/4 drop Frame of resto has been started 2022 Hyundai Tucson Limited 2019 Chevy Traverse Redline Edition Wifes Ride Build Thread http://67-72chevytrucks.com/vboard/s...=1#post3483616

11-01-2005, 02:25 AM	#3
73737373 Registered User Join Date: Sep 2005 Location: Oklahoma USA Posts: 1,000	Re: rear end swap options Wouldn't it be easier to just buy a new ring and pinion than completley swap out rear ends? I'm asking because I don't know, but I do know it's a pretty significant job to replace the entire rear...axle and everything. __________________ 1968 Custom SWB, 327/3 speed OTC 1969 CST LWB, 402/400 1970 CST LWB, 402/400 1970 Sierra Grande LWB, 350/350 1971 Cheyenne LWB, 350/350 1972 Cheyenne Super LWB, 402/400 1972 Sierra Grande LWB, 402/400 1979 Silverado LWB, 350/350 1984 Suburban 1990 454 SS 1991 Silverado, X-cab, 4.3/5 speed Getrag 2005 Silverado Crew Cab Corvettes: 75, 77, 78, 93, 96

11-01-2005, 07:28 AM	#4
dwaite72lnghrn Registered User Join Date: Jun 2002 Location: central pa Posts: 1,525	Re: rear end swap options The cost of the new ring and pinion along with having it setup if your not familiar will cost more than a junkyard. Down side of junkyard is not sure what you are getting and you should put new bearings and seals in it before you use it. A complete rear end swap is an easy weekend job. A ring and pinion is a weekend job also if you know what you are doing. __________________ 72 longhorn c30 502BB/th400/fact air/4.11rear/ custom camper 72 bug(the better half's) under reconstruction 2009 HHR aqua blue 71 GMC k20 350/sm465 2009 Chevy hd3500 6.6 Victory Red crew cab dually Dave & Jeanne



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