1969 gmc 12 bolt rear end - The 1947 - Present Chevrolet & GMC Truck Message Board Network

lilred67 · 02-16-2009, 11:07 PM

WIW 1969 gmc 12 bolt,6 lug rear end, 3.73 open diff. set up for leaf springs......thanks rusty

CgSimms · 03-02-2009, 01:03 AM

Given the fact that its only a half ton. I would think it would sell for only $200-$300. Try cleaning it up on the outside with a good degreaser then throw on a good coat of gloss black Krylon. that should help you fetch a few extra bucks and it will definately sell faster.

jholley · 03-02-2009, 06:45 PM

Good luck with it. Most folks are looking for the 3.07 posi rears with 5 lug axles. I had an open 3.73 that I thought go quick at $100 but never even had a bite. Ended up junking it to get it out of the way.

ruffrida2005 · 03-03-2009, 05:12 AM

What's a open diff? sorry I dont know much about rearends. Also it's the same lenght of a 64 rearend correct? I'm interested. Mine has 4.10's. I cant spend no more then $100 on though.

jholley · 03-03-2009, 08:56 PM

An open diff is a non-posi, one wheel wonder.

CgSimms · 03-04-2009, 12:44 AM

Quote:

Originally Posted by jholley

An open diff is a non-posi, one wheel wonder.

haha "one wheel wonder"? I like that explanation.

ruffrida2005 · 03-04-2009, 07:02 AM

thanks for the info guys, i think I'm gonna go with a 3.42 since I have a turbo 350. and gonna run a 27"-29" tall tire.

CgSimms · 03-04-2009, 07:43 PM

Quote:

Originally Posted by ruffrida2005

thanks for the info guys, i think I'm gonna go with a 3.42 since I have a turbo 350. and gonna run a 27"-29" tall tire.

Check out this link to see what speeds you'll be running at what ratio withi certain tire sizes.

http://www.markwilliams.com/calculators.aspx

02-16-2009, 11:07 PM	#1
lilred67 Senior Member Join Date: Mar 2005 Location: weatherford,texas Posts: 1,003	1969 gmc 12 bolt rear end WIW 1969 gmc 12 bolt,6 lug rear end, 3.73 open diff. set up for leaf springs......thanks rusty

03-02-2009, 01:03 AM	#2
CgSimms Registered User Join Date: Jul 2008 Location: Phoenix AZ Posts: 22	Re: 1969 gmc 12 bolt rear end Given the fact that its only a half ton. I would think it would sell for only $200-$300. Try cleaning it up on the outside with a good degreaser then throw on a good coat of gloss black Krylon. that should help you fetch a few extra bucks and it will definately sell faster. __________________ "TURNIN WRENCHES FOR FREEDOM" SSGT USAF 72 GMC Short Bed EFI Vortec 383 Stroker

03-02-2009, 06:45 PM	#3
jholley Registered User Join Date: Jul 2008 Location: TX Posts: 737	Re: 1969 gmc 12 bolt rear end Good luck with it. Most folks are looking for the 3.07 posi rears with 5 lug axles. I had an open 3.73 that I thought go quick at $100 but never even had a bite. Ended up junking it to get it out of the way. __________________ ------------------------------------------------- Jim Garage fillers... 85 Chevy C10 Silverado LWB 07 Nissan Altima 2006 Mini Cooper S Last edited by jholley; 03-02-2009 at 06:45 PM.

03-03-2009, 05:12 AM	#4
ruffrida2005 Member of the longbed union. Join Date: Feb 2009 Location: Killeen, Tx Posts: 2,158	Re: 1969 gmc 12 bolt rear end What's a open diff? sorry I dont know much about rearends. Also it's the same lenght of a 64 rearend correct? I'm interested. Mine has 4.10's. I cant spend no more then $100 on though. __________________ Paul 88 GMC Crew Cab dually, 454/T400 64 LWB 400 HP 350/350T Bagged, under construction! Sold most of it! 92 S10 Iron Duke 5 speed, 5/7 drop for now. soon to be bagged. Sold http://67-72chevytrucks.com/vboard/s...59#post4637759

03-03-2009, 08:56 PM	#5
jholley Registered User Join Date: Jul 2008 Location: TX Posts: 737	Re: 1969 gmc 12 bolt rear end An open diff is a non-posi, one wheel wonder. __________________ ------------------------------------------------- Jim Garage fillers... 85 Chevy C10 Silverado LWB 07 Nissan Altima 2006 Mini Cooper S

03-04-2009, 07:02 AM	#7
ruffrida2005 Member of the longbed union. Join Date: Feb 2009 Location: Killeen, Tx Posts: 2,158	Re: 1969 gmc 12 bolt rear end thanks for the info guys, i think I'm gonna go with a 3.42 since I have a turbo 350. and gonna run a 27"-29" tall tire. __________________ Paul 88 GMC Crew Cab dually, 454/T400 64 LWB 400 HP 350/350T Bagged, under construction! Sold most of it! 92 S10 Iron Duke 5 speed, 5/7 drop for now. soon to be bagged. Sold http://67-72chevytrucks.com/vboard/s...59#post4637759

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